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Videos uploaded by user “Connor McDonald”
Hints and Tips - A silent movie on joins
 
02:31
The vision says it all ... a basic primer on how joins are performed in Oracle, using the metaphor of playing cards. Enjoy... ========================================­============== Copyright © 2015 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 1799 Connor McDonald
Hints and Tips - DML error logging - make your SQL loads more productive
 
06:15
There is nothing worse than spending hours trying to load data into a table, only to have that load fail and you end up with nothing to show for your efforts. DML error logging will solve that problem for you. This quick tip shows you how easy it is ====================================================== Copyright © 2015 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 2189 Connor McDonald
Hints and Tips - Using NULLIF in SQL
 
01:58
An easy method to avoid divide by zero by using NULLIF ========================================­­­­­============== Copyright © 2015 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 2260 Connor McDonald
Hints and Tips - Saving your career
 
04:08
One simple setting could cost you a career. See what can happen in this video, and how to avod it. ========================================­­============== Copyright © 2015 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 1843 Connor McDonald
Why I Joined the Oracle Developer Advocates team
 
02:46
I've been working with Oracle technology for nearly 20 years now. So what makes an IT professional after all that time, join the company itself. ====================================================== Copyright © 2015 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 4411 Connor McDonald
KISS series on Analytics: 03 Mind the gap
 
03:09
Welcome to the KISS video series. Solving problems that typically required complicated SQL in the past, that can now be easily solved with Analytic SQL syntax. In this session, we look at using our ranking functions to solve problems with gaps in data The sample problem we'll solve is: Discover contiguous ranges of data using analytic functions. Scripts: https://livesql.oracle.com/apex/livesql/s/cljrgh80cczwjtptlpk2e5081 Watch the entire Analytics playlist at https://www.youtube.com/playlist?list=PLJMaoEWvHwFJDyhMLCkNSSUQWw9waFkIj ========================================­­============== Copyright © 2015 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 2037 Connor McDonald
My laptop can't fly.... but 18cXE does!
 
03:24
Out with the old laptop, and in with a new desktop machine at home. There's no better time to test out the upcoming 18c XE database release with Application Express! blog: https://connor-mcdonald.com twitter: https://twitter.com/connor_mc_d Download 18c database: https://www.oracle.com/technetwork/database/enterprise-edition/downloads/index.html Download Application Express: https://www.oracle.com/technetwork/developer-tools/apex/downloads/index.html Subscribe for new tech videos every week https://www.youtube.com/c/connormcdonaldoracle?sub_confirmation=1 =========== Safe Harbor Statement The following is intended to outline our general product direction. It is intended for information purposes only, and may not be incorporated into any contract. It is not a commitment to deliver any material, code, or functionality, and should not be relied upon in making purchasing decisions. The development, release, and timing of any features or functionality described for Oracle’s timing of any features or functionality described for Oracle’s products remains at the sole discretion of Oracle
Views: 1972 Connor McDonald
Analytics: 01 Ranking rows
 
03:54
blog: https://connor-mcdonald.com Welcome to the KISS video series. Solving problems that typically required complicated SQL in the past, that can now be easily solved with Analytic SQL syntax. In this session, we look at how to assign a rank value to rows The sample problem we'll solve is: Show me the sequence in which everyone joined our company using RANK() Scripts: https://livesql.oracle.com/apex/livesql/s/ch1tefsz0mc75pk4ix2jbfja7
Views: 1780 Connor McDonald
AskTOM TV - SQL Plan Directives from DBMS_XPLAN
 
06:15
A video to help you understand the "thought process" behind answering AskTom questions. In this episode, we look at how to identify which SQL Plan Directivees are being used for a given query blog: https://connor-mcdonald.com ========================================­­­­============== Copyright © 2017 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 930 Connor McDonald
Where is my tracefile
 
04:32
SQL trace is an awesome performance tuning resource. But before you can do that analysis, you need to know WHERE your trace file is. ========================================­============== Copyright © 2015 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 2746 Connor McDonald
How can I speed up a query if an index cannot help?
 
08:20
blog: connor-mcdonald.com Highlights from the April DBA Office Hours session. Office Hours is 100% free Q&A sessions held every month by Oracle experts to help you succeed with the Oracle suite of technologies. Music: Smells Like Summer - Del (Vlog Music No Copyrighted) Video Link: https://youtu.be/IrkMsqcOjGU
Views: 1195 Connor McDonald
KISS series on Analytics: 04 More ranking options
 
04:20
Welcome to the KISS video series. Solving problems that typically required complicated SQL in the past, that can now be easily solved with Analytic SQL syntax. In this session, we look at more esoteric ranking functions with a more statistical background The sample problem we'll solve is: Show me distributions of Hollywood movie box office sales using PERCENT_RANK, CUME_DIST and NTILE (quartile, decile, tertile, etc) Scripts: https://livesql.oracle.com/apex/livesql/s/clq6jmj1jzju4k23v3tnbzo8u Watch the entire Analytics playlist at https://www.youtube.com/playlist?list=PLJMaoEWvHwFJDyhMLCkNSSUQWw9waFkIj ========================================­­============== Copyright © 2015 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 1693 Connor McDonald
AskTOM TV - Direct path read
 
04:59
A video to help you understand the "thought process" behind answering AskTom questions. In this episode, we look at direct path reads and how they interact with objects that may already have changed buffers in the buffer cache blog: https://connor-mcdonald.com
Views: 536 Connor McDonald
KISS series on Analytics: 06 Predicates
 
03:53
Welcome to the KISS video series. Solving problems that typically required complicated SQL in the past, that can now be easily solved with Analytic SQL syntax. In this session, we look at using the results of an analytic as a predicate to a query The sample problem we'll solve is: How to get TOP-N style results by using analytic function results as a predicate Scripts: https://livesql.oracle.com/apex/livesql/s/cokv9220ffzt8iqs7udqsv5vm Watch the entire Analytics playlist at https://www.youtube.com/playlist?list=PLJMaoEWvHwFJDyhMLCkNSSUQWw9waFkIj ========================================­­============== Copyright © 2015 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 1232 Connor McDonald
ROWNUM - so simple yet so much confusion!
 
05:05
ROWNUM just assigns a counter to the rows in your query result. So why did so many people get our simple quiz on rownum wrong ? blog: https://connor-mcdonald.com twitter: https://twitter.com/connor_mc_d Subscribe as new tech videos come every week!
Views: 590 Connor McDonald
KISS series on Analytics: 02 Options for ranking
 
04:44
Welcome to the KISS video series. Solving problems that typically required complicated SQL in the past, that can now be easily solved with Analytic SQL syntax. In this session, we look at additional ranking functions The sample problem we'll solve is: How do handle ties when ranking values with analytics using DENSE_RANK and ROW_NUMBER Scripts here: https://livesql.oracle.com/apex/livesql/s/clebs8f5n4kr2b3vjvnvvgxkn Watch the entire Analytics playlist at https://www.youtube.com/playlist?list=PLJMaoEWvHwFJDyhMLCkNSSUQWw9waFkIj ========================================­­============== Copyright © 2015 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 2421 Connor McDonald
18c XE will blow your mind
 
03:38
Highlights from the June DBA Office Hours session. blog: https://connor-mcdonald.com - Subscribe as new tech videos come every week!
Views: 2540 Connor McDonald
Hints and Tips - Queries running whilst exchanging partitions - part 1
 
01:44
Even when you rip out a partition from a table, queries can still execute successfully. ========================================­­­­============== Copyright © 2015 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 885 Connor McDonald
Oracle 12c Release 2 - How to do transparent data encryption ONLINE
 
01:32
Your data should be encrypted to keep it secure...Now you can do the encryption process without taking your applications away from your users. ========================================­­­­============== Copyright © 2017 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 1127 Connor McDonald
Hints and Tips - Self documenting SQL
 
06:02
Good quality code stands alone, in that its purpose and function can be gleaned from the code itself without supporting documentation. This is not to say supporting commentary is not useful - its more a reflection on the quality that we aspire to get from the code itself. But can we apply that same principle to the SQL we write ? Yes, we can. ====================================================== Copyright © 2015 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 2962 Connor McDonald
Online EVERYTHING in 12c Release 2 and 18c
 
04:29
If you're a DBA, you'll love that you can do just so much stuff in the database in 12c Release 2 and above that does NOT need an outage. blog: https://connor-mcdonald.com twitter: https://twitter.com/connor_mc_d Subscribe as new tech videos come every week!
Views: 682 Connor McDonald
Oracle 12c Release 2 - A new feedback option in SQL Plus
 
02:23
blog: https://connor-mcdonald.com Want to run your query, but not have the resultant rows come back to your terminal, and slow you down ? Easy in 12.2 with a new setting in SQL Plus ========================================­­­­============== Copyright © 2017 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 482 Connor McDonald
AskTOM TV - The TOP-FREQUENCY histogram in 12c
 
10:01
blog: https://connor-mcdonald.com A video to help you understand the "thought process" behind answering AskTom questions. In this episode, how does the optimizer deal with the 12c in-database archiving feature ========================================­­­­============== Copyright © 2017 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 687 Connor McDonald
AskTOM TV - not null... I mean *really* not null
 
04:09
A short video to help you understand the "thought process" behind answering AskTom questions. blog: https://connor-mcdonald.com ========================================­­­­============== Copyright © 2017 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 709 Connor McDonald
Quick Tip - Better Truncate in 12c
 
03:41
blog: https://connor-mcdonald.com Many of the limitations of TRUNCATE command are lifted in Oracle Database 12c ========================================­­­­============== Copyright © 2017 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 743 Connor McDonald
KISS series on Analytics: 14 NTH_VALUE in windows
 
04:36
Welcome to the KISS video series. Solving problems that typically required complicated SQL in the past, that can now be easily solved with Analytic SQL syntax. In this session, we look at how the nth_value function can be used to explore different boundary values within a window The sample problem we'll solve is: Compare current data with the 2nd lowest and 2nd highest values within our window. Scripts: https://livesql.oracle.com/apex/livesql/file/content_CVLPCO2ZHLLF15JGHXMCJ0FIL.html Watch the entire Analytics playlist at https://www.youtube.com/playlist?list=PLJMaoEWvHwFJDyhMLCkNSSUQWw9waFkIj ========================================­­============== Copyright © 2015 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 854 Connor McDonald
Create your 18c database with a few clicks!
 
02:22
Oracle 18c Database is downloadable for everyone, and you can get your first database up and running with just a few clicks (and perhaps a cup of coffee!) blog: https://connor-mcdonald.com twitter: https://twitter.com/connor_mc_d Subscribe for new tech videos every week music: incomptech.com
Views: 1694 Connor McDonald
Hints and Tips - SQL*Plus tricks
 
06:07
It's been around forever... but that does not make it obsolete. Here's how you can get the most out of SQL*Plus ========================================­­============== Copyright © 2015 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 3224 Connor McDonald
Getting to the core of things... or is it socket? or cpu?
 
02:36
blog: https://connor-mcdonald.com A TL;DR version of the discussion on cores, CPUs and sockets from the recent AskTOM Office Hours session. Subscribe for regular videos on Oracle technology! music: bensound.com
Views: 359 Connor McDonald
KISS series on Analytics: 22 Converting string lists into rows
 
03:50
Welcome to the KISS video series. Solving problems that typically required complicated SQL in the past, that can now be easily solved with Analytic SQL syntax. In this session, we use analytics to convert a delimited string into a list of rows https://livesql.oracle.com/apex/livesql/file/content_C40G9LF09VJ8W43VGG7ZXDAMO.html Watch the entire Analytics playlist at https://www.youtube.com/playlist?list=PLJMaoEWvHwFJDyhMLCkNSSUQWw9waFkIj ========================================­­­­============== Copyright © 2015 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 702 Connor McDonald
AskTOM TV - How statistics and in-database archiving (row archival) co-exist
 
07:17
blog: https://connor-mcdonald.com A video to help you understand the "thought process" behind answering AskTom questions. In this episode, how does the optimizer deal with the 12c in-database archiving feature ========================================­­­­============== Copyright © 2017 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 519 Connor McDonald
18c Merge Partitions Online
 
06:24
blog: https://connor-mcdonald.com Having trouble merging ? 18c has got you covered.
Views: 381 Connor McDonald
AskTOM TV - SQL trace, SQL plus, SQL developer
 
05:12
A video to help you understand the "thought process" behind answering AskTom questions. In this episode, we look at how we can use SQL trace to diagnose what autotrace privileges we need in SQL Developer blog: https://connor-mcdonald.com ========================================­­­­============== Copyright © 2017 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 1099 Connor McDonald
KISS series on Partitioning: 02 Partitioning for Performance
 
03:27
Welcome to the KISS video series on Partitioning, where we take a more developer-centric look at how partitioning can make our applications more successful. In this session, we take a first look at why partitioning can be a great help for faster queries blog: https://connor-mcdonald.com ========================================­­============== Copyright © 2017 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 852 Connor McDonald
AskTOM Office Hours - partitioning for database administrators
 
53:44
blog: https://connor-mcdonald.com AskTOM Office Hours DBA free webinar
Views: 670 Connor McDonald
Hints and Tips - Synthesizing rows inside Oracle
 
06:55
You've already got a gazillion rows inside your Oracle Database table. So why would you want to generate even more rows ? Well, it’s a common need as you'll see in this quick tip, which more to the point shows you how to do it easily and efficiently with SQL ====================================================== Copyright © 2015 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 1885 Connor McDonald
KISS series on Analytics: 25 The KEEP clause
 
04:05
Welcome to the KISS video series. Solving problems that typically required complicated SQL in the past, that can now be easily solved with Analytic SQL syntax. In this session, we look at the new KEEP clause to collect extra column when performing aggregates, to avoid the need to do another join back to the source table. Script: https://livesql.oracle.com/apex/livesql/file/content_C85WW581KIH95H1QKH08H8H5G.html Watch the entire Analytics playlist at https://www.youtube.com/playlist?list=PLJMaoEWvHwFJDyhMLCkNSSUQWw9waFkIj ========================================­­­­============== Copyright © 2015 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 818 Connor McDonald
AskTOM TV - Partial indexing
 
03:44
A video to help you understand the "thought process" behind answering AskTom questions. In this episode, we look at enforcing uniqueness in a table, but only for a subset of the rows blog: https://connor-mcdonald.com
Views: 395 Connor McDonald
ONLINE table maintenance WITHOUT upgrading to 12c Release 2
 
03:33
Online table maintenance is trivial in the current versions. But what about those of us that are still stuck on the older versions? Can I avoid lengthy downtime when changing table structures ? blog: https://connor-mcdonald.com twitter: https://twitter.com/connor_mc_d Subscribe as new tech videos come every week!
Views: 380 Connor McDonald
Damn! The Optimizer Beat Me Again!
 
07:29
It's amazing how smart the optimizer can be when it comes to working out the best way to run a SQL statement. Especially when you give the database the correct information! blog: https://connor-mcdonald.com twitter: https://twitter.com/connor_mc_d Subscribe for new tech videos every week
Views: 328 Connor McDonald
SQL Plus 18c rocks!
 
01:45
It's only March, but Christmas just came (very) early for SQL Plus users blog: https://connor-mcdonald.com music: Kevin McLeod, incomptech.com New features for SQL Plus 18c here: https://docs.oracle.com/en/database/oracle/oracle-database/18/sqprn/index.html#SQPRN-GUID-B336CE0F-EC31-4993-A34C-733E335046BC
Views: 786 Connor McDonald
KISS series on Analytics: 09 Execution costs
 
03:31
Welcome to the KISS video series. Solving problems that typically required complicated SQL in the past, that can now be easily solved with Analytic SQL syntax. A slight departure from our examples so far to talk about what to expect from the execution plan when using analytics Watch the entire Analytics playlist at https://www.youtube.com/playlist?list=PLJMaoEWvHwFJDyhMLCkNSSUQWw9waFkIj ========================================­­­============== Copyright © 2015 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 921 Connor McDonald
KISS series on Analytics: 12 The RANGE option in WINDOWS
 
04:40
Welcome to the KISS video series. Solving problems that typically required complicated SQL in the past, that can now be easily solved with Analytic SQL syntax. In this session, use the RANGE option within the WINDOW clause to perform a moving average Scripts: https://livesql.oracle.com/apex/livesql/file/content_CR93UBGK2U7OAW6K1EHTBBYHD.html Watch the entire Analytics playlist at https://www.youtube.com/playlist?list=PLJMaoEWvHwFJDyhMLCkNSSUQWw9waFkIj ========================================­­­­============== Copyright © 2015 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 992 Connor McDonald
Chained rows? Migrated rows?
 
10:37
Understanding the basics of what happens when rows are just too damn big. blog: https://connor-mcdonald.com Highlights from the June DBA Office Hours session. Subscribe as new tech videos come every week!
Views: 599 Connor McDonald
When MERGE gets MUNTED
 
11:13
MERGE is a great SQL command to capture both update and inserts in a single command. But how to diagnose and solve the problem when MERGE crashes with "ORA-30926: unable to get a stable set of rows in the source tables" And what the hell is a "stable set of rows" anyway ? blog: https://connor-mcdonald.com twitter: https://twitter.com/connor_mc_d Subscribe for new tech videos every week
Views: 402 Connor McDonald
KISS series on Analytics: 05 Dealing with null
 
04:14
Welcome to the KISS video series. Solving problems that typically required complicated SQL in the past, that can now be easily solved with Analytic SQL syntax. In this session, we look at using our ranking functions when nulls are present. Scripts: https://livesql.oracle.com/apex/livesql/s/cokpdete3hiy3jo0yzoa4eerz Watch the entire Analytics playlist at https://www.youtube.com/playlist?list=PLJMaoEWvHwFJDyhMLCkNSSUQWw9waFkIj ========================================­­============== Copyright © 2015 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 1361 Connor McDonald
How to detect data changes and notify applications of those changes
 
09:39
blog: connor-mcdonald.com Highlights from the April DBA Office Hours session. Office Hours is 100% free Q&A sessions held every month by Oracle experts to help you succeed with the Oracle suite of technologies. Music: Smells Like Summer - Del (Vlog Music No Copyrighted) Video Link: https://youtu.be/IrkMsqcOjGU
Views: 702 Connor McDonald
KISS series on Analytics: 10 Window clause
 
05:09
Welcome to the KISS video series. Solving problems that typically required complicated SQL in the past, that can now be easily solved with Analytic SQL syntax. In this session, we take our first look at the final clause in our analytic syntax - the WINDOW clause The sample problem we'll solve is: How analytic aggregation returns two types of aggregates - either reporting or windowing aggregates. Scripts: https://livesql.oracle.com/apex/livesql/file/content_CQXSUXL3JBUOBC82NO9SKKGLE.html Watch the entire Analytics playlist at https://www.youtube.com/playlist?list=PLJMaoEWvHwFJDyhMLCkNSSUQWw9waFkIj ========================================­­­­============== Copyright © 2015 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 1367 Connor McDonald
KISS series on Analytics: 30 wrap up
 
03:49
Welcome to the KISS video series. Solving problems that typically required complicated SQL in the past, that can now be easily solved with Analytic SQL syntax. We are now looking at functions that are not specifically analytics, but they are present in the Data Warehousing Guide in the SQL for Analysis chapter. Watch the entire Analytics playlist at https://www.youtube.com/playlist?list=PLJMaoEWvHwFJDyhMLCkNSSUQWw9waFkIj ========================================­­­­============== Copyright © 2016 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 358 Connor McDonald
Got a browser ? Then you've got Oracle Application Express!
 
02:52
Blog - https://connor-mcdonald.com/ AskTOM - https://asktom.oracle.com/ New to Oracle ? You can get started with just a browser !
Views: 339 Connor McDonald

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