by Ember Crooks | Apr 11, 2023 | DB2, Db2vsMySQL, Featured, mysql
I’m going to walk through the basic creation of auto-incrementing integer columns in MySQL and Db2 and point out some differences and similarities. Functionality Every relational database I have worked with has had a functionality for generating column values....
by Ember Crooks | Feb 28, 2023 | DB2, Featured, mysql, RDBMS, rdbms concepts
When I started working as a DBA in 2001, the relational database management system choices were more limited and the choice itself was often left up to a system architect. Rarely did developers have a say, and even DBAs only had a say in whether they could support it...
by Ember Crooks | Jan 31, 2023 | Featured, mysql, sql
This is one area that was not a surprise to me coming from Db2 to MySQL, as I’ve had to deal with people confused in the other direction for years. Essentially, MySQL allows a syntax for GROUP BY that Db2 and most RDBMSes do not allow.… Read the rest
by Ember Crooks | Jan 26, 2023 | Featured, mysql, sql
Working in technology, I’ve heard a number of things about ChatGPT from various news sources. I was particularly interested hearing some teachers saying it was the end of being able to properly detect students cheating when writing papers. Then I heard a teacher...
by Ember Crooks | Dec 6, 2022 | DB2, Db2vsMySQL, Featured, mysql, sql
Every RDBMS has areas where the differences from other RDBMSes are noticeable, and this is one of them between Db2 and MySQL. Most RDBMSes have quirks to the way SQL is written, and this is certainly true of Db2 where some things were there before the SQL-92 standard...
by Ember Crooks | Nov 8, 2022 | DB2, Db2vsMySQL, Explains, Featured, mysql, sql
The goal of this article is to to take one query and use the explain facilities of Db2 to walk through it, and then do the same with MySQL, and then show some of the optimizations I might make for the query and why.… Read the rest
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