Technical Content

When coding SQL joins, is there any difference in where you code your filtering predicates?  We know that when you code SQL using the ANSI-92...

This term relates to any SELECT that returns a single value (one column, one row).  It can be used as an expression in the SELECT, WHERE, or HAVING...

As a follow up to our previous article on IDAA we also wanted to bring attention to several years worth of content on IDAA that might still be...

Why is it sometimes we see SQL queries that list a table more than once in the same query? There are a number of reasons where this self-joining is...

Db2 for z/OS Data Gate (Db2 Data Gate) provides synchronized Db2 data to cloud-based applications reducing read-only operational processing and the...

You might be struggling with this question – When is the right time to push my organization to take the red pill to have the new Pacemaker...

A temporary table (in most RDMS) is a place to keep data for the duration of some application process. The data is basically private and only...

How to use “package” access path information to solve a real-life application issue! Get access path from the “package”!

Db2 Z V12 introduced interesting new functionality to the “RECOVERY” utility. This new functionality is called ‘redirected recovery’ and it has...

Db2 Z V12 introduced interesting new functionality to the “RECOVERY” utility. This new functionality is called ‘redirected recovery’ and it has...

Db2 Z V12 introduced interesting new functionality to the “RECOVERY” utility. This new functionality is called ‘redirected recovery’ and it has...

Next Generation INsertion (NGIN) was designed to enhance insertion performance and reduce log space usage. The NGIN enhancements mainly covered...