In DB2 database there are many ways to achieve performance. I explained one way here. Read more.
Table spaces are completely logical in any database. Many developers confused that they always access data from physical storage. But actually that is not correct. So this post clarifies how to define a table with logical storage. Sample SQL really helps you to understand quickly.
DBA primary role is access- control. DB2 has many in-built security features and authority controls. These questions really good to know by DBA.
REORG is a useful utility in DB2. While Loading or Unloading, you get different errors. Run this utility to resolve your errors.
Avoid multiple UNION when you want to write better SQL query. Always better to USE case statement this improves performance. Read more.
In DB2 giving TIMESTAMP is very common and it is so important data type. I have given some popular points on it.