Fetch first 1 Row only real usage in DB2

In DB2 database there are many ways to achieve performance. I explained one way here. Read more.

Table Space

DB2 logical storage theory to define when creating table

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.