Derived Table in DB2 is a solution to avoid complex SQL query. After deriving you use that table whenever you need in that main SQL query.
Data access is much faster in Hashing compared to the index. Read the differences between Hashing and Index.
Performance tuning in DB2 is in the hands of developers. These tips really you need to improve it.
You connect DB2 toPHP engine by just following the given sample logic. Read more.
In DB2, IBM provides few privileges. The privilege is a part of some group. Read more.
Really useful UDF example you can use it for your DB2 project. Added interview questions.
Ideas for DB2 developers which JOIN is better LEFT or RIGHT. Read now.
DB2 host variables are really need to get data from database to application program. Read these key points.