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.
Giving alias name is not only enough and you also need to know these three rules before you write your SQL query
DB2 host variables are really need to get data from database to application program. Read these key points.
Touch base the given DB2 key sections before going for any interview. I am confidently saying you will get sure success.
In DB2 database there are many ways to achieve performance. I explained one way here. Read more.