Is ibm db2 open source?
I understand Join always perform better than subqueries. Then what is the advantage/use of Subqueries/correlated subqueries etc.,in DB2 programming.Please explain.
What is the maximum number of columns in a db2 table?
What is access path in db2?
What is the significance of the CURSOR WITH HOLD clause in a cursor declaration?
What is package in db2 mainframe?
Plan is an executable form of sql statements,But what exactly resides inside a Plan. what are the details inside Plan.
define clustering index.
what are extents?
How can you find out which query is taking lot of time to execute in cobol-db2 program ?
What is the STOSPACE Utility used for?
Is it possible to alter a table – for example adding a column, when another user is accessing or updating some columns?
How to create backup table in db2?