My SQL is not performing well. Describe how will you fine
tune it?



My SQL is not performing well. Describe how will you fine tune it?..

Answer / akbar

Use EXPLAIN to list out the access paths of several
different codes you come up with and choose the path that
got executed within the least time.

Is This Answer Correct ?    4 Yes 0 No

Post New Answer

More DB2 Interview Questions

What is a cursor in programming?

0 Answers  


What should be specified along with a cursor in order to continue updating process after commit?

1 Answers   IBM,


How to compare data between two tables in db2?

0 Answers  


what is the role of the cursor in db2?

0 Answers  


What is a db2 table?

0 Answers  






What is the difference between oracle and db2?

0 Answers  


what is the maximum number of tables that can be joined ?

8 Answers   IBM, TCS,


the dd name for ksds is dest1 and what is the dd name for alternate index of ksds ? a.dest b.dest1 c.dest1a d.dd1

2 Answers   Logica CMG,


define clustering index.

0 Answers  


how to resolve -811 error. give clear explination

4 Answers   IBM,


What does it mean if the null indicator has -1, 0, -2?

1 Answers  


Which component is used to execute the sql statements?

0 Answers  


Categories