How can analyze query after generating explain plan ?

Answers were Sorted based on User's Feedback



How can analyze query after generating explain plan ?..

Answer / chiranjeevi

After generating explan plan the out put of the query
stored in plan_table.from this table if you finding any
table access (full) in output,the query having perfomence
problem.

according you can create the index or primary key or unique
in proper table.

Is This Answer Correct ?    3 Yes 0 No

How can analyze query after generating explain plan ?..

Answer / azuan

example

explain analyze select br_loc,count(insp_id) from insp where
date_create between '2010-07-01 00:00:00' and '2010-07-31
23:59:59' group by br_loc

Is This Answer Correct ?    1 Yes 0 No

Post New Answer

More SQL PLSQL Interview Questions

What is ON DELETE CASCADE?

3 Answers  


What is primary key and unique key?

0 Answers  


What is plpgsql language?

0 Answers  


How do I make sql search faster?

0 Answers  


Define concurrency control. : Transact sql

0 Answers  






What is composite data type in pl sql?

0 Answers  


What is sql indexing?

0 Answers  


Fetch an entire row from the employees table for a specific employee ID:

2 Answers  


What is the non-clustered index in sql?

0 Answers  


How can triggers be used for the table auditing?

0 Answers  


Explain what is a subquery ?

0 Answers  


What are secondary keys?

0 Answers  


Categories