1. Categories >> Software >> Databases >> MySQL
  2. Suggest New Category

A select query over a large table runs very slow because of
the growing number of entries in that table. What different
measures could be taken to improve speed?

Question Posted / pranab

Answers were Sorted based on User's Feedback



A select query over a large table runs very slow because of the growing number of entries in that ..

Answer / dhirendra

Myself also faced the problem and after indexing its
resolved.
Try to find out the feild name on which maximum query
executed. Create index on that field it will improve the
performance.
Secondly you may create archiev of you table which stores
the record which is not required and deletion or updation
activity and keep the current table light.

Is This Answer Correct ?    11 Yes 0 No

A select query over a large table runs very slow because of the growing number of entries in that ..

Answer / kalaivani

select the required field from the table

Is This Answer Correct ?    3 Yes 1 No

A select query over a large table runs very slow because of the growing number of entries in that ..

Answer / jd

This question cannot be answered with the way it is formulated.

One has to run a trace to figure out why the select is slow.
it could be a lack of index, it could be bad storage
parameters, it could be that the select itself is written
poorly.

Too many problem can be described by this symptom.

Is This Answer Correct ?    0 Yes 0 No

A select query over a large table runs very slow because of the growing number of entries in that ..

Answer / sanjeev vishu

To improve select query speed we must use paging.

Is This Answer Correct ?    4 Yes 8 No

A select query over a large table runs very slow because of the growing number of entries in that ..

Answer / dinesh goyal

By using LIMIT we can improve speed.

Is This Answer Correct ?    5 Yes 10 No

Post New Answer

More MySQL Interview Questions

What is the innodb in mysql?

0 Answers  

List some comparisons operators used in mysql?

0 Answers  

How to use like conditions?

0 Answers  

Explain the difference between mysql and mysql interfaces in php?

0 Answers  

Write a query to stop mysql in unix

0 Answers  




How can an index be declared in mysql?

0 Answers  

How to enter boolean values in sql statements?

0 Answers  

How to use regular expression in pattern match conditions?

0 Answers  

In which year mysql created?

0 Answers  

what is the main difference between myisam and innodb

2 Answers   Wipro,

What is the difference between mysql_connect and mysqli_connect?

0 Answers  

What is definer in mysql?

0 Answers  

For more MySQL Interview Questions Click Here
Categories