Please start any new threads on our new
site at https://forums.sqlteam.com. We've got lots of great SQL Server
experts to answer whatever question you can come up with.
| Author |
Topic |
|
gagani
Posting Yak Master
112 Posts |
 Posted - 2013-12-16 : 07:58:13
|
| I need a query which retrives the firstnames of the person where last name is john. I am considering the performance as the main factor.Is there any better query than the following?Select firstname from tablename where lastname='John'could anyone please answer considering performance as the major factor |
|
|
ahmeds08
Aged Yak Warrior
737 Posts |
Posted - 2013-12-16 : 08:22:04
|
| have an index on lastname column.mohammad.javeed.ahmed@gmail.com |
 |
|
|
visakh16
Very Important crosS Applying yaK Herder
52326 Posts |
Posted - 2013-12-16 : 10:19:16
|
| you may even create an index with (firstname,lastname) so that it covers the full query------------------------------------------------------------------------------------------------------SQL Server MVPhttp://visakhm.blogspot.com/https://www.facebook.com/VmBlogs |
|
|
|
|
|
|
query