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Selecting records from two different tables in one query
Message
 
 
À
15/03/2010 11:42:28
Cetin Basoz
Engineerica Inc.
Izmir, Turquie
Information générale
Forum:
Visual FoxPro
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Divers
Thread ID:
01454516
Message ID:
01454570
Vues:
45
>>>Yes, it should be a LEFT JOIN (was a typo, I assume). Check this link http://blogs.lessthandot.com/index.php/DataMgmt/DataDesign/the-ten-most-asked-sql-server-questions--1#4
>>
>>
>>bu-bu-but i like number 3 and number 1 must i use number 2?
>
>No. Unless your field accepts null, you don't have to do that.
>Cetin

Are you saying it's a common misconception that LEFT JOIN is the fastest method?
If it's not broken, fix it until it is.


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