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Equivalent selects
Message
 
À
17/09/2008 16:25:40
Information générale
Forum:
Visual FoxPro
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Versions des environnements
Visual FoxPro:
VFP 9 SP2
OS:
Vista
Network:
Windows 2008 Server
Database:
MS SQL Server
Divers
Thread ID:
01348392
Message ID:
01348400
Vues:
17
>>>I am assuming these 2 statements are functionally equivalent. Am I correct?
>>>Thanks
>>>
>>>select * ;
>>>from test_financing ;
>>>inner join tip on test_financing.tip_id = tip.tip_id ;
>>>where between(_year,tipyear,tipyear+4) ;
>>>order by lead, st_name, _year 
>>>
>>>select * ;
>>>from tip ;
>>>inner join test_financing on test_financing.tip_id = tip.tip_id ;
>>>where between(_year,tipyear,tipyear+4) ;
>>>order by lead, st_name, _year 
>>>
>>
>>Yes. You will get the same result from both.
>>But abouth to speed you should check Actual Execution Plan.
>
>What is AEP?

Run both queries in SSMS (SQL Server Management Studio)
Before you run them just click on "Include Actual Execution Plan" button from the toolbar.
Against Stupidity the Gods themselves Contend in Vain - Johann Christoph Friedrich von Schiller
The only thing normal about database guys is their tables.
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