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Equivalent selects
Message
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:
01348406
Vues:
15
>>>>>>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.
>>
>>Is that a VFP tool or is this some additional software I will have to install?
>
>SQL Server Management Studio is included with SQL Server Standard edition and higher.

Ahh. . . then I don't have it available.
Thanks
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