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CREATE CURSOR command
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À
20/01/2012 12:04:21
Information générale
Forum:
Visual FoxPro
Catégorie:
Codage, syntaxe et commandes
Versions des environnements
Visual FoxPro:
VFP 9 SP2
OS:
Windows 7
Network:
Windows 2003 Server
Database:
MS SQL Server
Divers
Thread ID:
01533423
Message ID:
01533429
Vues:
46
>>>>Hi everybody,
>>>>
>>>>Does CREATE CURSOR command allow to specify primary key? It is not listed in the syntax, but there is a mention of it in the text.
>>>>
>>>>I'm adding a field ID I AutoInc NextValue 2 and I want this field to be primary key in the table. What will be my syntax for this?
>>>>
>>>>I also checked CREATE TABLE command and it allows to specify field as Primary. So, is there a difference between CURSOR and TABLE and it's a limitation of the CURSOR?
>>>>
>>>>Thanks in advance.
>>>
>>>Nope,
>>>PKs are allowed ONLY for DBC tables.
>>>CURSORS are not DBC tables :-)
>>>You must use candidate keys, instead of PKs
>>
>>So, I will be using UNIQUE clause, correct? The Help is a bit confusing.
>
>nope. candidate.

I will be using UNIQUE clause in the CREATE CURSOR command. UNIQUE in there produces a candidate index.
If it's not broken, fix it until it is.


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