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Find if a value is in a table
Message
Information générale
Forum:
Microsoft SQL Server
Catégorie:
Syntaxe SQL
Divers
Thread ID:
01521232
Message ID:
01521235
Vues:
38
>Hi
>
>I want to find if a value is already in a table in SQL2005 and if it is I will raise an error .
>
>If not I add a record.
>
>I'm not sure what syntax to use to find if the value is already in the table.
>
>In Fox I would have used a SEEK
>
>
>Thanks
>
>
>Nick

if 0= (select count(*) from mytable where myfield='myvalue')
insert into mytable (field1,field2,field...) values (value1,value2,value3...)
else
RAISEERROR
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