Reply to Re: if-then in select stmnt

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Posted by Erland Sommarskog on 06/09/06 21:49

MGFoster (me@privacy.com) writes:
> SELECT CASE WHEN ISNUMERIC(some_column)
> THEN 'text'
> ELSE 'some other text'
> END AS theNumericTest
> FROM table_name
> ... etc. ...

1) CASE WHEN isnumeric(some_column) = 1

2) isnumeric is virtually useless because it approves anything that
can be converted a to numeric data type. For test on "all digits",
this is better: "some_column NOT LIKE '%^[0-9]%'"



--
Erland Sommarskog, SQL Server MVP, esquel@sommarskog.se

Books Online for SQL Server 2005 at
http://www.microsoft.com/technet/prodtechnol/sql/2005/downloads/books.mspx
Books Online for SQL Server 2000 at
http://www.microsoft.com/sql/prodinfo/previousversions/books.mspx

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