sql server - How can I get the MAX value of a column from a record or 0 if no record is matched in my SELECT? -
sql server - How can I get the MAX value of a column from a record or 0 if no record is matched in my SELECT? -
i have stored procedure utilize insert. when inserting record value of release equal 1 more highest value. here coded:
declare @maxrelease int; select @maxrelease = max(release) dbo.test testtypeid = @testtypeid , examid = @examid , title = @title; insert ... @maxrelease + 1 ... etc.
however how can create if there nil returned select (because there no current records) value of @maxrelease 0?
you can utilize isnull (transact-sql) replace null value replacement value.
select @maxrelease = isnull(max(release), 0) dbo.test
sql-server
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