Did you know that ISNUMERIC() in SQL Server can actually lead to runtime errors? It seems simple enough. It checks whether a value is numeric, returning 1 if it is, and 0 if it’s not. So naturally, ...

Recently I encountered a problem in a stored procedure that was caused by an unexpected result from the SQL Server ISNUMERIC() function. I was using SQL Server 2008 R2 but the issue has long been ...

ISNUMERIC determines whether an expression is a valid numeric type.

[!INCLUDE [sql-asdb-asdbmi-asa-pdw-fabricse-fabricdw](../../includes/applies-to-version/sql-asdb-asdbmi-asa-pdw-fabricse-fabricdw.md)] Determines whether an ...

While helping out someone on an old LMS query, I came across a pattern that looked perfectly reasonable at first: SELECT MAX(CASE WHEN ISNUMERIC(LTRIM(RTRIM(e.STUDENT_ID))) = 1 AND ...