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I’m using the following code:
SELECT * FROM table
WHERE Col IN (123,123,222,....)
However, if I put more than ~3000 numbers in the IN clause, SQL throws an error.
Does anyone know if there’s a size limit or anything similar?!!
Depending on the database engine you are using, there can be limits on the length of an instruction.
SQL Server has a very large limit:
http://msdn.microsoft.com/en-us/library/ms143432.aspx
ORACLE has a very easy to reach limit on the other side.
So, for large IN clauses, it’s better to create a temp table, insert the values and do a JOIN. It works faster also.