Merge joins are not currently part of the heuristics. • Batch-mode memory grant feedback: Previously, SQL Server took a cardinality estimate for a given T-SQL batch and then estimated the minimum ...

The answer depends on the version of SQL you’re using. In some cases, the INNER JOIN syntax results in more efficient processing. The LEFT JOIN: Matching records plus orphans from the left ...

These are tables from a MS Commerce Server solution so I can't really alter the data to make it the same.<BR><BR>Is there any way to perform an INNER JOIN on two similar columns?<BR><BR>Thanks ...

SQL Server developers must understand two things: the difference between inner and outer JOINs and the effect of NULLs upon these choices. This tip addresses both subjects.