SQL Operations Guide

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SQL_MIN_CARD <# of rows>

Forces the SQL optimizer to consider that the tables contain, at minimum, <# of rows>.

Setting this value to any number greater than 0 (let say X) forces the optimizer to think that any table with less than X records contain X records. This may potentially help the optimizer, in certain cases, to chose the proper execution plan for tables even if the tables are actually empty.

Default: 0