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The `WHERE` clause is used to specify criterion for retrieval or modification of rows from objects in a database.

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Recommended Postgresql index type to be used with not equal (<>) where condition

Besides other conditions, there is also a not equal (<>) where condition on a columns pair of varchar type. It has to exclude one in a million. … Could pg-strom (utilizing GPU) enhance speed of a not equal comparison in the where clause? …
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