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Background documentation Equality Condition Locate the document in its SAP Library structure

Equality conditions are search conditions with a comparison predicate, to which the following rules apply:

Only equality conditions that satisfy these prerequisites can use the Optimizer to determine an optimal search strategy.

Conditions in the format ...NOT (<column_spec> <> <extended_value_spec>) or ...NOT (<column_spec> <> <subquery>) are, where possible, converted into an expression without NOT, with a correspondingly negated operator =. The system then continues processing the condition in this converted format.

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