Tip

Addition to FOR ALL ENTRIES tip

In addition to the useful tip related to FOR ALL ENTRIES, one should be sure the internal table, used in the FOR ALL ENTRIES clause in not empty. If the table is empty, ALL ENTRIES will be selected. (Actually, all WHERE clauses are neglected)

Of course, you should also be sure you select on INDEX fields. Otherwise the use of FOR ALL ENTRIES increases the runtime instead of improving it.


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This was first published in April 2002

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