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The TAP offers routines to comprehensively check data against its DDL definition. The programmer may specify the level of checking. A program for which no errors are reported will run faster and should give the same results if the checking were to be inhibited. Data validation may thus be used as a debugging aid in the development stage of an application. The sample program validate illustrates examples of such.
BR and MR - CERN PTG - ADAMO Users Guide for Version 3.3 - 11 Oct 93