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Managing ABL Applications
R-code Features and Functions : Database CRCs and time stamps : Time stamp validation

Time stamp validation

For each table, OpenEdge maintains a time stamp indicating when the schema was last changed. When compiling a procedure, OpenEdge inserts the time stamp into the r-code for each database table accessed by the procedure. This time stamp is the value of the _Last-change field in the metaschema _File record for each table. Note that sequence changes have no effect on time stamp validation.
* R-code execution with time stamps