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commitment definition in AS/400
During processing you can hold the adds/changes/deletes for a block of changes and at the end either Commit that Block or Rollback those changes.
Requires that the files be journalled
Sql has an option for Commit
Native access requires a STRCMTCTL command in CL before files are open. RPG requires the COMMIT keyword on files that will be under commitment control. ENDCMTCTL must be issued after end of process.