NCL File Processing › Work with UDBs › UDB Initialization › Initialization of ESDS UDBs

Previous Topic: Initialization of KSDS UDBs

Next Topic: Write to SYSOUT as an ESDS

Initialization of ESDS UDBs

Empty ESDSs identified as UDBs are initialized by loading a single record which has the format:

N28510 VSAM INITIAL LOAD PERFORMED AT hh.mm.ss ON day-dd.mon-year

This record is always the first record of an ESDS UDB, unless the ESDS already contains records when opened by your product. NCL procedures that reference the UDB should ignore this first record. If preparing for unmapped processing of an NCL-created ESDS UDB, use IDCAMS to REPRO the data set skipping, the first record.