UNLOAD

DD statements for the batch command facility (z/OS)

//userdb   DD  DSN=user.olddb,DISP=SHR

Additional existing database files assignments, as required

//sysjrnl  DD  DUMMY
//SYS002   DD  DSN=user.dbl002,DISP=(NEW,PASS),UNIT=tape002,
//             DCB=(RECFM=VB,BLKSIZE=bbb002)
//SYS003   DD  DSN=user.dbl003,DISP=(NEW,PASS),UNIT=tape003,
//             DCB=(RECFM=VB,BLKSIZE=bbb003)
//SYSPCH   DD  DSN=&&sortunld,DISP=(NEW,PASS),UNIT=disk,
//             SPACE=(TRK,1),DCB=BLKSIZE=80
//RELDCTL  DD  DSN=user.reldctl,DISP=(NEW,CATLG),UNIT=nnnn,
               VOL=SER=nnnnnn,
               DCB=(RECFM=FB,LRECL=60,BLKSIZE=bbbctl)

userdb	DDname of the existing database file
user.olddb	Data set name of the existing database file
sysjrnl	DDname of the dummy journal file
user.dbl002	Data set name of the SYS002 output file
tape002	Symbolic device name of the SYS002 output file
bbb002	Block size of the SYS002 output file; must be at least the size of the largest database record plus 4 bytes
user.dbl003	Data set name of the SYS003 output file
tape003	Symbolic device name of the SYS003 output file
bbb003	Block size of the SYS003 output file
&&sortunld	Data set name of the sort parameters created by UNLOAD
disk	Symbolic device name of the sort parameter file
user.reldctl	Data set name of the reload control file containing control and set information
bbbctl	Size of the RELDCTL file. It should be a multiple of 60 with a maximum size of 32,760.