👁 0
Q: How to reference PDS member?
Answer:
DSN=PDS.NAME(MEMBER). Direct member reference. DISP must allow access. For input, member must exist. For output, overwrites or creates. IEBCOPY for multiple members. Member name 1-8 characters.
👁 0
Q: What is the purpose of COPY statement?
Answer:
COPY includes copybook members at compile time, promoting code reuse and standardization. Syntax: COPY copybook-name. REPLACING clause allows field substitution. Copybooks typically contain record layouts, working-storage definitions, and common routines.
👁 0
Q: What causes JCL error S013-14?
Answer:
S013-14 is member not found in PDS. Check: DD name matches program expectation, member name spelled correctly, library in concatenation contains member, DISP allows access. Use LISTDS or ISPF 3.4 to verify member exists.
👁 0
Q: How does IEBCOPY work?
Answer:
IEBCOPY copies/merges PDS members. SYSUT1=input PDS, SYSUT2=output PDS. SYSIN: COPY OUTDD=SYSUT2,INDD=SYSUT1 copies all. SELECT MEMBER=name for specific members. REPLACE option overwrites existing. Can compress PDS.
👁 0
Q: How to use INCLUDE statement?
Answer:
INCLUDE MEMBER=name inserts JCL from JCLLIB member. Processed at conversion time. Can contain any JCL statements. Modular JCL design. INCLUDE can contain INCLUDE. SET statements affect included members.
👁 0
Q: How to define PDS?
Answer:
//PDSOUT DD DSN=MY.PDS,DISP=(NEW,CATLG),SPACE=(CYL,(5,1,10)),DCB=(RECFM=FB,LRECL=80). Directory blocks (10) required for PDS. Or DSNTYPE=LIBRARY for PDSE. PDSE allows dynamic directory expansion, member-level sharing.
👁 0
Q: How to allocate PDSE?
Answer:
DSNTYPE=LIBRARY creates PDSE. Better than PDS: dynamic directory, member-level sharing, no compression needed. Or DATACLAS with PDSE attribute. Cannot convert back to PDS easily. Recommended for new PDSes.
👁 0
Q: What is BIND command?
Answer:
BIND creates plan/package from DBRM. BIND PLAN(name) MEMBER(dbrm). Options: ISOLATION, VALIDATE, EXPLAIN. REBIND updates existing. BIND PACKAGE for packages. Precompile creates DBRM, BIND makes executable.