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Q: What is USE BEFORE REPORTING?
Answer:
In Report Writer, USE BEFORE REPORTING procedure runs before printing. USE BEFORE REPORTING report-group-name. Allows dynamic modification of report data. Can suppress or modify lines based on runtime conditions.
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Q: How to update KSDS record?
Answer:
READ record (optionally FOR UPDATE). Modify record area. REWRITE record. Key cannot change on REWRITE. Status 00 if successful. ACCESS MODE must allow updates.
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Q: Explain IDCAMS ALTER command
Answer:
ALTER modifies cluster attributes. ALTER ds.name ADDVOLUMES(vol). ALTER ds.name SHAREOPTIONS(2 3). Some changes need empty file. Some need unload/reload. Limited modifications.
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Q: What is SET command?
Answer:
SET modifies resource state. EXEC CICS SET FILE(name) OPEN/CLOSED. SET TRANSACTION ENABLED/DISABLED. Requires authority. Dynamic resource management. Change status without CEDA.
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Q: What is CEDF?
Answer:
CEDF is execution diagnostic facility. Debug tool. CEDF ON intercepts EXEC CICS. Step through commands. Display/modify data. Powerful debugging. CEDF transaction-id starts debug.
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Q: How to use MODIFY parameter?
Answer:
MODIFY references FCB image. MODIFY=(fcb,trc) on OUTPUT. FCB controls forms. TRC is table reference character. For print formatting. Installation-defined FCBs. Used with special forms.
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Q: How to set field attributes?
Answer:
Modify A field in symbolic map. DFHBMUNP=unprotected, DFHBMPRO=protected, DFHBMBRY=bright. Move to field-A before SEND. Dynamic attribute control.