COBOL ⭐ Featured
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Q: Explain JUSTIFIED RIGHT clause

Answer:
JUSTIFIED RIGHT aligns alphanumeric receiving field contents to right. 05 WS-NAME PIC X(10) JUSTIFIED RIGHT. MOVE 'ABC' TO WS-NAME gives ' ABC'. Default is left justified. Only for alphanumeric elementary items.
justified alignment string
JCL ⭐ Featured
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Q: What causes S0C7 in batch?

Answer:
S0C7 is data exception - non-numeric in numeric field. Check: input file data quality, initialize variables, correct REDEFINES, field alignment. Use OFFSET in dump to find statement. LE CEEDUMP shows data values. Common with new programs.
s0c7 data-exception debugging
COBOL
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Q: What is SYNCHRONIZED clause?

Answer:
SYNCHRONIZED aligns binary items on natural boundaries for efficient access. 01 WS-GROUP. 05 WS-CHAR PIC X. 05 WS-BINARY PIC S9(8) COMP SYNC. Adds slack bytes as needed. Can waste space but improves performance. RIGHT/LEFT options available.
synchronized alignment performance