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Mainframe Programmer Interview Questions
314 mainframe programmer interview questions shared by candidates
I wasn't even given a change to answer any technical questions.
Explain pre compilation process in cobol
Brief about your experience and your role in that. What is Cursor? Cobol + Db2 compilation process in detail. Sql error codes. file status, Questions on DFSort. Scenario based Db2 queries
COBOL: Static vs. Dynamic Call, SEARCH vs. SEARCH ALL, COMP-3 usage, PERFORM types, debugging S0C7. JCL: JOBLIB vs. STEPLIB, GDG, COND vs. IF, restart steps. DB2: Deadlocks (-911), isolation levels, REORG vs. RUNSTATS, SQL performance tuning. IMS: GU vs. GN, PSB, Checkpoints.
Mainframe JCL sort card COBOL Db2
Questions on JCL, COBOL, create gdg,how to pass parameters to COBOL from JCL, questions on parameters etc
Are you comfortable processing multiple inputs
How do you count rows in a table
All are basic questions and related to project.
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