COBOL ⭐ Featured
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Q: What is LOCAL-STORAGE SECTION?

Answer:
LOCAL-STORAGE SECTION is reinitialized each invocation. Unlike WORKING-STORAGE which retains values. Each thread gets own copy. Useful for recursive programs and threaded environments. COBOL-85+ feature. Not all compilers support equally.
local-storage initialization threads
DB2
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Q: Explain thread management

Answer:
Thread is DB2 connection. Allied thread for TSO/batch. DBAT (database access thread) for DDF. Pool thread for efficient reuse. Max threads controlled by zparm. Monitor active threads.
thread connection dbat