Multiple choice technology mainframe

DBMS ------------> WHERE IMS -----------> ?????

  1. FUNCTION CODES

  2. IO AREA

  3. SSA

  4. PCB MASK
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The analogy draws a parallel between DBMS concepts and IMS terminology. Where DBMS might use various constructs to identify data, IMS specifically uses Segment Search Arguments (SSAs) to locate and retrieve segments. An SSA specifies the segment type and optionally the key values or search criteria to identify which segment occurrence(s) to access, analogous to how a WHERE clause identifies specific rows in a relational DBMS.

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