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PL/SQL / Control Flow

EXIT WHEN

Learn EXIT WHEN in PL/SQL through a focused explanation, a dedicated construct-specific example, an engineering boundary, and a mastery check.

10 min read • Beginner

EXIT WHEN is an atomic PL/SQL topic inside Control Flow. This lesson focuses on how the EXIT WHEN construct is written, what it changes, and when it is the right tool.

Trace the example line by line. Identify the exact syntax for EXIT WHEN, the input state before it runs, and the resulting value, control flow, database state, hardware behavior, or runtime effect afterward. Neighboring lessons use different constructs rather than renamed copies of this one.

Topic-specific example

plsql-02-09-exit-when.sql
plsql Try It Live
BEGIN FOR i IN 1..10 LOOP EXIT WHEN i=4; DBMS_OUTPUT.PUT_LINE(i); END LOOP; END; /
Edge case / engineering note

For EXIT WHEN, test the boundary that belongs to this exact feature rather than a generic failure case. Check invalid or empty input, NULL/unknown state, numeric limits, transaction or exception behavior, synthesis/runtime constraints, ownership/permission rules, or backtracking/control-flow effects where they apply.

Content source & attribution
Original Syntaxis Content · Original Syntaxis Content