menu_book Course Curriculum (PL/SQL) expand_more
RAISE
Learn RAISE in PL/SQL through a focused explanation, a dedicated construct-specific example, an engineering boundary, and a mastery check.
RAISE is an atomic PL/SQL topic inside Exceptions. This lesson focuses on how the RAISE construct is written, what it changes, and when it is the right tool.
Trace the example line by line. Identify the exact syntax for RAISE, 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
DECLARE e_stop EXCEPTION; BEGIN RAISE e_stop; EXCEPTION WHEN e_stop THEN DBMS_OUTPUT.PUT_LINE('stopped'); END; /For RAISE, 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.