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Anchored %ROWTYPE
Learn Anchored %ROWTYPE in PL/SQL through a focused explanation, a dedicated construct-specific example, an engineering boundary, and a mastery check.
Anchored %ROWTYPE is an atomic PL/SQL topic inside Blocks & Variables. This lesson focuses on how the Anchored %ROWTYPE construct is written, what it changes, and when it is the right tool.
Trace the example line by line. Identify the exact syntax for Anchored %ROWTYPE, 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 v_emp employees%ROWTYPE; BEGIN SELECT * INTO v_emp FROM employees WHERE employee_id=100; DBMS_OUTPUT.PUT_LINE(v_emp.last_name); END; /
For Anchored %ROWTYPE, 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.