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CASE selector WHEN 'value1' THEN S1; WHEN 'value2' THEN S2; WHEN 'value3' THEN S3; ... ELSE Sn; -- default case END CASE;
DECLARE grade char(1) := 'A'; BEGIN CASE grade when 'A' then dbms_output.put_line('Excellent'); when 'B' then dbms_output.put_line('Very good'); when 'C' then dbms_output.put_line('Well done'); when 'D' then dbms_output.put_line('You passed'); when 'F' then dbms_output.put_line('Better try again'); else dbms_output.put_line('No such grade'); END CASE; END; /Output: