-- ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-- SIU-GUARANI 3 - Sistema de Gestión Académica
-- Versión 3.0.0
-- Tabla: mce_circuitos
-- Check: ck_mce_circuitos_activo
-- ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-- ALTER TABLE mce_circuitos DROP CONSTRAINT ck_mce_circuitos_activo;
ALTER TABLE mce_circuitos ADD CONSTRAINT ck_mce_circuitos_activo CHECK (activo IN ('S','N'));