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