-- ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-- SIU-GUARANI 3 - Sistema de Gestión Académica
-- Versión 3.0.0
-- Tabla: sga_tesis
-- FK: fk_sga_tesis_sga_elementos
-- ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

-- DROP INDEX ifk_sga_tesis_sga_elementos;
CREATE INDEX ifk_sga_tesis_sga_elementos ON  sga_tesis (actividad);

-- ALTER TABLE sga_tesis DROP CONSTRAINT fk_sga_tesis_sga_elementos; 
ALTER TABLE sga_tesis 
	ADD CONSTRAINT fk_sga_tesis_sga_elementos FOREIGN KEY (actividad) 
	REFERENCES sga_elementos (elemento) on update restrict on delete restrict;