Código MySQL:
Ver original
DELIMITER $$ -- SPLIT BEGIN DATE IN DAY MONTH YEAR /*SELECT DATE(CONCAT(AN_INGR, '-', MES_INGR, '-', DIA_INGR)) as fec_ingreso into fecha_in FROM PERIODO_INGRESO; SELECT DAY(fecha_in) AS DIA_ING INTO dia_ing from PERIODO_INGRESO; SELECT MONTH(fecha_in) AS MES_ING INTO mes_ing from PERIODO_INGRESO; SELECT YEAR(fecha_in) AS ANO_ING INTO ano_ing from PERIODO_INGRESO;*/ -- SPLIT CURRENT DATE IN DAY MONTH YEAR INTO dia_actual; INTO mes_actual; INTO ano_actual; -- CALCULATE THE DIFF FROM PERIODO_INGRESO, datos END;