ALTER TABLE IF EXISTS IES.T_SCHET_USL_ONK_LEK_PR_INJ DROP CONSTRAINT IF EXISTS FK_T_SCHET_USL_ONK_LEK_PR_T_SCHET_USL_ONK_LEK_PR_INJ_SchetUslOnkLekPr;
ALTER TABLE IES.T_SCHET_USL_ONK_LEK_PR_INJ add constraint FK_T_SCHET_USL_ONK_LEK_PR_T_SCHET_USL_ONK_LEK_PR_INJ_SchetUslOnkLekPr foreign key (SchetUslOnkLekPr) references IES.T_SCHET_USL_ONK_LEK_PR (SchetUslOnkLekPrID) on delete cascade;