hi i am having a table EMRALLERGIES where i am using a column which is bit and now i want to change the data type to numeric.fro that i am using like this.ALTER TABLE EMRALLERGIES ADD TEMP_STATUS NUMERIC(1,0)GOUPDATE EMRALLERGIES SET TEMP_STATUS = STATUSGOALTER TABLE EMRALLERGIES DROP CONSTRAINT DF__EMRAllerg__STATU__7B7B4DDCGOALTER TABLE EMRALLERGIES DROP COLUMN STATUSGOALTER TABLE EMRALLERGIES ADD STATUS [NUMERIC](1,0) DEFAULT 1GOUPDATE EMRALLERGIES SET STATUS = TEMP_STATUSGOALTER TABLE EMRALLERGIES DROP COLUMN TEMP_STATUSGObut the default constraint name is differing all the time.so i want a procedure for this.can anyone help me out in this?