IF NOT EXISTS (SELECT 1 FROM KSQL_USERCOLUMNS WHERE KSQL_COL_TABNAME = 'T_BCM_APPROVALAUTHORITY_L' AND KSQL_COL_NAME ='FUSERNAME') 
 ALTER TABLE T_BCM_APPROVALAUTHORITY_L ADD (FUSERNAME NVARCHAR(255) DEFAULT ' ' NOT NULL );
 
IF NOT EXISTS (SELECT 1 FROM KSQL_USERCOLUMNS WHERE KSQL_COL_TABNAME = 'T_BCM_APPROVALAUTHORITY_L' AND KSQL_COL_NAME ='FAPPROVALSTAGE') 
 ALTER TABLE T_BCM_APPROVALAUTHORITY_L ADD (FAPPROVALSTAGE NVARCHAR(255) DEFAULT ' ' NOT NULL );
 

