-- Drop the UKs SAMP_BK_DBIN_UK and SAMP_BK_GROU_UK of the SAMPLES table\012\012ALTER TABLE SAMPLES DROP CONSTRAINT SAMP_BK_DBIN_UK;\012ALTER TABLE SAMPLES DROP CONSTRAINT SAMP_BK_GROU_UK;\012\012-- Recreate the UKs SAMP_BK_DBIN_UK and SAMP_BK_GROU_UK of the SAMPLES table, but without the SATY_ID column.\012\012ALTER TABLE SAMPLES ADD CONSTRAINT SAMP_BK_DBIN_UK UNIQUE(CODE,DBIN_ID);\012ALTER TABLE SAMPLES ADD CONSTRAINT SAMP_BK_GROU_UK UNIQUE(CODE,GROU_ID);\012