Consider the table structure shown Table: members Column Name member id last_name first name address CI state phone annual dues payment_date Data Type NUMBER VARCHAR2(50) No VARCHAR2(50) No VARCHAR2(100) Yes VARCHAR2(30 Yes CHAR(2) CHAR(12) NUMBER(5,2) Yes DATE Nullable Default Data Constraint No PK Yes No 52.5 Yes Table: member_groups Column Name member id group_id Data Type NUMBER NUMBER Nullable Default Data No No Constraint PK,FK PK,FK Table: groups Column Name group_id group name Data Type NUMBER Nullable Default Data Constraint No PK VARCHAR2(30) Yes Write a command to add a constraint to the groups table so that the group name in each record is unique