I have 3 tables. USERS, GROUPS, and GROUPMEMBERSHIP
The USERS table has 3 fields, ID, USER_NAME, and USER_PASS
The GROUPS table has 2 fields, ID, GROUP_NAME
The GROUPMEMBERSHIP table has 3 fields, ID, USER_ID, GROUP_ID
Now, I have 3 values: the username, the password, and a group name I...