Oracle USER_CONS_COLUMNS Table: Constraint Column Details
Oracle's USER_CONS_COLUMNS table stores info about columns involved in constraints (primary keys, foreign keys, unique constraints) & their positions in the constraint.
The USER_CONS_COLUMNS table in Oracle stores detailed information about the columns that are part of constraints in the user's schema. This table allows you to view which columns are involved in specific constraints (e.g., primary keys, foreign keys, unique constraints, check constraints) and their positions in the constraint (for composite keys). Columns in USER_CONS_COLUMNS Table Example Usage of USER_CONS_COLUMNS Let’s assume the following constraints exist on the EMPLOYEES table: A Primary Key constraint on the ID column. A Foreign Key constraint on the DEPARTMENT_ID column. A Unique c...