Get information on all the column constraints you have access to using all_cons_columns. : all_cons_columns « System Tables Data Dictionary « Oracle PL/SQL Tutorial

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Oracle PL/SQL Tutorial » System Tables Data Dictionary » all_cons_columns

30. 4. 1. Get information on all the column constraints you have access to using all_cons_columns.


SQL>

SQL> desc all_cons_columns;

 Name              Null?    Type

 ------------------



 OWNER             NOT NULL VARCHAR2(30)

 CONSTRAINT_NAME   NOT NULL VARCHAR2(30)

 TABLE_NAME        NOT NULL VARCHAR2(30)

 COLUMN_NAME                VARCHAR2(4000)

 POSITION                   NUMBER



SQL>

SQL> --select * from all_cons_columns;

SQL>

30. 4. all_cons_columns
	30. 4. 1.	Get information on all the column constraints you have access to using all_cons_columns.
	30. 4. 2.	Join user_constraints and user_cons_columns to get the column_name, constraint_name, constraint_type, and status

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