Violate constraints : Constraint Check « Constraints « Oracle PL / SQL






  1. Oracle PL / SQL
  2. Constraints
  3. Constraint Check

Violate constraints

   
SQL>
SQL> create table t
  2  ( x int,
  3        constraint x_greater_than_zero check ( x > 0 )
  4                   deferrable initially immediate
  5  )
  6  /

Table created.

SQL> insert into t values ( -1 );
insert into t values ( -1 )
*
ERROR at line 1:
ORA-02290: check constraint (SYS.X_GREATER_THAN_ZERO) violated


SQL>
SQL> set constraint x_greater_than_zero deferred;

Constraint set.

SQL> insert into t values ( -1 );

1 row created.

SQL>
SQL> commit;
commit
*
ERROR at line 1:
ORA-02091: transaction rolled back
ORA-02290: check constraint (SYS.X_GREATER_THAN_ZERO) violated


SQL> set constraint x_greater_than_zero deferred;

Constraint set.

SQL> insert into t values ( -1 );

1 row created.

SQL> set constraint x_greater_than_zero immediate;
set constraint x_greater_than_zero immediate
*
ERROR at line 1:
ORA-02290: check constraint (SYS.X_GREATER_THAN_ZERO) violated


SQL>
SQL> drop table t;
drop table t
*
ERROR at line 1:
ORA-02091: transaction rolled back
ORA-02290: check constraint (SYS.X_GREATER_THAN_ZERO) violated








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