Integrity constraints prevent invalid data from being entered into database tables. An integrity constraint is declared on one or more columns in a table, and defines a rule for the data in those columns. For information about data integrity and declarative constraints, see the Oracle7 Server Concepts.
The following figure illustrates the Constraint object list.
Figure 7 - 1. Constraint Object List
Table Name | Table owner and table name. |
Constraints | Number of constraints defined on the table. |
Enabled | Number of constraints currently enabled in the table. |
Disabled | Number of constraints currently disabled in the table. |