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SAP Sybase SQL Anywhere 16.0 » SQL Anywhere Server - SQL Usage » Data integrity


SQL statements for implementing integrity constraints

The following SQL statements implement integrity constraints:

  • CREATE TABLE statement   This statement implements integrity constraints during creation of the table.

  • ALTER TABLE statement   This statement adds integrity constraints to an existing table, or modifies constraints for an existing table.

  • CREATE TRIGGER statement   This statement creates triggers that enforce more complex business rules.

  • CREATE DOMAIN statement   This statement creates a user-defined data type. The definition of the data type can include constraints.

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