HP 3000 Manuals HP 3000 Manuals
Chapter 1 Using New Data Integrity Features There are several new features involving data integrity. This chapter deals with them from a programming perspective under the following headings: * Setting the Error Checking Level. * Using Table Check Constraints. * Defining and Dropping Table Constraints. * Defining and Dropping View Constraints. * Deferring Constraint Error Checking. * Locating Constraint Errors Most examples are based on the recreation database, RecDB, that is provided as part of the sample database environment, PartsDBE. Refer to the ALLBASE/SQL Reference Manual and the ALLBASE/SQL application programming guides for complete syntax and further discussion of constraint features.