Constraining Attribute Values


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Table of Contents

Constraining Attribute Values

Constraining Values with User Defined ‘Types’

More Complex Constraints...

Declaring Assertions

Another Example

Different Constraint Types


Elements of Triggers (in SQL3)

Example: Row Level Trigger

Statement Level Trigger

Bad Things Can Happen

Embedded SQL

Programs with SQL

The Impedance Mismatch Problem

Interface: SQL / Host Language

Using Shared Variables

Single-Row Select Statements


More on Cursors

Recursion in SQL-3

Author: Alon Levy


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