'Create assertion' diaporamas de présentation

Assertions and Triggers

Assertions and Triggers. Rose-Hulman Institute of Technology Curt Clifton. Assertions. Like constraints: Recall: state IN {'IA', 'MN', 'WI', 'MI', 'IL'} But can reference all tables Defined by: CREATE ASSERTION <name> CHECK ( <condition> );. Example: Assertion.

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SQL: Constraints and Triggers

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Constraining Attribute Values

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CS422 Principles of Database Systems Schema Definitions and Constraints

CS422 Principles of Database Systems Schema Definitions and Constraints. Chengyu Sun California State University, Los Angeles. Create Table Schema. CREATE TABLE table ( name type [DEFAULT value] [column_constraints], ... [table_constraints] );. Data Types.

165 views • 16 slides