Various DBMS constraints are listed below: PRIMARY KEY CONSTRAINT REFERENTIAL CONSTRAINT CHECK CONSTRAINT NOT NULL CONSTRAINT DOMAIN CONSTRAINTAnswer and Explanation: (a) The REFERENTIAL integrity constraint implies that a reference key in a table should have a previous existence in ano...
Chong et al., " Supporting Keyword Columns with Ontology-Based Referential Constraints in DBMS ", Apr. 2006.Eugene Inseok Chong, Souripriya Das, George Eadon, Jagannathan Srinivasan: Supporting Keyword Columns with Ontology-based Referential Constraints in DBMS. ICDE 2006: 95-110...
A referential integrity constraint is specified between two tables. If any record in the table containing the Primary Key (CUSTOMER_MASTER table) is deleted, all the corresponding records of the Foreign Key (ACCOUNTS_MASTER Table) will be deleted to enforce referential integrity. Following the examp...
in the dependent table which has a non-null value must have a corresponding parent row in the parent table. If a dependent row's foreign key has no matching primary key value in the parent table, then that referential constraint is violated and there is a loss of referential integrity in ...
Access gives a run-time error of '3289': "Syntax error in CONSTRAINT clause" on this inline statement: ALTER TABLE InvoicesHeader ADD CONSTRAINT FK_InvoicesDetail_InvoicesHeader FOREIGN KEY (InvoiceHeaderID) REFERENCES InvoicesHeader (InvoiceHeaderID) ON DELETE CASCADE ON UPDATE CASCADE ...