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odbc_foreignkeys
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odbc_foreignkeys

Name

odbc_foreignkeys — Displays foreign key information.

Synopsis

resource odbc_foreignkeys(conn, catalog, owner, table, catalog, owner, table); resource conn: Connection ID string catalog: Primary Key Database string owner: Primary Key Owner string table: Primary Key Table string catalog: Foreign Key Database string owner: Foreign Key Owner string table: Foreign Key Table

Returns

Result identifier; FALSE on error

Description

Retrieves information about foreign keys in a table. Depending on the order of the foreign key table and primary key table, different information is returned. A large number of columns are returned in the result set: PKTABLE_CAT, PKTABLE_SCHEM, PKTABLE_NAME, PKCOLUMN_NAME, FKTABLE_CAT, FKTABLE_SCHEM, FKTABLE_NAME, FKCOLUMN_NAME, KEY_SEQ, UPDATE_RULE, DELETE_RULE, FK_NAME, and PK_NAME_DEFERABILITY.

Version

Existing since version 3.0.6

Example

Example 1346. Display foreign keys

<?php
$db = odbc_connect("DSN","user","pass");
$result = odbc_foreignkeys($db,"Northwind", "dbo", "Categories", "Northwind", "dbo", "Products");
odbc_result_all($result);
?>

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PHP Functions Essential Reference. Copyright © 2002 by New Riders Publishing (Authors: Zak Greant, Graeme Merrall, Torben Wilson, Brett Michlitsch). This material may be distributed only subject to the terms and conditions set forth in the Open Publication License, v1.0 or later (the latest version is presently available at http://www.opencontent.org/openpub/). The authors of this book have elected not to choose any options under the OPL. This online book was obtained from http://www.fooassociates.com/phpfer/ and is designed to provide information about the PHP programming language, focusing on PHP version 4.0.4 for the most part. The information is provided on an as-is basis, and no warranty or fitness is implied. All persons and entities shall have neither liability nor responsibility to any person or entity with respect to any loss or damage arising from the information contained in this book.