odbc_foreignkeys
(PHP 4, PHP 5, PHP 7)
odbc_foreignkeys — Retrieves a list of foreign keys
Description
$connection_id
, string $pk_qualifier
, string $pk_owner
, string $pk_table
, string $fk_qualifier
, string $fk_owner
, string $fk_table
) : resourceRetrieves a list of foreign keys in the specified table or a list of foreign keys in other tables that refer to the primary key in the specified table
Parameters
-
connection_id
-
The ODBC connection identifier, see odbc_connect() for details.
-
pk_qualifier
-
The primary key qualifier.
-
pk_owner
-
The primary key owner.
-
pk_table
-
The primary key table.
-
fk_qualifier
-
The foreign key qualifier.
-
fk_owner
-
The foreign key owner.
-
fk_table
-
The foreign key table.
Return Values
Returns an ODBC result identifier or FALSE
on failure.
The result set has the following columns:
- PKTABLE_QUALIFIER
- PKTABLE_OWNER
- PKTABLE_NAME
- PKCOLUMN_NAME
- FKTABLE_QUALIFIER
- FKTABLE_OWNER
- FKTABLE_NAME
- FKCOLUMN_NAME
- KEY_SEQ
- UPDATE_RULE
- DELETE_RULE
- FK_NAME
- PK_NAME
If pk_table
contains a table name,
odbc_foreignkeys() returns a result set
containing the primary key of the specified table and all of the
foreign keys that refer to it.
If fk_table
contains a table name,
odbc_foreignkeys() returns a result set
containing all of the foreign keys in the specified table and the
primary keys (in other tables) to which they refer.
If both pk_table
and
fk_table
contain table names,
odbc_foreignkeys() returns the foreign keys in
the table specified in fk_table
that refer
to the primary key of the table specified in
pk_table
. This should be one key at most.
English translation
You have asked to visit this site in English. For now, only the interface is translated, but not all the content yet.If you want to help me in translations, your contribution is welcome. All you need to do is register on the site, and send me a message asking me to add you to the group of translators, which will give you the opportunity to translate the pages you want. A link at the bottom of each translated page indicates that you are the translator, and has a link to your profile.
Thank you in advance.
Document created the 30/01/2003, last modified the 26/10/2018
Source of the printed document:https://www.gaudry.be/en/php-rf-odbc-foreignkeys.html
The infobrol is a personal site whose content is my sole responsibility. The text is available under CreativeCommons license (BY-NC-SA). More info on the terms of use and the author.
References
These references and links indicate documents consulted during the writing of this page, or which may provide additional information, but the authors of these sources can not be held responsible for the content of this page.
The author This site is solely responsible for the way in which the various concepts, and the freedoms that are taken with the reference works, are presented here. Remember that you must cross multiple source information to reduce the risk of errors.