11-25-2004
Oracle 9i ODBC connection
I am attempting to access an Oracle 9i database located on a Solaris server from an XP client. The server is running Oracle 9i9.2.0.1.0 and the XP is Oracle client 9i 9.2.0.1.0. When I start a listener on the server, the listener starts but I receive a message “The listener supports no services”. I can access the database via SQLPLUS on the client using the Oracle client SQL. I can also access through a telnet SQLPLUS session. When I attempt to access the database in ACCESS using ODBC, I receive an error message:
ODBC - call failed.
Microsoft ODBC driver for Oracle ORA 12514: TNS: listerner could not resolve SERVICE_NAME given in connect descriptor (#12514) Driver's SQLSetConnectAttr failed IM006 0 (Microsoft) (ODBC Driver Manager) Driver's SQLSetConnectAttr failed (#)
I realize that Listener.ora and Tnsnames.ora on the client work together. On the server, should I have something comparable?
Also, on other examples I have seen SID used to identify a service, the Oracle client configured as SERVICE_NAME = xxxx rather than SID.
After I can establish this ODBC connection, my ultimate goal is to use dfPower DBMS/Copy on my XP client to load Oracle tables on the server through an ODBC connection.
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LEARN ABOUT PHP
odbc_connect
ODBC_CONNECT(3) 1 ODBC_CONNECT(3)
odbc_connect - Connect to a datasource
SYNOPSIS
resource odbc_connect (string $dsn, string $user, string $password, [int $cursor_type])
DESCRIPTION
The connection id returned by this functions is needed by other ODBC functions. You can have multiple connections open at once as long as
they either use different db or different credentials.
With some ODBC drivers, executing a complex stored procedure may fail with an error similar to: "Cannot open a cursor on a stored proce-
dure that has anything other than a single select statement in it". Using SQL_CUR_USE_ODBC may avoid that error. Also, some drivers don't
support the optional row_number parameter in odbc_fetch_row(3). SQL_CUR_USE_ODBC might help in that case, too.
PARAMETERS
o $dsn
- The database source name for the connection. Alternatively, a DSN-less connection string can be used.
o $user
- The username.
o $password
- The password.
o $cursor_type
- This sets the type of cursor to be used for this connection. This parameter is not normally needed, but can be useful for work-
ing around problems with some ODBC drivers. The following constants are defined for cursortype:
o SQL_CUR_USE_IF_NEEDED
o SQL_CUR_USE_ODBC
o SQL_CUR_USE_DRIVER
RETURN VALUES
Returns an ODBC connection or ( FALSE) on error.
EXAMPLES
Example #1
DSN-less connections
<?php
// Microsoft SQL Server using the SQL Native Client 10.0 ODBC Driver - allows connection to SQL 7, 2000, 2005 and 2008
$connection = odbc_connect("Driver={SQL Server Native Client 10.0};Server=$server;Database=$database;", $user, $password);
// Microsoft Access
$connection = odbc_connect("Driver={Microsoft Access Driver (*.mdb)};Dbq=$mdbFilename", $user, $password);
// Microsoft Excel
$excelFile = realpath('C:/ExcelData.xls');
$excelDir = dirname($excelFile);
$connection = odbc_connect("Driver={Microsoft Excel Driver (*.xls)};DriverId=790;Dbq=$excelFile;DefaultDir=$excelDir" , '', '');
?>
SEE ALSO
For persistent connections: odbc_pconnect(3).
PHP Documentation Group ODBC_CONNECT(3)