![]() ![]() “How to Setup DG4MSQL (Database Gateway for MS SQL Server) on Windows 32bit (Doc ID 466267.1)” How to Setup DG4ODBC (Oracle Database Gateway for ODBC) on Windows 32bit (Doc ID 466225.1) The sources include the instructions in the guide, plus two documents on My Oracle Support: There are three sources of information on how to configure Oracle to access SQL Server, and you can pick and choose among them to get the final answer. Once the database systems are in place (Oracle 11 gR2 and SQL Server 2008 for this example), it becomes a fairly simple matter (well, almost) of following instructions regarding the DG4ODBC installation and configuration. In addition to the SQL Server installation, you’ll also need some SQL Server databases. Or, as covered before, spring for a copy of the developer edition and get an Enterprise Edition installation for a fraction of the commercial retail price. How do you get SQL Server? Download it from MSDN and sign up for a 180-day trial. What do you need for a test environment? Obviously Oracle database, and although several ODBC data sources are covered in the guide (Sybase et al), the external RDBMS here is SQL Server. Of interest for us in this article is the Database Gateway Installation and Configuration Guide for Microsoft Windows guide, given that most users are using Windows to learn Oracle. The documentation for database gateways includes seven guides, covering various flavors of UNIX, plus Windows. The product title for Oracle 11 gR2 on Windows (32-bit), as an example, is “ Oracle Database Gateways 11 g Release 2 (11.2.0.1.0) for Microsoft Windows (32-bit)” and is found under the download section for Databases at OTN. The key part of this connection architecture is based on ODBC.Ī new (since Oracle 11 gR1) piece of this setup involves downloading and installing DG4ODBC resources into an existing Oracle RDBMS installation. The new and improved method is named Database Gateways, and the name reference is commonly seen as DG4ODBC (or dg4odbc). Connecting Oracle Database to external data sources was formerly handled using OHS, or Oracle Heterogeneous Services. Setting up a connection to Oracle Database from SQL Server is fairly easy, but the opposite is not so true. Steve Callan walks you through a complete example of how to access SQL Server from Oracle Database using, named Database Gateways (Oracle’s new and improved method). I also tried setting the CLASSPATH environment variable.Īnd voila, I have a SQLServer tab and a Sybase tab.Setting up a connection to Oracle Database from SQL Server is fairly easy, but the opposite is not so true. I found in the sqldeveloper\extensions directory. I even included in the list the .jar file I have added the jar files in 'Third Party JDBC Drivers' following the I have downloaded and installed the Microsoft JTDS JBDC drivers. I am using Oracle SQL Developer 3.0.04 on Window XP SP2 When I try to create a new database connection. Seemed like no matter what I try with SQL Developer, I only see an Oracle and an Access tab In hopes of saving others a bit of frustration, I thought I would share my struiggle with getting SQL Developer to connect to SQL Server. It contains a demonstration "Creating a connection to Microsoft SQL Server". įor further reading I recommend to start on this page: Select the jar file for the JTDS driver you downloaded from. In SQL Developer, if you have not already installed the JTDS driver using Check for Updates (on the Help menu), do the following:Ĭlick Tools, then Preferences, then Database, then Third Party JDBC Drivers. For example, if the user can execute a stored procedure but does not have sufficient privileges to see the source code, the stored procedure cannot be captured.Įnsure that you can connect to the Microsoft SQL Server or Sybase Adaptive Server database from the system where you have installed SQL Developer.Įnsure that you have downloaded the JTDS JDBC driver from. This user must be able to see any objects to be captured in the Microsoft SQL Server or Sybase Adaptive Server database objects that the user cannot see are not captured. To configure a Microsoft SQL Server or Sybase Adaptive Server database for migration:Įnsure that the source database is accessible by the Microsoft SQL Server or Sybase Adaptive Server user that is used by SQL Developer for the source connection. 1.7K Training / Learning / Certificationĭid you read the following from the SQL Developer online help:īefore Migrating From Microsoft SQL Server or Sybase Adaptive Server.165.3K Java EE (Java Enterprise Edition).7.9K Oracle Database Express Edition (XE). ![]() 3.8K Java and JavaScript in the Database.
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