SQL Relay requires Cygwin, so the first step in installing SQL Relay is to download and install Cygwin.
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Building SQL RelayIf you would rather build SQL Relay yourself, than install a prebuilt package, you may. Again, SQL Relay requires Cygwin, so the first step in building SQL Relay is to download and install Cygwin.
Cygwin comes with many optional components. I recommend installing the complete Cygwin environment to make sure that you have all of the necessary components. However, you will need at least the following components to build SQL Relay.
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Now, download and install whatever languages or databases you need SQL Relay to support. Many languages and a few databases come with Cygwin. SQL Relay supports many non-Cygwin databases and a few non-Cygwin languages. Consult the following tables for the support status of various databases and languages.
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Now, download SQL Relay and follow the standard instructions for building and installing it. Use the Cygwin shell rather than the Windows Command Line or DOS shell to build and install SQL Relay.
Running the SQL Relay ServerSQL Relay makes extensive use of shared memory and semaphores. The Cygwin IPC server simulates these facilities on Windows. Install the server as a service and start it up following the instructions here.
Once the IPC server is running, start up the database and follow the standard instructions for running SQL Relay.
Currently, there is no facility for installing SQL Relay as a service, so it must be restarted manually upon reboot.