Verifying Database Engine is Running
To verify that the PSQL engine is running, see the procedure for your platform and engine:
•
PSQL Server on Windows
•
PSQL Workgroup on Windows
•
PSQL Server on Linux or OS X
PSQL Server on Windows
You can use the Services function of the Windows control panel.
►
To check PSQL Services on Windows servers using the Control Panel
1
At the operating system, open Services under Administrative Tools.
2
Scroll the list of services until you reach the following services.
•
PSQL Transactional Engine
•
PSQL Relational Engine
Both of these services must be started if PSQL is to function correctly.
The Status column displays whether or not the service is currently running. The Startup column indicates whether the service is set to automatically start on system startup or start manually.
Figure 7 Displaying the Services Status
3
If a service is not started, right-click the service name, then click Start.
PSQL Workgroup on Windows
To verify that the PSQL Workgroup engine is running:
►
To start the PSQL Workgroup engine
1
Click Start Workgroup Engine from the operating system Start menu or Apps screen.
By default, the MicroKernel allocates resources and is ready to service local application database requests.
►
To stop the PSQL Workgroup engine
1
Click Stop Workgroup Engine from the operating system Start menu or Apps screen.
*Note: You will receive a warning message when trying to stop the engine if any of the following is true:

- There are active clients.
- No activity took place since the engine was loaded.
- Fewer than 10 seconds have elapsed since the last operation took place.
PSQL Server on Linux or OS X
You can verify that the engine (mkded) is running with the Linux ps utility.
Run the following at a command line:
ps -e | egrep 'mkded'
►
To start the PSQL services
Run the following at the command line under the root user account:
etc/init.d/psql start