It is effective to completely uninstall DB2 on Windows and UNIX/Linux platforms

The steps required to completely uninstall DB2 Windows on Windows and UNIX/Linux platforms to remove DB2 products from Windows operating systems. This task should be executed only when you no longer need an existing DB2 instance or database. Www.2cto.com if you are uninstalling the default copy of DB2 and you have other copies of DB2 on the system, you should use the db2swtch command to select a new default copy before resuming the uninstallation. Also, if the database management server (DAS) is running under the copy to be removed, the DAS should be moved to the copy that will not be removed. Otherwise, you will have to use the db2admin create command to recreate the DAS after uninstalling it, and may have to reconfigure the DAS to make some functions work. Remove DB2 from Windows: 1. Delete all databases. You can use the "control center" or drop database Command to delete a database. If the database is deleted, all data will be lost. 2. Stop all DB2 processes and services. You can use the "service" Panel of Windows or issue the db2stop command to complete this task. If you try to remove the DB2 product without stopping the DB2 service and process, you will receive a warning that contains a list of processes and services with DB2 DLL stored in the memory. 3. You can use the following two options to remove DB2 products: Add/delete programs can be accessed through the "control panel" of Windows, and use the "Add/delete programs" window to remove DB2 products. The db2unins command can run the db2unins command to remove DB2 products. You can use this command to uninstall multiple DB2 products when the/p parameter is added. You can also use the/u parameter to silently uninstall the DB2 product, which removes the DB2 product specified in the response file. However, using the "Add/delete programs" function in the "control panel" or using the db2unins/p command or the db2unins/u command does not always remove DB2 products. The following uninstall option should be used only when all of the above methods fail. To forcibly remove all DB2 copies in Windows, run the db2unins/f command. This command forcibly uninstalls all DB2 copies on the system. All resources except user data (for example, DB2 database) will be forcibly deleted. The command for my mountain village is as follows: www.2cto.com 1 set db2instance = db22 db2 list db directory3 db2 drop db xxx4 db2idrop db215 set db2instance = db2226 db2 list db directory7 db2 drop db xxx8 db2admin9 db2admin stop10 db2admin drop restart is very important: Finally, restart the computer system and uninstall it. You can reinstall DB2 or other software on this computer. Uninstall DB2 on Linux and UNIX platforms: 1. Optional. Delete all databases. You can use the control center (only applicable to Linux) or drop database Command to delete a database. When you delete an instance but do not delete the database first, the database files are complete on the file system. 2. Stop the DB2 Management Server 3. To stop a DB2 instance, see: http://publib.boulder.ibm.com/infocenter/db2luw/v9/index.jsp Author Wu weilong