Database

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LinkServer uses a relational database to store persistent data, such as:

1.	Information about User Accounts and Device Server Accounts in dedicated tables

2.	Values of all persistent context variables (properties of Alerts, Event Filters, Widgets and other system objects)

3.	History of persistent events

LinkServer communicates with the database engine using a JDBC (Java Database Connectivity) driver, so it can work with most modern Relational Database Management Systems.

The LinkServer distribution package includes an embedded database engine that is used by default. It is ideal for small installations with less than one hundred devices.

See switching to another database engine for more information on how to change type of database used by the server.

A separate group of server global configuration settings controls how LinkServer interacts with the database engine.