# Uses of Class
org.apache.torque.adapter.AbstractAdapter

Packages that use AbstractAdapter
Package
Description
org.apache.torque.adapter
Adapters between Torque and various databases.

- ## Uses of AbstractAdapter in org.apache.torque.adapter

  Subclasses of AbstractAdapter in org.apache.torque.adapter
  Modifier and Type
  Class
  Description
  `class`
  `DerbyAdapter`
  This is used to connect to an embedded Apache Derby Database using the supplied JDBC driver.
  `class`
  `HsqldbAdapter`
  This is used to connect to Hsqldb databases.
  `class`
  `MssqlAdapter`
  This is used to connect to a MSSQL database.
  `class`
  `MysqlAdapter`
  This is used in order to connect to a MySQL database using the MM drivers.
  `class`
  `NoneAdapter`
  This DatabaseHandler is used when you do not have a database installed.
  `class`
  `OracleAdapter`
  This code should be used for an Oracle database pool.
  `class`
  `PostgresAdapter`
  This is used to connect to PostgresQL databases.