The Data Transformation Layer provides a Java-based database adapter for use with any database that has a JDBC driver. This JDBC adapter can be used as a record adapter type to retrieve Guided Search records as rows of a SQL query result. Not all database column types are supported by this out-of-the-box JDBC adapter. See the JDBC Input Format section of Developer Studio Help for a list of supported database column types.

The Advanced JDBC Column Handler extends the set of supported database column types by providing handlers for the following column types: