# CachedMetaData

The cached meta-data element contains cached derived data attributes of a data set.

### Description

Cached derived data attributes of a data set. The BIRT designer uses the cached information until the user initiates refresh and reconciles with the latest derived data attributes provided by the connected data source. This property is used during report design time only; its content is maintained by the BIRT designer tool.

### See Also

## resultSet

Provides the columns definition in the expected result set. Its definition is obtained from a data extension.

### Description

Derived result set columns definition provided by the underlying data provider.

### See Also

`ResultSetColumn` structure

## parameters

Provides the input parameters definition obtained from a data extension.

### Description

Derived input and/or output parameters definition provided by the underlying data provider.

### See Also

`DataSetParam` structure