Dataset in DataLens

A dataset describes a set of data and its structure.
Data in a dataset is represented as fields.

DataLens creates a dataset based on a data source that has a connection.

A dataset works with sources in direct access mode: DataLens runs all data queries on the source side.

To learn more about datasets and dataset operations, see:

• Data model in DataLens

• Data types DataLens

• Data type mapping table

• Dataset settings

• Step-by-step guides:

  • Creating a dataset
  • Combining data from multiple tables
  • Creating a field
  • Creating a calculated field
  • Creating a default filter for new charts
  • Replacing a connection in a dataset
  • Updating fields in datasets
  • Describing a dataset via a source SQL query
  • Adding parameters to a dataset