The scriptable data source lets the developer develop a source code generating a dataset in various languages. As in the previous data sources, you can create multiple queries and manage the addition/deletion of queries.

The external data source is used when a report is used in .xaction. You can refer to the official documentation for the (few) documents about this data source. Pentaho action sequence XML documents (.xaction) define activities such as database queries, report generation, and email actions, and the order in which they occur.

The sequence generator develops a sequence to be used in your report. As in previous data sources, you can create multiple queries and manage the addition/deletion of queries. For each query, you can define the group (numeric or system), the sequence...