# Database functions

- [CALLURL](/nedyx/clearlines-functions/database-functions/callurl.md): Returns the result of an http-based url request.
- [EXECUTE](/nedyx/clearlines-functions/database-functions/execute.md): Executes a statement for a data connector.
- [GETDATA](/nedyx/clearlines-functions/database-functions/getdata.md): Retrieves data from a data connector.
- [GETDBCOLUMNNAMES](/nedyx/clearlines-functions/database-functions/getdbcolumnnames.md): Returns the names of db columns from a widget.
- [GETSTATEMENT](/nedyx/clearlines-functions/database-functions/getstatement.md): Returns the statement (SQL, MDX or REST URI) as defined in the Connection tab.
- [INSERTDATA](/nedyx/clearlines-functions/database-functions/insertdata.md): Writes data back to a data source.