Select and load data from an Apache Spark database
Once you have created a connection to an Apache Spark database, you can select data and load it into a Qlik Sense app. In Qlik Sense, you load data through the Add data dialog or the Data load editor.
Qlik Sense: Apache Spark database properties
|Database||Shows the databases (catalogs) on the server if the corresponding option is turned on in the connection dialog.|
|Owner||Shows the owners of tables in the database if the corresponding option is turned on in the connection dialog.|
Shows the tables associated with the selected owner.
Selecting a table will cause the table fields to be displayed in the Data preview tab.
Shows a preview of the fields and data of the selected table.
Shows a table of the fields and whether they are primary keys. Primary key fields are also labeled with a key icon beside the field name.
Lists the fields in each selected table. If the table name check box is selected, all the fields in the table are automatically selected. If you click only the table name, fields are displayed but not selected. They can then be selected individually.
You can also change the field name by clicking on the existing field name. The new name is then used as an alias for the name the field has in the database.
Shows a field where you can enter filter criteria.
|Filter fields||Displays a field where you can filter on field names|
|Hide script/Preview script||Shows or hides the load script that is automatically generated when table and field selections are made.|
|Include LOAD statement||
Adds a LOAD statement before the SELECT statement.
Opens the Associations view of the Data manager.
Allows you add more data sources, fix any errors in your data, and create table associations. This option is available only when you use Add data.
|Insert script||Inserts the script displayed in the Data preview panel into the script editor. This option is available only when you use the Data load editor.|