When creating Aggregate tables in the OBI repository by using the Aggregate Persistence Wizard, which two statements are true? 

The analyst must first write DML (Data Manipulation Language) scripts to create the aggregate table. 

The Aggregate Persistence Wizard enables you to automate the creation of physical aggregate tables and their corresponding objects in the repository. 

Job Manager can be used to run the Aggregate Persistence script. 

The Extraction Transformation and Loading process creates the aggregate tables.