Creating a Database Table data set that uses the relational database
Create a Database Table data set to query and save data in the Pega Platform relational database.
- In the header of Dev Studio, click .
- On the Create Data Set form, in the Label field, enter a name for the data set.
- In the Type list, select Database table.
- In the Context section, select the appropriate application, class, and ruleset for the data set.
- Click Create and open.
Result: The form displays the database table details, such as the table name, the database type, and the partitioning keys. The details are retrieved automatically from the class definition. Database Table data set form 
- On the Edit Data set form, in the Selectable
keys section, click Add key, and then
define a property.Add as many keys as necessary, and map each key to a property. To ensure good query performance, use properties that are mapped to an indexed database column.
- In the Partitioning key section, select a property to
distribute the data into partitions across the nodes.For more information, see Recommendations for choosing the partitioning key.
- Click Save.
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