Glossary

The following table shows the Glossary descriptions:

Term	Description
Authentication	The process of verifying identity by validating a user or role identity using a username and password.
Authorization	Defines the set of actions that an authenticaed role can perform after gaining access to the system.
Catalog	A set of views containing metadata information about objects in a database.
Cluster	A SQream deployment containing several workers running on one or more nodes.
Custom connector	When SQream is integrated with Power BI, used for running direct queries.
Direct query	A Power BI data extraction method that retrieves data from a remote source instead of from a local repository.
Import	A Power BI data extraction method that retrieves data to local repository to be visualized at a later point.
Metadata	SQream’s internal storage containing details about database objects.
Node	A machine used to run SQream workers.
Role	A group or a user. For more information see SQream Studio.
Storage cluster	The directory where SQream stores data.
Worker	A SQream application that responds to statements. Several workers running on one or more nodes form a cluster.