DB_CONNECT Function—Connect to an external database.

DB_GET_BINARY Function—Connect to an external database.

DB_SQL Function—Query the database with SQL SELECT statements and import the results into a PV‑WAVE table.

DB_DISCONNECT Procedure—Disconnect from the database.

NULL_PROCESSOR Function—Facilitates the use of the Null_Info keyword for the DB_SQL function by extracting the list of rows containing missing for one or more columns.