Reference
 
This chapter describes each of the PV‑WAVE Database Connection routines.
*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.