execute a query on previously opened connection
DbQuery(query) DbQuery(dblink, query)
a pointer to database connection object (returned by DbConnect())
a string value of query executed
DbQuery()
executes a query on default connection and returns a pointer to result handler or results in an error if a query cannot be executed.
DbDisconnect(dblink)
executes a query on previously opened connection, represented by dblink pointer and returns a pointer to result handler
or results in an error if a query cannot be executed.