The three-level DBMS architecture makes database design more secure, extensible and accessible for client applications. Learn the basics of how it works, with examples.

Sometimes DBMS vendors change the format of data files, image copy backup files or log files, rendering any recovery using the old format impossible or problematic.

The SQL Procedure Pass-Through Facility is an extension of the SQL procedure that enables you to send DBMS-specific statements to a DBMS and to retrieve DBMS data. You specify DBMS SQL syntax instead ...

Note: If a dynamic LIBNAME engine is available for your DBMS, it is recommended that you use the SAS/ACCESS LIBNAME statement to access your DBMS data instead of access descriptors and view ...