
1) Database management system
Found on
https://www.crosswordclues.com/clue/tablespace

A tablespace is a storage location where the actual data underlying database objects can be kept. It provides a layer of abstraction between physical and logical data, and serves to allocate storage for all DBMS managed segments. (A database segment is a database object which occupies physical space such as table data and indexes.) Once created, a...
Found on
http://en.wikipedia.org/wiki/Tablespace
No exact match found.