f7bee458_Test_Apply____Load_Learn__Blog__Locks
[0] Jurisdiction [Latches] Apply only to data structures in the Sga. Protect memory objects, which are temporary. Control access to a memory structure for a single operation. Not transactional. [Locks] 
Protect database objects such as tables, data blocks, and state objects. Apllication driven and control access to data or metadata in the database. Transactional.
02 | January | 2007 | Extract(Read) > Transform(Test&Apply) > Load(Learn) Blog
Locks