16. What is a synonym?
A synonym is an alias for a table, view, sequence or program unit.
17. What are the types of synonyms?
There are two types of synonyms private and public.
18. What is a private synonym?
Only its owner can access a private synonym.
19. What is a public synonym?
Any database user can access a public synonym.
20. What are synonyms used for?
- Mask the real name and owner of an object.
- Provide public access to an object
- Provide location transparency for tables, views or program units of a remote database.
- Simplify the SQL statements for database users.
Monday, June 2, 2008
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment