Database-Management-System
August 29, 2024Database-Management-System
August 29, 2024Database-Management-System
| Question 782 |
Global locks
| synchronize access to local resources | |
| synchronize access to global resources | |
| are used to avoid local locks | |
| prevent access to global resources |
Question 782 Explanation:
● Many of the resources protected by local locks in single-instance Oracle require global exposure in a parallel server database.
● Whenever one of these local locks is needed, a corresponding instance lock must be held as well, to protect the resource across all instances. The instance locks used to protect local locks globally are called global locks
● Whenever one of these local locks is needed, a corresponding instance lock must be held as well, to protect the resource across all instances. The instance locks used to protect local locks globally are called global locks
Correct Answer: B
Question 782 Explanation:
● Many of the resources protected by local locks in single-instance Oracle require global exposure in a parallel server database.
● Whenever one of these local locks is needed, a corresponding instance lock must be held as well, to protect the resource across all instances. The instance locks used to protect local locks globally are called global locks
● Whenever one of these local locks is needed, a corresponding instance lock must be held as well, to protect the resource across all instances. The instance locks used to protect local locks globally are called global locks