Use of Locks
Record locks need to be managed between the entities requesting the records such that no entity is given too much service via successive grants, and no other entity is effectively locked out. The entities that request a lock can be either individual applications (programs) or an entire processor.
The application or system should be designed such that any lock is held for the shortest time possible. Data reading, without editing facilities, does not require a lock, and reading locked records is usually permissible.
Two main types of locks can be requested:
Read more about this topic: Record Locking
Famous quotes containing the word locks:
“Nodding, its great head rattling like a gourd,
And locks like seaweed strung on the stinking stone,
The nightmare stumbles past,”
—Robert Penn Warren (1905–1989)