Database Management System20765 marksTwo-Phase Locking Technique
What is Granularity of data items? How does it effect in concurrency control?
What is Granularity of data items? How does it effect in concurrency control? [5]
A database is basically represented as a collection of named data items. The size of a data item is called its granularity. A data item can be defined at different levels of size, for example: Granularity Level Example ------ Fine (Small) An individual field (attribute) value of a record Medium A...