Question

Consider a database consisting of 10 consecutive disk blocks (block 1, block 2, . . ., block 10). Show the buffer state and a possible physical ordering of the blocks after the following updates, assuming that shadow paging is used, that the buffer in main memory can hold only three blocks, and that a least recently used (LRU) strategy is used for buffer management.
Read block 3
Read block 7
Read block 5
Read block 3
Read block 1
Modify block 1
Read block 10
Modify block 5


$1.99
Sales0
Views337
Comments0
  • CreatedJanuary 29, 2011
  • Files Included
Post your question
5000