The recovery scheme must also provide

Related MCQs

• For correct behaviour during recovery, undo and redo operation must be
• During recovery from a failure
• Which are types of recovery control techniques:
• Which of the following are introduced to reduce the overheads caused by the log- based recovery?
•                              is used to minimize unnecessary redos during recovery.
• If a relation scheme is in BCNF, then it is also in
• Which among the following are the functions that any system with a user interface must provide?
• In the                        scheme, a transaction that wants to update the database first creates a complete copy of the database.
• The                          scheme uses a page table containing pointers to all pages; the page table itself and all updated pages are copied to a new location.
•                      scheme that records only information about dirty pages and associated information and does not even require of writing dirty pages to disk.