Each array declaration need not give, implicitly or explicitly, the information about

Related MCQs

• If a node is locked in                              the subtree rooted by that node is locked explicitly in shared mode, and that explicit locking is being done at a lower level with exclusive-mode locks.
• To access information from a database, you need a ___________
•                      scheme that records only information about dirty pages and associated information and does not even require of writing dirty pages to disk.
• If the attribute phone number is included in the relation all the values need not be entered into the phone number column. This type of entry is given as
• Which category of users need not be aware of the presence of the database system?
• Snapshot isolation is used to give
• A relation project guidance Project Guidance(professor, project, student no. st-name, dept) A professor can give many projects to many students A project will have many students A project may be guided by many professors The 4 NF relation corresponding to this are
• For a transaction to be durable, its changes need to be written to                  storage.
• Why do we need concurrency control on B+ trees ?
• Which of the following operations need the participating relations to be union compatible?