Which of the following stores several gigabytes of data but usually lost when power failure?

Related MCQs

• ____ ensures that once transaction changes are done, they cannot be undone or lost, even in the event of a system failure.
• Let us consider phone_number ,which can take single or several values . Treating phone_numberas an                    permits instructors to have several phone numbers (including zero) associated with them.
• Let us consider phone_number ,which can take single or several values . Treating phone_numberasan _________ permits instructors to have several phone numbers (including zero) associated with them.
•                        combines the data manipulating power of SQL with the data processing power of Procedural languages.
• If several concurrent transactions are executed over the same data set and the second transaction updates the database before the first transaction is finished, the ____ property is violated and the database is no longer consistent.
• Duplication of data at several places is called as _______________.
• Each of a pair of transactions has read data that is written by the other, but there is no data written by both transactions, is referred to as
• A Web site that allows users to enter text, such as a comment or a name, and then stores it and later display it to other users, is potentially vulnerable to a kind of attack called a                                        attack.
• In magnetic disk                  stores information on a sector magnetically as reversals of the direction of magnetization of the magnetic material.
• ARIES uses a                        to identify log records, and stores it in database pages.