Software Programming : Database Management QUESTIONS AND ANSWERS :: part2 : 6 to 10
Following Software Programming language Entrance Multiple choice objective type questions and answers will help you in Software Programming 2024 examinations :
6.When a regular entity type contains a multivalued attribute, one must |
| Create a single relation with multiple lines for each instance of the multivalued attribute |
| Create two new relations, one containing the multivalued attribute |
| Create two new relations, both containing the multivalued attribute |
| Crate three new relations |
| None of the above. |
7.Which protocol ensures conflict serializability? |
| Value based protocol |
| Read based protocol |
| Timestamp based protocol |
| Validation based protocol |
| All (opt1), (opt2), (opt3) and (opt4) above. |
8.DBMS periodically suspends all processing and synchronizes its files and journals through the use of |
| Checkpoint facility |
| Backup facility |
| Recovery manager |
| Database change log |
| Shadow paging. |
9.A type of query that is placed within a WHERE or HAVING clause of another query is called |
| Master query |
| Query |
| Superquery |
| Multi-query |
| Subquery. |
10.Which of the following technique is an alternative to log based recovery? |
| Check points |
| Locks |
| Page based |
| Recovery with current transactions |
| Shadow paging. |
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