Software Programming : Database Management QUESTIONS AND ANSWERS :: part18 : 1 to 5
Following Software Programming language Entrance Multiple choice objective type questions and answers will help you in Software Programming 2024 examinations :
1.Which of the following Relational Algebra operations require that both tables (or virtual tables) involved have the exact same attributes/data types? |
| Join, Projection, Restriction |
| Multiplication and Division |
| Union, Intersection, Minus |
| Minus, Multiplication, Intersection |
| Projection, Selection, Rename. |
2.Out of the following activities, which is the one that normally performed by DBMS, without the interference of the DBA? |
| Integrity |
| Retention |
| Security |
| Granting the Privileges |
| Recovery. |
3.A type of query that is placed within a WHERE or HAVING clause of another query is called |
| Master query |
| Sub query |
| Super query |
| Multi-query |
| Co-related query. |
4.The protocol that ensures conflict serializability is |
| Time stamp ordering protocol |
| Two phase locking protocol |
| Concurrency protocol |
| Tree protocol |
| Layered Protocol. |
5.Indexes are created in most RDBMS�s to |
| Provide a quicker way to store data |
| Decrease the amount of disk space utilized |
| Provide rapid, random and sequential access to base-table data |
| Increase the cost of implementation |
| Decrease the cost of implementation. |
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