Software Programming : Database Management QUESTIONS AND ANSWERS :: part12 : 11 to 15
Following Software Programming language Entrance Multiple choice objective type questions and answers will help you in Software Programming 2024 examinations :
11.The most important advantages of the hierarchical database model is/are |
| Conceptual simplicity, integrity, diversity and security |
| Security, efficiency, diversity, simplicity and integrity |
| Integrity, efficiency, diversity, independence and simplicity |
| Conceptual simplicity, security, hierarchy |
| Conceptual simplicity, security, independence, integrity and efficiency. |
12.Which of the following keyword is used with Data Control Language (DCL) statements? |
| SELECT |
| INSERT |
| DELETE |
| GRANT |
| UPDATE. |
13.State the three basic operations used to develop useful sets of data in a relational database? |
| Sort, select and report |
| Combine, relate and sort |
| Select, project and join |
| Project, combine and report |
| Join, relate and sort. |
14.Which of the following include guidelines for creating tables in a relational database? |
| Only one table in the database needs a primary key |
| The primary key need not be unique |
| Attributes may appear in several tables |
| Data must be atomic. |
| The secondary key need to be unique. |
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