Question 1
Which level of abstraction is responsible for providing data security by limiting access to specific data views?
Physical level
Logical level
View level
Physical level and Logical level
Which level of abstraction is responsible for providing data security by limiting access to specific data views?
Physical level
Logical level
View level
Physical level and Logical level
Consider the relation student shown in Table 5.
| roll_no | name | house_name |
|---|---|---|
| 1 | John | Nilgiri |
| 2 | Ramesh | Nilgiri |
| 3 | Dilip | Arawali |
| 4 | Suresh | Shiwalik |
| 5 | Kiran | Udaygiri |
| 6 | Vijay | Nilgiri |
Table 5: Relation student
Which of the following SQL command is used to provide INSERT authorization of the table student to instructor.
Consider the tables Products and Suppliers given below:
| P_ID | P_Name | S_ID |
|---|---|---|
| 1 | Laptop | 3 |
| 2 | Smartphone | 2 |
| 3 | Tablet | 3 |
| 4 | Headphones | 1 |
Table 1: Products
| S_ID | S_Name |
|---|---|
| 1 | Sony |
| 2 | Samsung |
| 3 | Apple |
Table 2: Supplier
Now consider the SQL query given below:
Select *From Products P, Supplier SWhere P.P_ID<>S.S_IDHow many attributes and rows will be present in the resultant output table?
4 attributes and 9 rows
5 attributes and 8 rows
4 attributes and 8 rows
5 attributes and 9 rows
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The IIT Madras BS Database Management Systems (DBMS) Quiz 1 paper sat on 23 Feb 2025, in the January 2025 term: 14 questions for 50 marks in 120 minutes. The first 3 questions are below. Sign in with Google — it is free — to see the whole paper with its answers and explanations, in learning mode or as a timed mock test.
| Feature | DBMS Quiz 1 23 Feb 2025 at a glance |
|---|---|
| Term | January 2025 term |
| Subject | Database Management Systems |
| Course code | BSCS2001 |
| Questions | 14 |
| Marks | 50 |
| Duration | 120 min |
| MCQ | 9 |
| MSQ | 3 |
| Numerical | 2 |
| Official paper | IIT M DIPLOMA AN EXAM QDD2 23 Feb 2025 |
| Negative marking | No negative marking. |
| Updated |