CS403 Quiz 4 2026 by Iqra Azhar

CS403 · Quiz No.4 Jan 2026 · VU Zone | Iqra Azhar Official · Our Services ·  Assignments (All Subjects) ·  Quizzes & GDBs (All Subjects) ·  Lecture Views Assistance ·  Online Book Shop ·  Seminar

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90% To 100% Marks

Q1. Which of the following is incorrect about ALTER TABLE statement?

1. Can be used to delete a column
2. Cannot be used to modify type or size of an existing column ✅
3. Can be used to add column in the existing table
4. Can not be used to create a new table

Q2. A memory cache, sometimes called a cache store or __________.

1. RAM ✅
2. DROM
3. Hard disk
4. ROM

Q3. Which of the following is a String function in SQL?

1. SQRT
2. LEN ✅
3. SIN
4. COUNT

Q4. Identify the basic part(s) of a SELECT statement?

1. DISTINCT
2. Both SELECT and FROM ✅
3. FROM
4. SELECT

Q5. DML does not used to:

1. alter a table definition ✅
2. modify the rows of tables
3. add new rows to tables
4. retrieve rows from table