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Placement Questions & Answers :: Virtusa

61. The most open source DBMS

Answer: MySQL

Explanation:

Here is no explanation for this answer

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62. A step by step instruction used to solve a problem is know as

Answer: An Algorithm

Explanation:

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63. public class MyField{
String s;
public static void main(String argv[]){
MyField m = new MyField();
m.amethod();
}
void amethod(){
System.out.println(s);
}
}

Answer: Output of null

Explanation:

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64. In software application development, who is responsible to write unit test case and integration test case:

Answer: QA Team

Explanation:

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65. Software Testing with real data in real environment is known as

Answer: regression testing

Explanation:

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66. The _____ connective tests for set membership, where the set is a collection of values produced by a select clause. The ______ connectivity tests for the absence of set membership.

Answer: In, not in

Explanation:

In, not in

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67. Which of the following is not the function of client?

Answer: Query optimization

Explanation:

Query optimization

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68. Which of the following modifier cannot be applied to the declaration of a field (Member of a class)?

Answer: abstract

Explanation:

abstract

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69. The SQL statement to change the table definition

Answer: alter

Explanation:

alter

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70. Which of the following diagram is time oriented?

Answer: Sequence

Explanation:

Sequence

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