Campus Placement Papers of Virtusa
71 / 120
The beginning and end of a literal string value in a SQL Server command is denoted by:
A(some string)
B[some string]
C'some string'
D"some string"
Answer: Option C
Explanation:'some string'
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72 / 120
Debugging is
ACreate program code
BFinding and correcting errors in the program code
CIdentifying the task to be computerized
DCreating the algorithm
Answer: Option B
Explanation:Here is no explanation for this answer
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73 / 120
Which two statements about views are true? (Choose two.)
AA view can be created as read only.
BA view can be created as a join on two or more tables.
CA view cannot have an ORDER BY clause in the SELECT statement.
DA view cannot be created with a GROUP BY clause in the SELECT statement.
EBoth A & B
Answer: Option E
Explanation:Here is no explanation for this answer
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74 / 120
In an Object Oriented system, if class A inherits its properties from class B, class A and B are known as _______________ and ___________ class respectively.
ASuper and Sub
Boverloading and overriding
CSub and Super
DNone
Answer: Option C
Explanation:Here is no explanation for this answer
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75 / 120
A subquery in an SQL SELECT statement:
Acan only be used with two tables.
Bcan always be duplicated by a join.
Chas a distinct form that cannot be duplicated by a join.
Dcannot have its results sorted using ORDER BY.
Answer: Option C
Explanation:Here is no explanation for this answer
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76 / 120
The SQL keyword BETWEEN is used:
Afor ranges.
Bto limit the columns displayed.
Cas a wildcard.
DNone of the above is correct.
Answer: Option A
Explanation:Here is no explanation for this answer
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77 / 120
SQL is:
Aa programming language.
Ban operating system.
Ca data sublanguage.
Da DBMS.
EBoth A & C
Answer: Option E
Explanation:Here is no explanation for this answer
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78 / 120
What does a simple name in UML Class and objects consists of ?
ALetters
BDigits
CPunctuation Characters
DAll of the mentioned
Answer: Option D
Explanation:A simple name consists of letters, digits and punctuation characters.
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79 / 120
What Does a Composite name consists of in a UML Class and object diagram ?
ADelimiter
BSimple names
CDigits
DAll of the mentioned
Answer: Option D
Explanation:Composite name consists of sequence of simple names and simple names already consists of digits.
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80 / 120
The reason for software bugs and failures is due to
ASoftware companies
BSoftware Developers
CBoth A and B
DNone
Answer: Option C
Explanation:Software companies are responsible for making policies and providing working atmosphere for the software development, so in turn these companies become a part of software development process.Bugs from developers side is no new thing. Thus option c answers the question.
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