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6:  

Match List-I with List-II and select the correct answer using the codes given below the lists:

     List-I                                                                 List-II

A. Primary index                                             1. Dense
B. Clustered index                                         2. sparse
C. Secondary key index
D. Secondary non key index.

A    B    C    D

A.

2 1 1 2
B.

I 1 2 1
C.

1 2 2 1
D.

2 2 1 1
 
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Option: C

Explanation :

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majeed said: (4:35pm on Tuesday 23rd September 2014)
ans is d

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7:  

The order of an internal node in a B* tree index is the maximum number of children it can have. Suppose that a child pointer takes 6 bytes, the search field value takes 14 bytes, and the block size is 512 bytes. What is the order of the internal node?

A.

24
B.

25
C.

26
D.

27
 
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Option: C

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sunitha joshi said: (12:39pm on Thursday 4th April 2013)
how is it calculated? any formula plz suggest

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8:  

A clustering index is defined on the fileds which are of type

A.

Non-key and ordering
B.

Non-key and non-ordering
C.

Key and ordering
D.

Key and non-ordering
 
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Option: A

Explanation :

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Syllabus covered in this section is-

  • E- R diagrams and their transformation, to relational design
  •  Normalization - l NF, 2NF, 3NF
  •  BCNF and 4NF.Limitations of 4NF and BCNF
  • SQL :Data Definition Language (DDL) , Data Manipulation Language (DML), Data Control Language· (DCL)-
  • Database objects like Views, indexes, sequences, synonyms, Data dictionary
  • Database Concepts
  • Data Models,
  • Design of Relational Database
  • Query Processing and Optimization
  • Centralized and Distributed Database
  •  Security.
  •  Concurrency and Recovery in Centralized and Distributed Database Systems,
  • Object Oriented Database Management
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