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databases Online Quiz - 193

Description: databases Online Quiz - 193
Number of Questions: 20
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Tags: databases
Attempted 0/20 Correct 0 Score 0

What is the maximum number of record types a set type can have?

  1. 43

  2. 53

  3. 63

  4. 73


Correct Option: C
  1. Database Management System

  2. Data Management System

  3. Data Maintenance System

  4. Database Manipulation System


Correct Option: C

DMS is what kind of database system?

  1. Network

  2. Hierarchical

  3. Relational

  4. None of These


Correct Option: A
  1. OPEN AREANAME USAGE-MODE IS UPDATE

  2. OPEN AREANAME USAGE MODE IS UPDATE

  3. OPEN AREANAME USAGE-MODE IS MODIFY

  4. OPEN AREANAME USAGE MODE IS MODIFY


Correct Option: A
  1. get+find

  2. find

  3. find+get

  4. none of the above


Correct Option: C
  1. Relational

  2. Hierarchial

  3. Network

  4. None of the above


Correct Option: C
  1. Error while disconnecting a record from its set

  2. Error while storing duplicates

  3. Error while connecting a record to a set

  4. Error while erasing a record


Correct Option: B
  1. No advantage

  2. eliminates aliases

  3. Natural join doesnot exist in oracle

  4. eliminates join comparision


Correct Option: B,D

State true or false All the columns in the column clause of select statment that are not in a group function must be listed in the group by clause.However,a column listed in group by clause needn't appear in column clause

  1. True

  2. False


Correct Option: A
  1. syntax error and 09/26/2009,

  2. 09/25/2009 and 09/25/2009

  3. 09/25/2009 and syntax error

  4. 09/25/2009,09/26/2009


Correct Option: D
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