Data Administration

Data Administration

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Data Administration

Data Administration Quiz

1 / 25

In precedenceĀ  Ā of setĀ  operatorsĀ  theĀ  expression is evaluated from;-

2 / 25

A search keyĀ  containingĀ  Ā more thanĀ  one attributeĀ  is referredĀ  to as a __________ search key ;-

3 / 25

Large collection of files is called ;-

4 / 25

Which oneĀ  isĀ  Ā based on multi valuedĀ  dependency ;-

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__________Ā  table storeĀ  informationĀ  aboutĀ  Ā databaseĀ  or about theĀ  Ā system :-

6 / 25

A data dictionary is created when a _______ created:-

7 / 25

The total participationĀ  by entitiesĀ  Ā isĀ  represented in ER diagram as :-

8 / 25

A report generator is used to:-

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The ______________ system isĀ  widelyĀ  used forĀ  mapping fromĀ  JavaĀ  objectĀ  to relations:-

10 / 25

Which are types ofĀ  recoveryĀ  controlĀ  techniques:-

11 / 25

What are the ways of dealing with deadlock:-

12 / 25

For each attribute of a relation there isĀ  a set of permitted values, called the _____________ of that attribute ;-

13 / 25

The ___________ layer which providesĀ  aĀ  high levelĀ  view ofĀ  data and action on data ;-

14 / 25

In an entity relationship Diagram Rectangles represent:-

15 / 25

A relational database is composed of one or more:-

16 / 25

Which one is a data model :-

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TheĀ  ___________Ā  operatorĀ  preservesĀ  unmatchedĀ  rowsĀ  of theĀ  relations beingĀ  joined ;-

18 / 25

The minimal set ofĀ  super key is called :-

19 / 25

A candidate key is a minimal super key:-

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Which type of join returnĀ  only the rows that have matching valuesĀ  in both tables:-

21 / 25

____________ clause is an additional filter that is applied to the result;-

22 / 25

Natural join can be related with:-

23 / 25

How many basic operations performed on DBMS:-

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______________ refer to theĀ  Ā correctnessĀ  andĀ  completenessĀ  of the dataĀ  in a database ;-

25 / 25

Modify operation is likely to be done after:-

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