Database Management System (DBMS) MCQs with answers Page - 55

Here, you will find a collection of MCQ questions on Database Management System (DBMS). Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Q. In precedence of set operators the expression is evaluated from:

  • (A) left to left
  • (B) left to right
  • (C) right to right
  • (D) right to left

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Q. In DBMS FD stands for _______

  • (A) facilitate data
  • (B) functional data
  • (C) facilitate dependency
  • (D) functional dependency

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Q. How many types of keys in Database Design?

  • (A) candidate key
  • (B) primary key
  • (C) foreign key
  • (D) all of these

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Q. Which of the following is based on Multi Valued Dependency?

  • (A) first
  • (B) second
  • (C) third
  • (D) fourth

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Q. Which of the following is the structure of the Database?

  • (A) table
  • (B) schema
  • (C) relation
  • (D) none of these

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Q. The minimal set of super key is called

  • (A) primary key
  • (B) secondary key
  • (C) candidate key
  • (D) foreign key

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Q. A relation that has no partial dependencies is in which normal form

  • (A) first
  • (B) second
  • (C) third
  • (D) bcnf

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Q. A functional dependency between two or more non-key attributes is called

  • (A) transitive dependency
  • (B) partial transitive dependency
  • (C) functional dependency
  • (D) partial functional dependency

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Q. The operator takes the results of two queries and returns only rows that appear in both result sets.

  • (A) union
  • (B) intersect
  • (C) difference
  • (D) projection

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Q. A is a pictorial depiction of the schema of a database that shows the relations in the database, their attributes, and primary keys and foreign keys.

  • (A) schema diagram
  • (B) relational algebra
  • (C) database diagram
  • (D) schema flow

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