MySQL MCQs with answers Page - 5

Here, you will find a collection of MCQ questions on MySQL. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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A

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Q. A view can refer to multiple tables via

  • (A) SELECT
  • (B) GROUP
  • (C) UNION
  • (D) JOIN

A

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Q. What is abc in the following statement?

Code: 
CREATE VIEW xyz (abc) AS SELECT a FROM t;
  • (A) view
  • (B) database
  • (C) column name
  • (D) row name

A

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Q. What is xyz in the following statement?

Code: 
CREATE VIEW xyz AS SELECT a, b FROM t;
  • (A) column
  • (B) database
  • (C) table
  • (D) view

A

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Q. A View can be used to select a subset of the table columns.

  • (A) False
  • (B) True
  • (C) ---
  • (D) ---

A

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Q. Which of these is also known as a virtual table?

  • (A) JOIN
  • (B) VIEW
  • (C) DATABASE
  • (D) SCHEMA

A

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Q. Without LOCAL, LOAD DATA is

  • (A) arbitrary
  • (B) less efficient
  • (C) more efficient
  • (D) same speed

A

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Q. Which of the following is more efficient?
LOAD DATA, INSERT

  • (A) INSERT
  • (B) indeterminate
  • (C) same
  • (D) LOAD DATA

A

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Q. The function used to convert a string to an int is

  • (A) INET_ITOS()
  • (B) INET_STOI()
  • (C) INET_ATON()
  • (D) INET_NTOA()

A

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Q. The function used to convert an int to string is

  • (A) INET_STOI()
  • (B) INET_ATON()
  • (C) INET_NTOA()
  • (D) INET_ITOS()

A

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Q. What is used to perform analysis of key values by the server?

  • (A) PERFORM ANALYSIS
  • (B) PERFORM TABLE ANALYSIS
  • (C) ANALYZE KEYS
  • (D) ANALYZE TABLE

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