MySQL MCQs with answers Page - 9

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. Which of the following is an illegal unquoted identifier name?

  • (A) id1
  • (B) 123
  • (C) 123id
  • (D) 123_id

A

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Q. How are identifiers quoted in MySQL?

  • (A) double quotes
  • (B) backticks
  • (C) can’t be quoted
  • (D) single quotes

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Q. In MySQL, identifier names can start with a digit.

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

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Q. Which of the following characters is illegal in naming an unquoted identifier in SQL?

  • (A) .
  • (B) 2
  • (C) _
  • (D) $

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Q. In MySQL databases, the structure representing the organizational views of the entire databases is ____________.

  • (A) Table
  • (B) Instance
  • (C) View
  • (D) Schema

A

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Q. The MySQL server used in its client/server architecture is _______________.

  • (A) mysqlc
  • (B) mysqld
  • (C) mysqlb
  • (D) mysqla

A

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Q. Which is the MySQL instance responsible for data processing?

  • (A) Server daemon program
  • (B) SQL
  • (C) MySQL client
  • (D) MySQL server

A

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Q. What does ‘name’ represent in the following code snippet?

Code:
CREATE TABLE Employee
   (
       Emp_name CHAR(30),
       Emp_id INT(10),
       Emp_address CHAR(30),
       Emp_phone CHAR(12)
   );
  • (A) A column
  • (B) An object
  • (C) A row
  • (D) A table

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Q. How is communication established with MySQL?

  • (A) Network calls
  • (B) APIs
  • (C) SQL
  • (D) A programming language like C++

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Q. What represents a ‘tuple’ in a relational database?

  • (A) Object
  • (B) Table
  • (C) Row
  • (D) Column

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