MySQL MCQs with answers Page - 9

Dear candidates you will find MCQ questions of MySQL here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
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📊 MySQL
Q. If no database has been selected, specifying a database qualifier is necessary.
  • (A) False
  • (B) True
  • (C) ----
  • (D) ----
💬 Discuss
✅ Correct Answer: (B) True
📊 MySQL
Q. What does a fully qualified table name consist of?
  • (A) only the database name
  • (B) only the table name
  • (C) database name followed by table name
  • (D) table name followed by database name
💬 Discuss
✅ Correct Answer: (C) database name followed by table name
📊 MySQL
Q. What is the maximum length for alias names in terms of characters?
  • (A) 32
  • (B) 64
  • (C) 128
  • (D) 256
💬 Discuss
✅ Correct Answer: (D) 256
📊 MySQL
Q. Which server mode value disables use of built in function names as identifiers?
  • (A) TRADITIONAL
  • (B) IGNORE_SPACE
  • (C) IGNORE_FUNC
  • (D) ANSI
💬 Discuss
✅ Correct Answer: (B) IGNORE_SPACE
📊 MySQL
Q. Which server mode value enables use of double quotes to wrap identifier names?
  • (A) PIPES_AS_CONCAT
  • (B) ANSI
  • (C) ANSI_QUOTES
  • (D) TRADITIONAL
💬 Discuss
✅ Correct Answer: (C) ANSI_QUOTES
📊 MySQL
Q. Which of the following is an illegal unquoted identifier name?
  • (A) id1
  • (B) 123
  • (C) 123id
  • (D) 123_id
💬 Discuss
✅ Correct Answer: (D) 123_id
📊 MySQL
Q. How are identifiers quoted in MySQL?
  • (A) double quotes
  • (B) backticks
  • (C) can’t be quoted
  • (D) single quotes
💬 Discuss
✅ Correct Answer: (B) backticks
📊 MySQL
Q. In MySQL, identifier names can start with a digit.
  • (A) False
  • (B) True
  • (C) NA
  • (D) NA
💬 Discuss
✅ Correct Answer: (B) True
📊 MySQL
Q. Which of the following characters is illegal in naming an unquoted identifier in SQL?
  • (A) .
  • (B) 2
  • (C) _
  • (D) $
💬 Discuss
✅ Correct Answer: (C) _
📊 MySQL
Q. In MySQL databases, the structure representing the organizational views of the entire databases is ____________.
  • (A) Table
  • (B) Instance
  • (C) View
  • (D) Schema
💬 Discuss
✅ Correct Answer: (D) Schema

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