MySQL String Functions Quiz
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Questions and Answers

What does the LTRIM function do in MySQL?

  • Returns the string with leading (starting) removed (correct)
  • Returns the rightmost 'n' characters from the string
  • Returns the leftmost 'n' characters from the string
  • Returns the substring of 'n' characters long from the given string

    • What does the UCASE/UPPER function do in MySQL?

  • Return the rightmost 'n' characters from the string
  • Return the leftmost 'n' characters from the string
  • Change all alphabets to lowercase
  • Change all alphabets to uppercase (correct)

    • What does the SUBSTRING/MID function do in MySQL?

  • Returns the substring of 'n' characters long from the given string, starting at position 'm' (correct)
  • Change all alphabets to uppercase
  • Returns the rightmost 'n' characters from the string
  • Change all alphabets to lowercase

    • What does the LCASE/LOWER function do in MySQL?

    <p>Returns the string with all alphabets changed to lowercase</p> Signup and view all the answers

    What does the RIGHT function do in MySQL?

    <p>It returns the rightmost 'n' characters from the string</p> Signup and view all the answers

    What does the UCASE/UPPER function do in MySQL?

    <p>Returns the string with all alphabets changed to uppercase</p> Signup and view all the answers

    What does the LTRIM function do in MySQL?

    <p>Returns the string with leading (starting) removed</p> Signup and view all the answers

    What does the RIGHT function do in MySQL?

    <p>Returns the rightmost 'n' characters from the string</p> Signup and view all the answers

    What does the SUBSTRING/MID function do in MySQL?

    <p>Returns the substring of 'n' characters long from the given string</p> Signup and view all the answers

    What does the LCASE/LOWER function do in MySQL?

    <p>Returns the string with all alphabets changed to lowercase</p> Signup and view all the answers

    Study Notes

    String Functions in MySQL

    Trimming and Case Conversion

    • LTRIM function removes leading spaces from a string
    • UCASE/UPPER function converts a string to uppercase
    • LCASE/LOWER function converts a string to lowercase

    Substring Extraction

    • SUBSTRING/MID function extracts a part of a string, starting from a specified position and with a specified length

    String Extraction

    • RIGHT function returns the rightmost characters of a string, with a specified length

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    Quiz Team

    Description

    Test your knowledge of MySQL built-in string functions such as LCASE, UCASE, and LEFT with this quiz. Identify the correct usage and syntax for manipulating strings in MySQL queries.

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