Which of the following conditions will you use in a WHERE clause to select all last names that start with S?

technology databases

  1. WHERE LastName = 'S*'

  2. WHERE LastName = 'S%'

  3. WHERE LastName LIKE 'S*'

  4. WHERE LastName LIKE 'S%'

Show answer
Correct Option: D

AI Explanation

To select all last names that start with 'S', you would use the LIKE operator in the WHERE clause. The correct condition to use would be:

D. WHERE LastName LIKE 'S%'

Explanation:

  • Option A: WHERE LastName = 'S*' - This condition will only select last names that are exactly 'S*'. It will not select any last names that start with 'S'.
  • Option B: WHERE LastName = 'S%' - This condition will only select last names that are exactly 'S%' (where '%' is a wildcard that represents any number of characters). It will not select any last names that start with 'S' followed by more characters.
  • Option C: WHERE LastName LIKE 'S*' - This condition is similar to Option A and will only select last names that are exactly 'S*'. It will not select any last names that start with 'S'.
  • Option D: WHERE LastName LIKE 'S%' - This condition will select last names that start with 'S' followed by any number of characters. The '%' wildcard represents any number of characters, so this condition will select all last names that begin with 'S'.

Therefore, the correct answer is D. WHERE LastName LIKE 'S%'.

Find more quizzes: