SQL Exercise: Without the spaces, count each employee name characters

Last update on December 20 2024 12:00:04 (UTC/GMT +8 hours)

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8. From the following table, write a SQL query to count the number of characters except the spaces for each employee name. Return employee name length.

Sample table: employees

Pictorial Presentation:

Sample Solution:

SELECT length(trim(emp_name))
FROM employees;

Sample Output:

 length
--------
      7
      5
      5
      5
      7
      5
      8
      6
      4
      6
      6
      6
      6
      6
(14 rows)

Explanation:

The given query in SQL that selects the length of the trimmed employee names for all rows in the 'employees' table.

In the "trim" function, leading or trailing spaces are removed from the employee name, and the "length" function returns the length.

Practice Online

Sample Database: employee

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