SQL Exercise: List the employees who joined in the month January
SQL employee Database: Exercise-18 with Solution
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18. From the following table, write a SQL query to find out which employees joined in the month of January. Return complete information about the employees.
Sample table: employees
Pictorial Presentation:
Sample Solution:
SELECT *
FROM employees
WHERE to_char(hire_date, 'mon')='jan';
Sample Output:
emp_id | emp_name | job_name | manager_id | hire_date | salary | commission | dep_id --------+----------+----------+------------+------------+---------+------------+-------- 69324 | MARKER | CLERK | 67832 | 1992-01-23 | 1400.00 | | 1001 (1 row)
Explanation:
The said query in SQL that selects all columns and rows from the 'employees' table where the month of the hire date is January.
The "to_char" function converts the "hire_date" column to a string representation of the month using the 'mon' format. The comparison operator '=' is then used to compare this string to the string 'jan'.
Practice Online
Sample Database: employee
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