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SQL subqueries on employee Database: List the employees who joined in 1991 in a designation same as the most senior person of the year 1991

SQL subqueries on employee Database: Exercise-24 with Solution

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24. From the following table, write a SQL query to find those employees who joined in 1991 in a designation same as the most senior person of the year 1991. Return complete information about the employees.

Sample table: employees


Sample Solution:

SELECT *
FROM employees
WHERE job_name IN
    (SELECT job_name
     FROM employees
     WHERE hire_date IN
         (SELECT min(hire_date)
          FROM employees
          WHERE to_char(hire_date,'YYYY') ='1991'));

Sample Output:

 emp_id | emp_name | job_name | manager_id | hire_date  | salary  | commission | dep_id
--------+----------+----------+------------+------------+---------+------------+--------
  64989 | ADELYN   | SALESMAN |      66928 | 1991-02-20 | 1700.00 |     400.00 |   3001
  65271 | WADE     | SALESMAN |      66928 | 1991-02-22 | 1350.00 |     600.00 |   3001
  66564 | MADDEN   | SALESMAN |      66928 | 1991-09-28 | 1350.00 |    1500.00 |   3001
  68454 | TUCKER   | SALESMAN |      66928 | 1991-09-08 | 1600.00 |       0.00 |   3001
(4 rows)

Practice Online


Structure of employee Database:

employee database structure

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Previous: From the following table, write a SQL query to find those employees who are senior employees as of year 1991. Return complete information about the employees.
Next: From the following table, write a SQL query to find the most senior employee of grade 4 or 5, work under KAYLING. Return complete information about the employees.

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SQL: Tips of the Day

SQL Server SELECT into existing table. 

INSERT INTO dbo.TABLETWO
SELECT col1, col2
  FROM dbo.TABLEONE
 WHERE col3 LIKE @search_key

This assumes there's only two columns in dbo.TABLETWO - you need to specify the columns otherwise:

INSERT INTO dbo.TABLETWO
  (col1, col2)
SELECT col1, col2
  FROM dbo.TABLEONE
 WHERE col3 LIKE @search_key

Database: SQL Server

Ref: https://bit.ly/3y6tpA3