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SQL Exercise: List the employees working under various managers

SQL employee Database: Exercise-46 with Solution

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46. From the following table, write a SQL query to find out which employees are working under the managers 63679, 68319, 66564, or 69000. Return complete information about the employees.

Sample table: employees


Pictorial Presentation:

SQL exercises on employee Database: List the employees working under the managers 63679,68319,66564,69000

Sample Solution:

SELECT *
FROM employees
WHERE manager_id IN (63679,
                     68319,
                     66564,
                     69000);

Sample Output:

 emp_id | emp_name | job_name | manager_id | hire_date  | salary  | commission | dep_id
--------+----------+----------+------------+------------+---------+------------+--------
  66928 | BLAZE    | MANAGER  |      68319 | 1991-05-01 | 2750.00 |            |   3001
  67832 | CLARE    | MANAGER  |      68319 | 1991-06-09 | 2550.00 |            |   1001
  65646 | JONAS    | MANAGER  |      68319 | 1991-04-02 | 2957.00 |            |   2001
(3 rows)

Relational Algebra Expression:

Relational Algebra Expression: List the employees working under the managers 63679,68319,66564,69000.

Relational Algebra Tree:

Relational Algebra Tree: List the employees working under the managers 63679,68319,66564,69000.

Practice Online


Sample Database: employee

employee database structure

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Previous SQL Exercise: Employees who joined on the given days in the year 1991.
Next SQL Exercise: Employees who joined after the month of JUNE in 1991.

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SQL: Tips of the Day

Count the number of occurrences of a string in a VARCHAR field?

SELECT 
    title,
    description,    
    ROUND (   
        (
            LENGTH(description)
            - LENGTH( REPLACE ( description, "value", "") ) 
        ) / LENGTH("value")        
    ) AS count    
FROM <table> 

Ref: https://bit.ly/3PvNdT4