SQL exercises on employee Database: List the managers of department 1001 or 2001
SQL employee Database: Exercise-49 with Solution
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49. From the following table, write a SQL query to find those managers who are in the department 1001 or 2001. Return complete information about the employees.
Sample table: employees
SELECT * FROM employees WHERE job_name = 'MANAGER' AND (dep_id = 1001 OR dep_id =2001);
emp_id | emp_name | job_name | manager_id | hire_date | salary | commission | dep_id --------+----------+----------+------------+------------+---------+------------+-------- 67832 | CLARE | MANAGER | 68319 | 1991-06-09 | 2550.00 | | 1001 65646 | JONAS | MANAGER | 68319 | 1991-04-02 | 2957.00 | | 2001 (2 rows)
Relational Algebra Expression:
Relational Algebra Tree:
Sample Database: employee
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Previous: From the following table, write a SQL query to find those employees who joined in 90's. Return complete information about the employees.
Next: From the following table, write a SQL query to find those employees who joined in the month FEBRUARY with a salary range between 1001 to 2000 (Begin and end values are included.). Return complete information about the employees.
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SQL: Tips of the Day
How to restore a dump file from mysqldump?
It should be as simple as running this:
mysql -u <user> -p < db_backup.dump
If the dump is of a single database you may have to add a line at the top of the file:
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