SQL subqueries on employee Database: List the details of all the employees who are sub-ordinates to BLAZE
SQL subqueries on employee Database: Exercise-47 with Solution
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47. From the following table, write a SQL query to find those employees who are sub-ordinates of BLAZE. Return complete information about the employees.
Sample table: employees
Sample Solution:
SELECT *
FROM employees
WHERE manager_id IN
(SELECT emp_id
FROM employees
WHERE emp_name = 'BLAZE');
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 69000 | JULIUS | CLERK | 66928 | 1991-12-03 | 1050.00 | | 3001 (5 rows)
Practice Online
Structure of employee database:
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Previous: From the following table, write a SQL query to find those managers who receive less salary then the employees work under them. Return complete information about the employees.
Next: From the following table, write a SQL query to find those employees who work as managers. Return complete information about the employees. Use co-related subquery.
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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
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