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SQL: Display all employee data for the department 57

SQL Basic Select Statement: Exercise-33 with Solution.

From the following table, write a SQL query to retrieve the details of the employees who work in the department 57. Return emp_idno, emp_fname, emp_lname and emp_dept.

Sample table: emp_details

 

Sample Solution:

SELECT * 
 FROM emp_details 
  WHERE emp_dept= 57;

Output of the Query:

emp_idno	emp_fname	emp_lname	emp_dept
839139		Maria		Foster		57
127323		Michale		Robbin		57
843795		Enric		Dosio		57
847674		Kuleswar	Sitaraman	57
555935		Alex		Manuel		57

Relational Algebra Expression:

Relational Algebra Expression: Display all the data of employees that work in the department 57.

Relational Algebra Tree:

Relational Algebra Tree: Display all the data of employees that work in the department 57.

Practice Online


Query Visualization:

Duration:

Query visualization of Display all the data of employees that work in the department 57 - Duration

Rows:

Query visualization of Display all the data of employees that work in the department 57 - Rows

Cost:

Query visualization of Display all the data of employees that work in the department 57 - Cost

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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