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 Tree:
Practice Online
Query Visualization:
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Previous: From the following table, write a SQL query to find the details of employees whose last name is 'Snares'. Return emp_idno, emp_fname, emp_lname, and emp_dept.
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SQL: Tips of the Day
Nested select statement in SQL Server.
You need to alias the subquery.
SELECT name FROM (SELECT name FROM agentinformation) a
or to be more explicit
SELECT a.name FROM (SELECT name FROM agentinformation) a
Database: SQL Server
Ref: https://bit.ly/3Qruiu5
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