PostgreSQL Restricting and Sorting Data: Get the first name of the employee who holds the letter 'c' and 'e' in the first name
5. Write a query to get the first name of the employee who holds the letter 'c' and 'e' in the first name.
Sample Solution:
Code:
SELECT first_name
FROM employees
WHERE first_name LIKE '%c%'
AND first_name LIKE '%e%';
Sample table: employees
Output:
pg_exercises=# SELECT first_name pg_exercises-# FROM employees pg_exercises-# WHERE first_name LIKE '%c%' pg_exercises-# AND first_name LIKE '%e%'; first_name ------------ Bruce Michael Vance Michael (4 rows)
Relational Algebra Expression:
Relational Algebra Tree:
Practice Online
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Previous: Write a query to display the name, including first_name and last_name and hire date for all employees who were hired in 1987.
Next: Write a query to display the last name, job, and salary for all those employees who hasn't worked as a Programmer or a Shipping Clerk, and not drawing the salary $4,500, $10,000, or $15,000.
What is the difficulty level of this exercise?
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