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postgresql exercises

PostgreSQL Restricting and Sorting Data - Exercises, Practice, Solution

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PostgreSQL Restricting and Sorting Data [11 exercises with solution]

1. Write a query to display the name, including first_name and last_name and salary for all employees whose salary is out of the range between $10,000 and $15,000.

Sample table: employees

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2. Write a query to display the name, including first_name and last_name, and department ID who works in the department 30 or 100 and arrange the result in ascending order according to the department ID.

Sample table: employees

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3. Write a query to display the name, including first_name and last_name, and salary who works in the department either 30 or 100 and salary is out of the range between $10,000 and $15,000.

Sample table: employees

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4. Write a query to display the name, including first_name and last_name and hire date for all employees who were hired in 1987.

Sample table: employees

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5. Write a query to get the first name of the employee who holds the letter 'c' and 'e' in the first name.

Sample table: employees

Sample table: departments

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6. 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.

Sample table: employees

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7. Write a query to display the last names of employees whose name contain exactly six characters.

Sample table: employees

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8. Write a query to display the last name of employees having 'e' as the third character.

Sample table: employees

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9. Write a query to display the jobs/designations available in the employees table.

Sample table: employees

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10. Write a query to display the name, including first_name, last_name, salary and 15% of salary as PF of all employees.

Sample table: employees

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11. Write a query to select all information of employees whose last name is either 'BLAKE' or 'SCOTT' or 'KING' or 'FORD'.

Sample table: employees

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Structure of 'hr' database :

hr database