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The Art of PostgreSQL

Challenge: Data Manipulation

Explore how to perform essential data manipulation tasks in PostgreSQL, including inserting new records, updating existing entries, and deleting data. This lesson helps you understand practical SQL queries to manage employee information efficiently, reinforcing skills in CRUD operations within your database applications.

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Problem statement

There’s a table named Employee that contains the information of the employees. It has the following columns.

  • empid: This is the primary key of the table.
  • empname: This column contains the employee’s name.
  • salary: This column contains the employee’s salary.
  • city: This column contains the city of the employee.

Task 1

Write a query to insert the following data into the Employee table:

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