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Inserting data
Modifying data
Deleting data
14. Summary: CRUD


It's time to wrap things up! We have learned how to add, modify, and remove data from a database. In the SQL Basics in PostgreSQL course, you also learned how to SELECT data from a database.

This sequence of four operations is often referred to by the acronym CRUD:

  • Create
  • Retrieve
  • Update
  • Delete

Any application handling data will be able to do these four operations.

Remember, in PostgreSQL, you can:

  • Create data with the INSERT command.
  • Retrieve data with the SELECT command.
  • Update data with the UPDATE command.
  • Delete data with the DELETE command.


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