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PostgreSQL JOINs

Medical Center database
Non primary-foreign key JOINs
Non-equi JOINs
Non-equi self JOINs
Summary

Instruction

Okay, we've prepared two additional tables for you: item and buyer.

Let's start with the item table.

Exercise

Select all data from the item table.

As you can see, it has the following columns:

  • id – the ID of a given item,
  • name – the name of a given item,
  • price – the price of a given item, and
  • type – the type of a given item.

Stuck? Here's a hint!

Type: 

SELECT *
FROM item