N012-E2 Tier 1 · Foundations · easy ecommerce · Brightlane

Return the ID and status of each such order

Part of BETWEEN, IN, and LIKE in SQL

The problem

Brightlane's logistics dashboard displays the active order queue for the dispatch team. It should show every order that is either awaiting dispatch (status = 'pending') or currently in transit (status = 'shipped').

Write a query to return the ID and status of each such order.

Assumptions:

  • The orders table contains every order Brightlane has processed.
  • Only the two listed statuses qualify; all other status values should be excluded.

Output:

  • One row per qualifying order, with columns id and status.
Schema · ecommerce 5 tables
categories
id integer
name text
parent_id? integer
products
id integer
name text
category_id integer
price numeric
stock_qty integer
attributes? jsonb
order_items
id integer
order_id integer
product_id integer
quantity integer
unit_price numeric
customers
id integer
name text
email text
city? text
country text
created_at timestamptz
is_active boolean
orders
id integer
customer_id integer
ordered_at timestamptz
status text
total_amount numeric

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Solution query
SELECT
  id,
  status
FROM
  orders
WHERE
  status IN ('pending', 'shipped')

The shape

IN ('pending', 'shipped') is the compact form of a membership test against a small set of values — the active queue is defined by two statuses, and the parentheses hold both.

Clause by clause

  • SELECT id, status returns the two columns the dispatch dashboard needs: the order identifier and which of the two active statuses it sits in. Pulling status alongside id lets the team see at a glance whether each row is pending or already shipped.
  • FROM orders reads the order table.
  • WHERE status IN ('pending', 'shipped') keeps only the rows whose status matches one of the two values in the parentheses. Every other status — delivered, cancelled, anything else — is dropped.

You practiced using IN to test membership against a list of values. status IN ('pending', 'shipped') reads identically to status = 'pending' OR status = 'shipped' — the recurring shape any time you'd otherwise be chaining equality checks with OR.

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