About the “Express Fulfillment Order Queue” SQL Problem
Business Scenario
A luxury fashion e-commerce warehouse has a customer SLA guaranteeing same-day dispatch for express orders over $250. The fulfillment operations lead needs an active queue of orders marked for express delivery that haven't shipped yet.
Expected Output & Criteria
Express delivery orders >= $250 still pending or processing, sorted by price descending.
Database Table Schema (PostgreSQL DDL)
PostgreSQL 16 WASMThis challenge executes directly against the following relational schema in your browser:
CREATE TABLE fulfillment_queue (
order_id INT PRIMARY KEY,
customer_email VARCHAR(120) NOT NULL,
shipping_tier VARCHAR(30) NOT NULL,
total_price NUMERIC(10, 2) NOT NULL,
fulfillment_status VARCHAR(30) NOT NULL,
placed_at TIMESTAMP NOT NULL
);Target SQL Clauses & Operators
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