15 SQL practice questions in our Coinbase collection, part of our 188-question bank across 23 companies. Write SQL against practice datasets and get checked in your browser. Free, no card or trial.
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Find verified users who have not made any completed transactions during March 2026. Return user_id, signup_date, and account_tier. Order by signup_date descending so newest users appear first.
Calculate daily trading volume (sum of amount_usd for completed transactions) for each crypto asset, then compute a 7-day rolling average. Return transaction_date, crypto_asset, daily_volume, and rolling_avg_7day. Order by asset and date.
Identify the top 3 most profitable traders for each crypto asset in 2026. Net profit is calculated as (total sell volume - total buy volume - total fees). Return user_id, crypto_asset, net_profit, and profit_rank. Only include verified users with completed transactions.
15 Coinbase problems, each with its own dataset. Click one and you’re in the workspace, free, right in your browser.
Your dataset
user_id (INT) · signup_date (DATE) · kyc_status (VARCHAR) · account_tier (VARCHAR) · country (VARCHAR)
transaction_id (INT) · user_id (INT) · transaction_type (VARCHAR) · crypto_asset (VARCHAR) · amount_usd (FLOAT) · amount_crypto (FLOAT) · fee_usd (FLOAT) · transaction_date (TIMESTAMP) · status (VARCHAR)
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Practice Coinbase SQL free188 SQL practice questions. 23 companies. Free access to every problem.