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sqladvanced

Replication - Technique 27

Database replication

sql
WITH recent_orders AS (
  SELECT customer_id, SUM(total) AS spend
  FROM orders
  WHERE created_at >= now() - interval '30 days'
  GROUP BY customer_id
)
SELECT customer_id, spend
FROM recent_orders
ORDER BY spend DESC
LIMIT 10;

Use Cases

  • database operations
  • data management

Tags

#sql#database#replication

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