Add a header to begin generating the table of contents
If you’re preparing for a data job or building analytics dashboards, this quick breakdown of essential SQL syntax will guide you:
➜ Alias: Use AS to rename columns or tables
➜ Joins: Combine data with INNER JOIN, LEFT JOIN, RIGHT JOIN, FULL JOIN
➜ Functions: Aggregate using AVG(), MAX(), MIN(), SUM(), COUNT()
➜ Where: Filter rows using LIKE, IN, BETWEEN, EXISTS, ANY, ALL
➜ Group: Summarize with GROUP BY and HAVING
➜ Order: Sort results with ORDER BY ASC/DESC, LIMIT, or TOP
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