GREATEST in Snowflake - Examples & AI Generator

Need to compare multiple columns and get the highest value in Snowflake? The GREATEST function is your tool, but its syntax can vary across databases—leading to mistakes and lost time. Instead of memorizing Snowflake GREATEST syntax, AI2sql lets you instantly generate optimized queries with just your question, no coding required. Whether you’re comparing sales, dates, or scores, AI2sql gets it done in seconds.

GREATEST Syntax in Snowflake

How GREATEST Works in Snowflake

The GREATEST function in Snowflake compares expressions and returns the largest:

GREATEST(expr1, expr2, ...)

• expr1, expr2, ... – Numeric, date, or string values to compare.

• Returns NULL if any argument is NULL.

Note: Snowflake’s GREATEST syntax may differ from other SQL databases.

GREATEST Examples You Can Generate Instantly

• Find the highest purchase amount for each customer:

  SELECT customer_id, GREATEST(order_amount_1, order_amount_2, order_amount_3) AS max_order
  FROM orders;

• Get the latest order date per product:

  SELECT product_id, GREATEST(shipment_date, delivery_date, return_date) AS last_activity_date
  FROM product_orders;

• Compare quarterly sales and return the peak:

  SELECT product_name, GREATEST(q1_sales, q2_sales, q3_sales, q4_sales) AS peak_quarter_sales
  FROM sales_summary;

Generate GREATEST queries in 10 seconds with AI2sql

Why Use AI2sql Instead of Manual GREATEST Coding

• AI2sql saves time—no need to check Snowflake GREATEST syntax or reference docs.

• Simply describe your data logic (e.g., "find the highest bonus per employee"), and get production-ready SQL instantly.

• Perfect for teams working across databases—AI2sql handles syntax differences so you don’t have to.

• Trusted by 50,000+ users across 80+ countries for query generation.

Try AI2sql Generator

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FAQ: GREATEST in Snowflake

• Does GREATEST return NULL if any value is NULL in Snowflake? Yes. If any input is NULL, the result will be NULL.

• Can I use GREATEST on dates and strings? Yes, GREATEST works with numeric, date, time, and string data types.

• Is the syntax the same in PostgreSQL or MySQL? It’s similar, but minor syntax and NULL handling differences exist. AI2sql manages this automatically.

Conclusion

Mastering GREATEST in Snowflake boosts your query power—but remembering precise syntax across databases slows you down. With AI2sql, you describe your requirement in plain English and receive an optimized GREATEST query in 10 seconds—no coding required. Join 50,000+ users who rely on speed and accuracy. Generate Your First Query Now.