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SQL MAX with Examples

Reading time 1 min
Published Aug 9, 2017
Updated Oct 11, 2019

SQL MAX function returns the biggest data record value from the specified column.

Syntax of SQL MAX

Example
SELECT MAX(col_name)
FROM tbl_name
WHERE conditions;
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Demo Database

The demo database we'll use in our examples is called Products:

ID Name Supplier_ID Category_ID Unit Price Unit_in_stock Unit_on_order
1 Cucumber 3 3 5 crates 19 17 16
2 Tomato 3 3 6 crates 20 24 Null
3 Cheese 3 4 5 kg boxes 11 11 6
4 Milk 4 4 5 L bottles 22 56 12
5 Bread 4 4 36 boxes 26 26 1

SQL MAX Example

The code example below pick out the biggest 'PriceID' data record value in the table Products:

Example
SELECT MAX(Price) AS HighestPrice FROM Products;