How do you find max of two numbers in SQL?

Question

In SQL Server 2012 or higher, you can use a combination of IIF and ISNULL (or COALESCE ) to get the maximum of 2 values. If one of the values is NULL , the result will always be the second one. . IIF() is syntactic sugar for the CASE statement.

How do I find the maximum value of two columns in SQL?

In SQL Server there are several ways to get the MIN or MAX of multiple columns including methods using UNPIVOT, UNION, CASE, etc… However, the simplest method is by using FROM … VALUES i.e. table value constructor. Let's see an example. In this example, there is a table for items with five columns for prices.

How do you calculate Max in SQL?

To find the max value of a column, use the MAX() aggregate function; it takes as its argument the name of the column for which you want to find the maximum value. If you have not specified any other columns in the SELECT clause, the maximum will be calculated for all records in the table.

How do you find the top 3 values in SQL?

The SQL SELECT TOP Clause1SQL Server / MS Access Syntax: SELECT TOP number|percent column_name(s) FROM table_name. ... 2MySQL Syntax: SELECT column_name(s) FROM table_name. ... 3Oracle 12 Syntax: SELECT column_name(s) FROM table_name. ... 4Older Oracle Syntax: SELECT column_name(s) ... 5Older Oracle Syntax (with ORDER BY): SELECT *

Can I do a max count * in SQL?

No, we can't use a MAX(COUNT(*) and we can not layer aggregate functions on top of one another in the same SELECT clause. In a subquery, the inner aggregate would have to be performed.

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