How does Max work in SQL?
Consequently, what does the MAX function do in SQL?
MAX() function The aggregate function SQL MAX() is used to find the maximum value or highest value of a certain column or expression. This function is useful to determine the largest of all selected values of a column.
One may also ask, what is the maximum value of the function? The maximum value of a function is the place where a function reaches its highest point, or vertex, on a graph. For instance, in this image, the maximum value of the function is y equals 5.
Likewise, how do you write a max function in SQL?
To get the maximum value of a numeric column use the MAX() function. SELECT MAX(<numeric column>) FROM <table>; SELECT MAX(<numeric column>) FROM <table> GROUP BY <other column>; To get the minimum value of a numeric column use the MIN() function.
Can we use max and count together in SQL?
It will be able to use MAX() on the COUNT() result from the first table, thus circumventing the direct use of two layered aggregate functions. The solution is to create a table to get the results from the inner function first, and then use this table for calling the second function on the respective column.