Best answer: How do I find the max of two values in SQL?

How do I get the max of two values in SQL?

SELECT MAX (column_name) FROM table_name WHERE column_name NOT IN (SELECT Max (column_name) FROM table_name); First we selected the max from that column in the table then we searched for the max value again in that column with excluding the max value which has already been found, so it results in the 2nd maximum value.

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 I get the highest value in 3 columns in SQL?

To get the maximum value from three different columns, use the GREATEST() function. Insert some records in the table using insert command. Display all records from the table using select statement.

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Can I use Max in where clause?

MAX() function with Having

The SQL HAVING CLAUSE is reserved for aggregate function. The usage of WHERE clause along with SQL MAX() have also described in this page. The SQL IN OPERATOR which checks a value within a set of values and retrieve the rows from the table can also be used with MAX function.

What is Max function in SQL?

SQL MAX function is used to find out the record with maximum value among a record set.

How do I find the minimum and maximum value in SQL?

SQL MIN() and MAX() Functions

  1. SELECT MIN(column_name) FROM table_name. WHERE condition;
  2. SELECT MAX(column_name) FROM table_name. WHERE condition;
  3. Example. SELECT MIN(Price) AS SmallestPrice. FROM Products;
  4. Example. SELECT MAX(Price) AS LargestPrice. FROM Products;

How do I find the max of 3 numbers in SQL?

Greatest number among three given numbers in PL/SQL

  1. Prerequisite – PL/SQL introduction. …
  2. Examples: Input: a = 46, b = 67, c = 21 Output: 67 Input: a = 9887, b = 4554, c = 212 Output: 9887.
  3. Approach is to consider the first number and compare it with other two numbers. …
  4. Output Greatest number is 67.

How do I get the maximum value from multiple columns in SQL Server?

Find MAX value from multiple columns in a SQL Server table

  1. Solution 1. The first solution is the following: …
  2. Solution 2. We can accomplish this task by using UNPIVOT: …
  3. Solution 3. This task can be solved by using UNION: …
  4. Solution 4. And the fourth solution also uses a UNION: …
  5. Performance Comparison. …
  6. Conclusion.
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How do I do an if statement in SQL?

The IF statement is logically equivalent to a CASE statements with a searched-case-statement-when clause. The IF statement supports the use of optional ELSE IF clauses and a default ELSE clause. An END IF clause is required to indicate the end of the statement.

How can I get max value in SQL without using max function?

Here I am writing SQL query to find nth salary without using top or max keywords.

  1. SELECT * FROM (
  2. SELECT ROW_NUMBER() OVER (ORDER BY SALARY DESC) AS rownumber,Salary.
  3. FROM Employee )
  4. AS foo.
  5. WHERE rownumber = n.

Which SQL function is used to retrieve a maximum value?

MAX() is the SQL keyword is used to retrieve the maximum value in the selected column.

What is difference between having and where clause?

Difference between WHERE and HAVING clause

The WHERE clause is used in the selection of rows according to given conditions whereas the HAVING clause is used in column operations and is applied to aggregated rows or groups. … It means it selects the rows before grouping is done or aggregate calculations are performed.

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