SQL Find MAX Values for multiple rows

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Data Set

Name    Number  Value
Alabama  254    100
Atlas    156    200
Alabama  354    300
Atlas    800    400

SQL Statement as to return the Max Number per Name.

desired outcome

Alabama  354    300
Atlas    800    400

SQL Statement as to return the Max Number per Name.

What you describe sounds like:

select t.*
from t
where t.number = (select max(t2.number) from t t2 where t2.name = t.name);

In most databases, this has optimal or close-to optimal performance with an index on (name, number).

Sql, Try a GROUP BY: SQL GROUP BY Statement[^] as an inner query to return the id and MAX(pname) AS pname , then JOIN that with your� Select Rows with Maximum Value on a Column in SQL Server Example 1. If you are returning the group column, and the column with Maximum value, you can use the below statement. As you can see, we used Max function along with Group By. USE [SQL Tutorial] GO SELECT Occupation ,MAX([Sales]) AS MaxSale FROM [Employee] GROUP BY Occupation. OUTPUT

You can use distinct on in PostgreSQL:

select distinct on (name) *
from table t
order by name, number desc;

You can use row_number() to general :

select t.*
from (select t.*, row_number() over (partition by name order by number desc) as seq
      from table t
     ) t
where seq = 1;

If number has ties then you can use rank() instead.

If multiple rows have the minimum or maximum value, which one is , SELECT name,price FROM fake_apps WHERE price = (SELECT max(price) FROM fake_apps); So rather than SELECT-ing rows from the table where the price is exactly some number we specify, we compare price to the result of another query, in this case a MAX query. SQL: Using IN operator with a Multiple Row Subquery. IN operator is used to checking a value within a set of values. The list of values may come from the results returned by a subquery. See the following example : To get 'ord_num', 'ord_amount', 'ord_date', 'cust_code' and 'agent_code' from the table 'orders' with following conditions :

You can first Order by Number and then GROUP BY name like this:

SELECT DISTINCT 
name, MAX(number) AS number, MAX(value) AS value
FROM table
GROUP BY name

Find MAX value from multiple columns in a SQL Server table, Our task is to find the last update date for each row using the three dates and we will provide four solutions for this task. By looking at the above� The SQL MIN() and MAX() Functions. The MIN() function returns the smallest value of the selected column. The MAX() function returns the largest value of the selected column. MIN() Syntax

In case of SQL Server and MySQL you can use MAX() function with group by. Try like:

SELECT Name,MAX(Number),MAX(Value) 
FROM myTable 
GROUP BY Name

SQL Fiddle

multiple rows with the same maximum value, Yours appears to be a "greatest N per group" problem. What you can do is get the maximum seats per engine results: SELECT engines� I find your article very helpful. I tried the UNPIVOT function to find the MAX value of multiple columns in my tables. However, I am having a problem filtering the results. It is getting the maximum value, the problem is, that value shows in every row (every record, regardless of record ID).

You can use just max function to find the maximum value like.

SELECT Name,MAX(Number),MAX(Value) 
FROM myTable 
GROUP BY Name

SQL SERVER - Finding Max Value From Multiple Values, "I have three different variables, I want to find out which one of them has the maximum or. SQL SERVER – Finding Max Value From Multiple Values and Timestamp - Check if Row Values are Changed Since Last Retrieve. SQL has its own notions about what the simple Min () and Max () functions should do, which is compare the values in a column. Since there are no built-in functions to compare any two values and

But following on from getting the max value, I have the same issue as Access-SQL Guy: My value columns comes from different underlying tables (in the join statements). So based on the max value that I get back, I need to link back to the underlying table to get additional info from that table where my id and value match. Perhaps more info.

select [Customer ID], MAX([Some Date]) AS [Latest Date], Balance from [Cust Date Table] group by [Customer ID], Balance; The problem is this doesn't return just the one row for each customer - it returns multiple rows.

In this syntax, instead of using a single list of values, you use multiple comma-separated lists of values for insertion. The number of rows that you can insert at a time is 1,000 rows using this form of the INSERT statement. If you want to insert more rows than that, you should consider using multiple INSERT statements, BULK INSERT or a

Comments
  • MySQL, SQL Server or PostgreSQL? I've removed the multiple RDNMS tags, feel free to add back the relevant one.
  • What if you had (Alabama, 400, 10)? What would be the expected output then?
  • to return the Max Number per Name. If so why do you show Value column in desired output?
  • Add the row (Atlas, 500, 500) and also adjust the expected result - if needed.
  • Max Number and return all columns
  • I can't use MAX(value) as the value field is not necessarily the MAX that I want to select. MAX must be only the number.
  • But if you actually do want value then you must want any one of all, because as you said, more than one value of value isnt possible for alabama if you only want one record of alabama right?
  • For reference See Formatting code