WebMay 6, 2024 · SELECT id, GREATEST (date1, date2, date3) as datemax FROM mytable I tried also more complex solutions like this: SELECT CASE WHEN date1 >= date2 AND date1 >= date3 THEN date1 WHEN date2 >= date1 AND date2 >= date3 THEN date2 WHEN date3 >= date1 AND date3 >= date2 THEN date3 ELSE date1 END AS … WebApr 24, 2013 · To get the maximum value of a column across a set of rows: SELECT MAX (column1) FROM table; -- expect one result To get the maximum value of a set of columns, literals, or variables for each row: SELECT GREATEST (column1, 1, 0, @val) FROM table; -- expect many results Share Improve this answer Follow answered Oct 13, …
SQL MIN() and MAX() Functions - W3School
WebSep 19, 2024 · This example here uses the MIN function, but you can use the MAX function to get the same result. The syntax looks like this: DELETE FROM your_table WHERE rowid not in ( SELECT MIN(rowid) FROM your_table GROUP BY column1, column2, column3 ); The columns in the GROUP BY statement are those that are checked for duplicates. In … WebAFAIK, there is no built-in function to get the maximum of two values, but you can write your own easily as: CREATE FUNCTION dbo.GetMaximumDate (@date1 DATETIME, @date2 DATETIME) RETURNS DATETIME AS BEGIN IF (@date1 > @date2) RETURN @date1 RETURN @date2 END and call it as SELECT Id, dbo.GetMaximumDate (Date1, … geforce rtx 1060 mini
Sql Max value from multiple columns in Computed Column
WebMay 16, 2012 · SELECT Ver = MAX (Ver), recID FROM YourTable GROUP BY recID If you also need the corresponding ID, you can wrap this into a subselect SELECT yt.* FROM Yourtable yt INNER JOIN ( SELECT Ver = MAX (Ver), recID FROM YourTable GROUP BY recID ) ytm ON ytm.Ver = yt.Ver AND ytm.recID = yt.RecID WebApr 12, 2024 · SQL : How to get max date from two columns, or null if either column is null?To Access My Live Chat Page, On Google, Search for "hows tech developer connect"... WebJul 31, 2024 · I have to compute a new column with a value of maximum of columns col1 and col2. So if col1 is 2 and col2 is 4, the new_col should have 4. And so on. It's in a Pyspark dataframe. I tried df=df.withColumn ("new_col",max ("col1","col2")), but got the error "_ () takes 1 positional argument but 2 were given". So what would be the correct … dcph share price