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Is there a way to order by distinct in SQL?
SELECT Category i.e. remove the extended sort key column again from the result. So, thanks to the SQL standard extended sort key column feature, it is totally possible to order by something that is not in the SELECT clause, because it is being temporarily added to it behind the scenes. So, why doesn’t this work with DISTINCT?
How to use distinct in same SELECT statement?
Distinct will sort records in ascending order. If you want to sort in desc order use: If you want to sort records based on CreationDate field then this field must be in the select statement: Try next, but it’s not useful for huge data… Thanks for contributing an answer to Stack Overflow!
What happens if you omit cycle clause in select-Oracle?
If you omit the CYCLE clause, then the recursive WITH clause returns an error if cycles are discovered. In this case, a row forms a cycle if one of its ancestor rows has the same values for all the columns in the column alias list for query_name that are referenced in the WHERE clause of the recursive member.
How to use order by in same SELECT statement?
Extended sort key columns. 1 FROM MonitoringJob. 2 SELECT Category, CreationDate i.e. add a so called extended sort key column. 3 ORDER BY CreationDate DESC. 4 SELECT Category i.e. remove the extended sort key column again from the result.
Where do I find order by in MySQL?
To summarize, you need to have the ORDER BY in the context of the SELECT command, in which case, with the WHERE, FROM and INNER JOIN. Linking together some threads here – i believe it has to do with mysql version (we were able to bypass by using 5.7) and/or strict mode: https://github.com/publiclab/plots2/pull/8145
How to use order by column in SQL?
Sql Feature Order by is as the name suggests used to order the Selected Columns on the basis of the Column mentioned in the below Syntax : Order by Column_Name ASC/DESC So if you don’t add the column using which you have decided to retrieve order set of data in the select clause you will get this error.
Why do I get error in order by?
So if you don’t add the column using which you have decided to retrieve order set of data in the select clause you will get this error. To summarize, you need to have the ORDER BY in the context of the SELECT command, in which case, with the WHERE, FROM and INNER JOIN.
How to select distinct for one column and any in?
For other DBMSs, that have window functions (like Postgres, SQL-Server, Oracle, DB2), you can use them like this. The advantage is that you can select other columns in the result as well (besides the key and value) :