WebThe problem is that the columns used in the ORDER BY aren't specified in the DISTINCT. To do this, you need to use an aggregate function to sort on, and use a GROUP BY to make the DISTINCT work. Try something like this: SELECT DISTINCT Category, MAX (CreationDate) … WebApr 15, 2024 · - DISTINCT：可选参数，表示去重，如果指定了DISTINCT，则合并后的字符串中不会包含重复的值； - ORDER BY：可选参数，用于指定合并后的字符串的排序方式； - ASC/DESC：可选参数，用于指定排序的方向； - SEPARATOR：可选参数，用于指定合并后的字符串中各个值之间的分隔符，默认为逗号。 示例： 假设有以下表： 如果我们要按照班 …
PostgreSQL - DISTINCT ON expression - GeeksforGeeks
WebNov 5, 2024 · When you use DISTINCT for any query, the result is always ordered by the columns which you have used in the DISTINCT column. Well, that’s it. That is the answer. … WebSep 28, 2024 · The syntax of the DISTINCT keyword is as follows: SELECT DISTINCT columns FROM table… You can simply add the word DISTINCT after your SELECT keyword. You can also add the DISTINCT keyword inside aggregate functions: SELECT aggregate_function (DISTINCT column) FROM table… We’ll see some examples of this … reading historical society reading pa
How To Use GROUP BY and ORDER BY in SQL DigitalOcean
Web'DISTINCT with Order By Clause'. Its working when we take the same column for distinct and order by then the query is working. But, in my case..there is a join b/w couple of tables.. and the distinct is for one column and the order by is for different table with different column. WebThe SQL DISTINCT clause is used to remove duplicates from the result set of a SELECT ... DuplicateCount) AS ( SELECT Col1, Col2, Col3, ROW_NUMBER() OVER(PARTITION BY Col1, Col2, Col3 ORDER BY Col1) AS DuplicateCount FROM MyTable ) SELECT * from CTE Where DuplicateCount = 1. Remove Duplicates using group By. Using DISTINCT in SQL. 45 … WebOct 7, 2024 · As per my knowledge there is short coming in SQL and RA of where the ORDER BY is in relation to the DISTINCT. Can you please see the below mentioned link for further details http://programminglinq.com/blogs/marcorusso/archive/2008/07/20/use-of-distinct-and-orderby-in-linq.aspx Hope it Helps. how to style oversized sweatpants