WebJan 27, 2024 · You can get one row per customer and the date of their most recent order using group by: Copy code snippet select customer_id, max ( order_datetime ) from co.orders group by customer_id; The challenge here is adding other columns to the result. If you add these unaggregated to the select list, you also need to group by them. WebJul 28, 2014 · It is never as easy as just calling a max in the where clause. A subquery is often needed to get the most recent record in a table. For this example, lets use the scenario where we have a table that contains the access logs of every user. The table has no primary key and no auto increment value.
Get The Most Recent Record In A Table By Date And User
WebJul 26, 2024 · Here is the standard syntax that we can use to select the maximum date record in SQL Server. SELECT * FROM table_name WHERE column_name = (SELECT MAX (column_name) FROM table_name) Now, let’s use the given syntax to select the recent date record from our sample table. SELECT * FROM SampleTable WHERE [Date] = (SELECT … WebSep 18, 2024 · A common query that crops up in web apps is finding the oldest or the most recent record in a single table. This is straightforward in SQL. You can even write the relevant part of the query without knowing anything about the table (other than the fact that it has a timestamp column called created_at ): ORDER BY created_at LIMIT 1 pgs services surbiton
SQL: Select most recent date for each category - Stack Overflow
WebRetrieve Last Record for each Group in SQL Server Example 1 In this example, we used CTE and ROW_NUMBER Function to rank each record present in a partition. You can also use remaining Ranking functions, as per your requirements. First, partition the data by Occupation and assign the rank number using the yearly income. WebApr 5, 2016 · Hello. I have a table of Document Numbers, Status Dates/Times, & Status Codes and I want to query the table and return the most recent record for each Document Number along with corresponding the Status Code. Each Document Number may have up to 6 different Status Dates/Times and a Status Code for each Date/Time, but I just want the … WebThis is a simple "group by" using the fact the the "most recent" date is the "highest valued", or max(), date. select category_a, category_b, max(date) from mytable group by category_a, category_b order by category_a, category_b -- The ORDER BY is optional, but the example … pgsql select nextval