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How to get the last distinct set of records?
In this table the only unique values reside in id i.e. primary key. I want to retrieve the last distinct set of records in this table based on the datetime value. For example, let’s say below is my table
How to SELECT DISTINCT values from 1 column?
Select distinct values from 1 column | SQL Server : select distinct by one column and by another column value | SQL Server select distinct hell SQLFiddle here.
How to select the latest 3 records for each ID?
I want to do a single SELECT query that returns the latest 3 records (ordered by Date timestamp) for each ID. For each given ID, the Date values are always unique, so no need to worry about ties for Date here. I’ve tried a self-join approach, inspired by this answer, but it took quite a few seconds to run and returned nothing:
How to get the value of last date?
Value on last date = LOOKUPVALUE (Data [Value],Data [Date], [Last date],Data [User Name],VALUES (Data [User Name])) Hope this helps. 10-18-2018 07:28 PM the first measure works as expected. however, when using the second measure I am not able to convert the name to value and don’t know how to proceed further.
How to retreive last 6 months of data?
I’m trying for an expression to retreive last 6 months of data from present date…like Get all dates between october 1st 2010 and march 31st 2011 but i’m looking for a generic expression . vishal…. _ vishal…. _ if you are looking for the past 6 months it would be this.
How to get last 6 months in MySQL?
You can get last six month’s data by subtracting interval of 6 month from CURDATE() ( CURDATE() is MySQL function which returns Today’s date ).
How to select last 6 months from news table?
I tried @user319198 answer to display last 6 months (sum of) sales, it worked but I faced one issue in the oldest month, i do not get the sales amount of the whole month. The result starts from the equivalent current day of that month. Also it will be great if anyone has better solution for my case J.
When to use distinct for more than one field?
If the SELECT clause contains more than one field, the combination of values from all fields must be unique for a given record to be included in the results. The output of a query that uses DISTINCT is not updateable and does not reflect subsequent changes made by other users. Omits data based on entire duplicate records, not just duplicate fields.
When do you omit distinct in SQL statement?
If two records contain Smith in the LastName field, the following SQL statement returns only one record that contains Smith: If you omit DISTINCT, this query returns both Smith records.
Which is an example of all, distinct, distinctrow?
The following two examples are equivalent and return all records from the Employees table: Omits records that contain duplicate data in the selected fields. To be included in the results of the query, the values for each field listed in the SELECT statement must be unique.