2019-10-10
3 reads
2019-10-10
3 reads
2019-10-10
29 reads
In this blog post, you will get the query to “Split data into N equal groups” using SQL Server and you will also see the practical implementation of the...
2019-10-10
75 reads
In this blog post, you will get the query to “Split data into N equal groups” using SQL Server and you will also see the practical implementation of the...
2019-10-10
747 reads
WHILE LOOP can be used for batch processing and can be helpful if you are dealing with huge data processing. Recently I did an analytics project where I had...
2019-10-09
5 reads
Here’s a quick post on something simple which stumped me for a while, in the hopes that search engines help someone else who gets confused in the same way....
2019-09-02
9 reads
I’m really excited for Redgate’s new SQL Change Automation plugin for SQL Server Management Studio (SSMS). SQL Change Automation lets DBAs and developers use a migrations-first approach to create...
2019-08-26
6 reads
The Accelerate: State of DevOps Report 2019 has just been published. This report is the latest in six years of research. With more than 31,000 survey responses, Accelerate is...
2019-08-22
2 reads
This is the first in a series of posts about simple things that I had a hard time figuring out in Azure DevOps services. It can be very useful...
2019-08-19
44 reads
After almost fifteen years of heavy usage by developers and database administrators (DBAs), it might seem like Microsoft’s free tool, SQL Server Management Studio (SSMS), is about to go...
2019-08-14
4 reads
By Rayis Imayev
(2025-Feb-12) I will jump straight to the problem statement without a "boring" introduction, which, in...
By Steve Jones
I wrote about getting the Redgate Test Data Manager set up in 10 minutes...
I wrote a stream-of-consciousness post a few months ago about what I do in...
WHERE a.ROWID IN (SELECT rid FROM ( SELECT ROWID rid, row_number() OVER (PARTITION BY...
Hi Does anybody know if it is possible to run a backup from a...
I have this table and data:
CREATE TABLE [dbo].[SalesTracking] ( [SalesDate] [datetime] NULL, [SalesPersonID] [int] NULL, [CustomerID] [int] NOT NULL, [PONumber] [varchar] (80) COLLATE SQL_Latin1_General_CP1_CI_AS NULL, [paid] [bit] NULL, [total] int ) ON [PRIMARY] GO CREATE CLUSTERED INDEX [SalesTrackingCDX] ON [dbo].[SalesTracking] ([SalesDate]) ON [PRIMARY] GO INSERT dbo.SalesTracking (SalesDate, SalesPersonID, CustomerID, PONumber, paid, total) VALUES ('2024-03-15 10:45:55.067', 1, 1,'PO965' ,1, 100), ('2023-09-24 10:45:55.067', 1, 2,'PO627' ,1, 200), ('2022-07-02 10:45:55.067', 1, 3,'PO6' ,1, 300), ('2022-11-03 10:45:55.067', 1, 4,'PO283' ,1, 400), ('2022-11-26 10:45:55.067', 1, 5,'PO735' ,1, 500), ('2023-04-28 10:45:55.067', 1, 6,'PO407' ,1, 600), ('2022-09-09 10:45:55.067', 1, 7,'PO484' ,1, 700), ('2024-03-13 10:45:55.067', 1, 8,'PO344' ,1, 700), ('2024-04-24 10:45:55.067', 1, 9,'PO254' ,1, 800), ('2022-06-19 10:45:55.067', 1, 10,'PO344',1, 800) GOWhen I run this query, how many unique values are returned for the SalesRank column?
SELECT st.SalesDate , st.SalesPersonID , st.total , RANK () OVER (PARTITION BY st.SalesPersonID ORDER BY st.total desc) AS SaleRank FROM dbo.SalesTracking AS st;See possible answers