Policy Based Management and Powershell
Introduction
Policy Based Management (PBM) can be used to inform DBAs when an incorrect setting is being used on a SQL...
2017-10-04 (first published: 2017-09-26)
1,988 reads
Introduction
Policy Based Management (PBM) can be used to inform DBAs when an incorrect setting is being used on a SQL...
2017-10-04 (first published: 2017-09-26)
1,988 reads
Problem
Most DBAs are aware that (prior to SQL 2016) one of the most common, post installation changes that needs to...
2017-03-28 (first published: 2017-03-14)
5,943 reads
Problem
I was contacted by a user asking if it was possible for his team to be able to execute specific...
2016-12-21
2,500 reads
Problem
When creating Linked Servers, security often gets overlooked. This can lead to accounts on one instance having access, sometimes with...
2016-11-11
22,006 reads
Problem
A common misconception that i've heard a few times around backups is that a FULL backup invalidates previous TRANSACTION LOG...
2016-10-04
279 reads
Problem
A common question I get asked by SQL developers is to be able to query the sys.dm_db_index_usage_stats table to see...
2016-09-16
1,020 reads
SQL Server uses tempdb for many features, including row versioning, service broker and query execution amongst others. During the execution...
2016-07-07
3,662 reads
Do people still get certified? I don’t hear much about it in the SQL community these days so I asked...
2016-02-04
482 reads
One of the most important processes for a DBA is backing up and restoring a database. In its simplest form,...
2015-10-07
224 reads
Caution must be exercised when mixing Transparent Data Encryption (TDE) and Availability Groups to ensure databases don't end up in...
2015-10-07
646 reads
I wrote a stream-of-consciousness post a few months ago about what I do in...
By Steve Jones
I had to demo the Flyway Autopilot system recently and created a GitHub Actions...
This is more complicated than using the Azure Migration method, but because it’s maxed...
Comments posted to this topic are about the item The Rank Window
Comments posted to this topic are about the item The End of Azure Data...
Comments posted to this topic are about the item How to Develop Solutions with...
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 ) 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 SaleRank 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