2011-06-24
2,467 reads
2011-06-24
2,467 reads
2011-02-22
2,242 reads
Wesley has heard High Availablity touted as all sorts of technological cure-all for busy SysAdmins and DBAs, and now he's taking a stand against it. There are a range of things that High Availability is regularly confused with (either deliberately or innocently), and Wesley's clearing it all up
2011-02-01
4,724 reads
2009-11-27
2,894 reads
2009-03-09
3,493 reads
Let us look at another means to increase the availability of your highly critical databases. We will extend the concept of filegroups as highlighted in a previous tip on Disaster Recovery Procedures in SQL Server 2005 Part 2 (Isolating Critical Objects) wherein we can use filegroups to isolate and store a critical object.
2008-11-20
3,127 reads
Along with some best practices, SQL Server MVP Hilary Cotter shares a log shipping setup process from start to finish.
2008-04-22
2,862 reads
One of the four high availability technologies in SQL Server is replication, though this can be very cumbersome to setup and get working. Longtime author Paul Ibison looks at how this has changed from SQL Server 2000 to 2005 and what you should consider before setting this up.
2008-04-17
7,773 reads
2007-10-17
2,313 reads
One of the more interesting new technologies in SQL Server 2005 is database mirroring, allowing you to implement high availability on a database with commodity hardware. Jay Dave brings us a nice description of this technology.
2008-06-18 (first published: 2007-07-17)
15,565 reads
I’ve been putting together a new PostgreSQL session called “Performance Monitoring for the Absolute...
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...
If this post doesn't meet protocol here, please tell me how to improve as...
I'm a retired IT guy in his 80s fighting boredom by trying to learn...
I just joined and posted a brief profile. This is my first post. Please...
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