T-SQL query to copy data from one database to another database
T-SQL query to copy the rows of all the tables from one database to another database only if they have rows in Source DB and exact same Schema in...
2019-10-30
8 reads
T-SQL query to copy the rows of all the tables from one database to another database only if they have rows in Source DB and exact same Schema in...
2019-10-30
8 reads
T-SQL query to copy the rows of all the tables from one database to another database only if they have rows in Source DB and exact same Schema in...
2019-10-30
9 reads
T-SQL query to return the latest available database backup chain (Full, Differential and Log) of individual databases along with their backup size and compressed size.
2019-10-30
3 reads
T-SQL query to return the latest available database backup chain (Full, Differential and Log) of individual databases along with their backup size and compressed size.
2019-10-30
1 reads
T-SQL script to purge all the tables including foreign key references. The script has been made smart enough to use TRUNCATE wherever there is no foreign key reference and...
2019-10-30
4 reads
T-SQL script to purge all the tables including foreign key references. The script has been made smart enough to use TRUNCATE wherever there is no foreign key reference and...
2019-10-30
3 reads
PASS Summit 2019 starts up next Monday with pre-conference sessions. I’ve got my schedule all set, and I’m going to be busy: I’m speaking in two full-day pre-conference sessions,...
2019-10-30
4 reads
It’s been more than a year and a half since Robert Davis passed away. I wrote a bit about Robert’s passing last April. I haven’t written about him since,...
2019-10-25
2 reads
It’s just ten days until PASS Summit 2019 begins in Seattle. The schedule is up and there are loads of good sessions. Here’s what I’m putting on my calendar...
2019-10-24
2 reads
I am living the dream, y’all: yesterday I was finishing up my workday and needed to record a video, but realized that our puppy had spent enough time in...
2019-10-17
3 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