This will find and delete all duplicate rows. You can refine the granularity of uniqueness by including more columns than just the Primary Key. If you are picky about which rows you want to delete, don't use this. Instead use the 'Find Duplicates' script I just submitted and then delete manually.
2002-05-24
1,094 reads
Find duplicates in any table, and report the number of duplicates. Enter in the table name, and the field or fieldsfor which there should only be one row for each of that field, but you suspect are more. For example, if an employee table has more than one record for an employeethis will find any […]
2002-05-24
589 reads
This script generates a statement that you would then run in the user database to get rowcounts of all tables. The advantages of this approach are you can modify it to get just the tables you want, and the output is easy to read:Table1-------1069Table2------10427
2002-05-24
423 reads
By Brian Kelley
But as I've matured over the years, I came to realize that I needed...
By alevyinroc
I will be presenting my latest session, Documenting Your Work for Worry-Free Vacations, in-person...
By Steve Jones
I saw a question asking about the next sequence value and decided to try...
I've read a few posts regarding what we use to design DB models and...
I've got a table with 186,703,969 rows, about 300GB of data. There are several...
I created a SQL Database in Azure Portal but I've just noticed it also...
What values are returned when I run this code?
CREATE TABLE dbo.IdentityTest2
(
id NUMERIC(10,0) IDENTITY(10,10) PRIMARY KEY,
somevalue VARCHAR(20)
)
GO
INSERT dbo.IdentityTest2
(
somevalue
)
VALUES
( 'Steve')
, ('Bill')
GO
SELECT top 10
id
FROM dbo.IdentityTest2 See possible answers 