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
1,093 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
588 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
421 reads
By SQLPals
Reality (And Limits) of Instant File Initialization for Transaction Logs in SQL Server 2022 ...
By Steve Jones
Last week I spent a few days in Cambridge, UK for the Redgate Company...
By alevyinroc
This is long overdue but life and distractions happened. It’s been a little over...
Comments posted to this topic are about the item Adding and Dropping Columns II
Comments posted to this topic are about the item Leveraging DuckDB for OLAP Workloads:...
Comments posted to this topic are about the item More Documentation is Needed
I have this table in my SQL Server 2022 database:
CREATE TABLE [dbo].[CityList] ( [CityNameID] [int] NOT NULL IDENTITY(1, 1), [CityName] [varchar] (30) , [Country2] [char] (3), [stateprovince2] [char] (2), [Country] [char] (3), [stateprovince] [char] ) ON [PRIMARY] GOI decide to drop the stateprovince2 and country2 columns. What code should I use? See possible answers
