How to find duplicates in a table sql server

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  http://social.technet.microsoft.com/wiki/contents/articles/1090.how-to-use-the-sql-server-data-mining-add-ins-with-powerpivot-for-excel.aspx
Create Calculations in PowerPivot Once the data has been set up correctly, it is easy to create calculations that represent key decision factors such as the sales margin per bundle, and the sales for each model or product. Although it is true that the PowerPivot relational store is based on a highly specialized and optimized version of the Analysis Services engine, the PowerPivot for Excel client does not support many operations that are possible with traditional cubes, including data mining and certain kinds of queries and processing

  http://blog.sqlauthority.com/2013/09/22/sql-server-how-to-access-the-previous-row-and-next-row-value-in-select-statement/
My self-join query was attempting to detect cases where the invoice on the line before and the invoice on the line after were the same (23), but different from the invoice on the current line (24). Using the CTE, I plan to find all records that match three columns and whatever the first record is, I want to copy the value of three fields from the first record and populate the following records

  http://blog.sqlauthority.com/2007/03/01/sql-server-delete-duplicate-records-rows/
select * from mytable union select * from mytable, thsi query returns the exact records, and i guess we can use this data to build a new table or replacing the previous one. I need to get rid of the duplications, meaning that when names are shown more than once for a given month and year, I only want one of the duplicated intervention records to show up

Welcome To TechBrothersIT: SSIS - How To Insert Data Into a SQL Server Table with Identity Column

  http://www.techbrothersit.com/2014/01/ssis-how-to-insert-data-into-sql-server.html
Label SSIS POSTS DBA POSTS TSQL POSTS SSRS POSTS DWH INTERVIEW QUESTIONS MS Dynamics AX 2012 R2 Video Tutorial Microsoft Dynamics Lifecycle Services Video Tutorial SQL SERVER DBA INTERVIEW QUESTIONS SQL Server 2016 SQL Sever 2014 DBA Video Tutorial SSIS INTERVIEW QUESTIONS SSIS Video Tutorial SSRS INTERVIEW QUESTIONS SSRS Video Tutorial TSQL INTERVIEW QUESTIONS Team Foundation Server 2013 Video Tutorial Windows Server 2012 R2 Installation Videos Friday, January 24, 2014 SSIS - How To Insert Data Into a SQL Server Table with Identity Column Scenario: We have dbo.Customer table in our SQL Server database.The ID column is identity column. We need to load the data from Flat File Source but want to insert the values in ID column from the source instead of SSIS create identity values for ID column

  http://javarevisited.blogspot.com/2012/12/how-to-find-second-highest-or-maximum-salary-sql.html
Second maximum salary using LIMIT keyword of MYSQL database LIMIT keyword of MySQL database is little bit similar with TOP keyword of SQL Server database and allows to take only certain rows from result set. SELECT TOP 1 salary FROM ( SELECT TOP 3 salary FROM employees ORDER BY salary DESC) AS emp ORDER BY salary ASCIs this correct for 3rd highest salary ?? May 28, 2014 at 5:49 AM Anonymous said..

  http://social.technet.microsoft.com/wiki/contents/articles/22706.how-to-remove-duplicates-from-a-table-in-sql-server.aspx
Result set after the usage of ranking function will look as below with all ranks defined 1 for unique values and all duplicates with values greater than 1

sql server 2005 - How get the T-SQL code to find duplicates? - Stack Overflow

  http://stackoverflow.com/questions/1222581/how-get-the-t-sql-code-to-find-duplicates
For instance, in the following table, rows 2+3 would be duplicates: PK col1 col2 col3 col4 col5 1 1 2 3 4 6 2 1 3 4 7 7 3 1 3 4 7 10 4 2 3 1 4 5 The two rows share common values in columns col1-col4, and thus, by that SQL, is considered duplicates

  http://javarevisited.blogspot.com/2012/12/how-to-find-duplicate-records-in-table-mysql-query-example.html
You can see in first query that it listed Ruby as duplicate record even though both Ruby have different phone number because we only performed group by on name. Can you please write something about DB performance tuning as well as its being repetitvely asked to me and am unable to convince a great deal as I havent really worked on such scenarios December 17, 2012 at 8:07 AM Anonymous said..