Using OVER() to Remove Duplicate Rows
Tables used purely for reporting sometimes lack a unique identifier. Find out how to remove duplicates from such a table when data loads go bad.
2016-11-08
6,975 reads
Tables used purely for reporting sometimes lack a unique identifier. Find out how to remove duplicates from such a table when data loads go bad.
2016-11-08
6,975 reads
See how the OVER() clause was used in a live system to fix overlapping field version numbers.
2016-10-17
2,406 reads
A guide to the SQL Server 2008 Business Intelligence exams.
2012-05-11
12,416 reads
Find out what you need to learn for the SQL Server 2008 Administration certification exams.
2011-08-05
9,023 reads
An overview of what's involved in the two exams you need to pass to become a Microsoft IT Professional in SQL Server 2008.
2009-08-21
10,663 reads
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I have this code on SQL Server 2022. What happens when it runs all at once?
DROP TABLE IF EXISTS dbo.Commission GO CREATE TABLE dbo.Commission (id INT NOT NULL IDENTITY(1,1) CONSTRAINT CommissionPK PRIMARY KEY , salesperson VARCHAR(20) , commission VARCHAR(20) ) GO INSERT dbo.Commission ( salesperson, commission) VALUES ( 'Brian', 12 ), ( 'Brian', 'None' ) GOSee possible answers