Positively SQL » Index http://blog.sqlpositive.com SQL blog by Luke Jian Mon, 21 Nov 2011 22:30:44 +0000 en hourly 1 http://wordpress.org/?v=3.3.1 How (not) to design a SQL Server table http://blog.sqlpositive.com/2009/05/how-not-to-design-a-sql-serve-table/ http://blog.sqlpositive.com/2009/05/how-not-to-design-a-sql-serve-table/#comments Wed, 27 May 2009 05:31:31 +0000 Luke http://blog.sqlpositive.com/?p=35 I recently saw the worst example of  how not to design a table and indexes in SQL Server.

So here it is:

Table1(UserID,ActivityID,ActivityType,AddDate)

Role : Log any activity that a user is invited for.

PrimaryKey: … Wait for it … tada : UserID,ActivityID,ActivityType,AddDate … Wait you say …. YES … all table columns are used [...]]]> http://blog.sqlpositive.com/2009/05/how-not-to-design-a-sql-serve-table/feed/ 0