Back doors are undocumented features of an application that let you do things the application wasn't intended to support. With this article, I conclude my series on T-SQL back doors by discussing three back doors to SQL Server views: rolling your own INFORMATION_SCHEMA views, creating sorted updateable views, and circumventing update limitations that views impose. I also tell you which undocumented techniques I think could be useful for T-SQL programmers if SQL Server supported them.
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