DatePart when used to retrieve WeekDay, its settings depends on the Set DateFirst . The current value of the DateFirst Can be queried as select @@DateFirst which will return the value between 1 to 7 each representing a day of... Continue Reading →
Inner join can lead to misleading result set which sometimes can cause mess if they are not handled meticulously.
I often got stuck in the jargon of technical words and how are they related. For those who are struggling like me to comprehend the technical buzz of words, this post illustrates the basic difference between the INFORMATION_SCHEMA, sys, sys.objects,... Continue Reading →
Perfect one shot for the difference between INFORMATION_SCHEMA and the SYSTEM VIEWS
I spend a reasonable amount of time looking through various forums, answering some questions and reading the answers to others. One of the things I’ve noticed is that while I frequently see system views referenced I only very rarely see the INFORMATION_SCHEMA views mentioned. This seems rather strange to me since I think most (although by no means all) of the people who work with system views know about the INFORMATION_SCHEMA ones.
For those who haven’t seen them before I’m going to show a few examples, comparing each INFORMATION_SCHEMA (owned by the INFORMATION_SCHEMA schema) view to the more common sys (owned by the sys schema) system view I see. Note: I’m only showing the base sys system view. In most (if not all) cases retrieving the same information will require joining several sys system views and/or functions together.
INFORMATION_SCHEMA.VIEW_TABLE_USAGE vs sys.dependencies
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