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TSQL Challenge 19 - Working with consolidated calculations on hierarchical structures

This challenge involves generating an organizational hierarchy and calculating the total orders created by each employee and his/her subordinates. It involves a number of challenges such as generating a resultset in the correct hierarchical form, calculating the orders created by each employee and his/her subordinates and finally calculating the total orders created by self and all the subordinates.

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Question of the Day

Identities and Sequences IV

When thinking about the identity property and sequence objects, which of these can be used with numeric and decimal data types?

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