It is essential to discuss the various database table possibilities when dealing with subtype associations. You should first settle on a layout and then talk about the issues that are directly related to that format.

Based on BITS database user views as designed in Your Turn 6-1 in this chapter. In each exercise, represent your answer in DBDL and with an Entity Relationship Diagram.  2. Indicate the changes you need to make to the design of the BITS database to support the following situation.  There is no relationship between clients and consultants.  When a client places an order (service request), it may be performed by any consultant.  On the order, identify both the client placing the order and the consultant responsible for the order.

The conditions under which the database designer should employ supertype and subtype connections are outlined.

E-R diagrams or DBDL may show database structure. Why do you prefer this method?

It is essential to discuss the various database table possibilities when dealing with subtype associations.Decide on a format, and then talk on the issues that should be addressed in it.

What is metadata, exactly? For a result set, what is metadata? Result set information might be helpful in some situations.

Develop a hybrid merge-join technique for scenarios when both relations are not physically sorted but have a sorted secondary index on the attributes to combine.