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In a Hierarchical model of data records are organized ?
In the hierarchical model of data records are organized as Tree structure.
Extend your CREATE TABLE statement from problem 3 with referential integrity constraints. Updates and deletes on related rows are restricted. 6. From examination of the sample data
Create centralized relational database using bottom up method. (a) Recognize a single un-normalized relation for the above scenario. (b) Recognize the primary key for
Explain the Difference between DROP and DELETE DELETE deletes one or more than one tuples of a particular relation from the database. DROP is employed to remove a table from th
Define the Attribute Inheritance The attributes of a higher level entity set are inherited through a lower level entity set made by specialization-generalization hierarchy. Nam
education.
Explain the utilities which help the DBA to manage the database? Every DBA uses database utilities to maintain and control their databases. But there is a lot of confusion wit
What are temporary tables? Temporary tables exist solely for a particular session or whose data persists for the duration of the transaction.
PART MARKING: We will only mark TWO of the four questions below but you must submit answers to all four. We will choose the questions we mark randomly and we will supply you with
What are composite objects? Objects that have other objects are known as complex objects or composite objects.
Determine the steps of path in association network You can analyse use of paths in association network in the following steps: Examine every operation and see what asso
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