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4. Describe three ways to handle missing field values
Differentiate between logical database design and physical database design. Show how this separation leads to data independence? Basis Logical Databas
definition and its work
Inheritance Adjustment As in object oriented analysis and design terms inheritance defines a relationship between classes, where as one class shares structure or behaviour def
The indices are accumulated in the index files. The data is accumulated in the data files. Indices give fast access to data items. For example, a book database may be managed in th
Properties of a Transaction A transaction has four main properties. These are: Atomicity Consistency Isolation or Independence Durability or Permanen
Components of database manager The above functions are reached by the database manager. The major elements of a database manager are: Authorisation control: This mod
Creating views with Read only option : In the view definition this option is used to make sure that no DML operations can be done on the view.
Draw an EER diagram that captures the "is-a" hierarchy of students in another simple database. The database captures both the "basic" information (say, student ID and student name)
Describe association design of an object by giving one suitable example of it. The Design of Associations Associations are "glue" of advanced object oriented analysis and
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