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recovey techniques based on deferred update and immediate update
differences between a classified catalog and a dictionary catalog
Consider a typical sales invoice that would include the following information. Design a single table to hold all of the information required to store an invoice including this info
Synonyms It allows short names or alternative names for objects. Example : CREATE SYNONYM D30 FOR EMPD30; Now if we give command:
What is relational model feature? A relational model feature is much more data independence than some other database models.
What is a Name? A user-supplied name is used for identity. This form of identity is used for files in file systems. The user gives every file a name that uniquely identifies it
Explain in detail about Collaboration Diagrams Collaboration diagrams are interaction diagrams which emphasize structural organisation of an object that transmit and receive m
Differentiate between logical database design and physical database design. Show how this separation leads to data independence? Basis Logical Databas
Explain controlled redundancy? Controlled redundancy : The replication of data within the data warehouse for the purposes of improved data access or understand ability.
Server Control It is usual to control access to the data via the front end application, for example by displaying data as ‘read only'. This part of the assignment illustrates ho
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