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List the table modification commands in SQL? A) Deletion B) Updates C) Insertion D) Update of a view
Explain the function of Object model Object model describes the classes of objects in system, including their attributes and operations which they support. The analysis object
Query Processor The query language processor is responsible for taking query language statements or shifting them from the English-like syntax of the query language to a form
Design a database for an airline.The database must keep track of customers and their reservations,flights and their status, seat assignment on individual flights and, the schedule
what are the states of transaction?
Explain the challenges before an E-business management.
What is document scanning and imaging? Document scanning and imaging, or digital archiving, is the method of scanning a document into a digital image to archive and retrieve a
Explain controlled redundancy? Controlled redundancy : The replication of data within the data warehouse for the purposes of improved data access or understand ability.
Define the concept of aggregation. Give two examples where this concept is useful. Ans: Aggregation transforms a relationship among the objects into a higher-level object. A
Aggregation : One limitation of the E-R diagram is that they do not permit representation of relationships between relationships. In such a case the relationship along with its ent
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