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Design a gennalization and specialization hierarchy for an automobile sales company
A database administrator''s responsibilities and data contents
read-set(T) : Each data items that are read by a transaction T Timestamps : for all transaction T, the start-time and the end time are reserved for all the three phases.
What are temporary tables? Temporary tables exist solely for a particular session or whose data persists for the duration of the transaction.
In a relational model how relations are termed? In a relational model, relations are termed as tables. (The term ‘relation’ is the technical name of the ‘table’ in RDBMS)
What is OLTP (Online Transaction Processing)? In OLTP - online transaction processing systems relational database design use the discipline of data modeling and generally follo
In a Hierarchical model of data records are organized ? In the hierarchical model of data records are organized as Tree structure.
Illustrate the class diagram for class room scheduling system If in any college, the number of classrooms are limited which have to be allocated to various classes and instruct
#question benefits and limitations of data models..
Question: (a) One of the steps in the five-step problem-solving model is implementation. Implementation is considered a key step in the problem-solving model. A problem may be
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