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What does conceptual design work? A conceptual design involves modelling independent of the DBMS.
What is deadlock? Neither of the transaction can ever proceed with its normal implementation. This situation is known as deadlock.
This project will involve designing and creating a database for an organization. In the design of a database, there is no single "perfect" design. So your database design may not
what problems are raised by the database? why is it so controversial? why is data quality an issue?
What functions does a data dictionary perform? In a (DBMS)data management system, the principal functions performed by the data dictionary are Management of data defini
During the deletion of a tuple two cases can happen: Deletion of tuple in relation having the foreign key: In this type of case simply delete the desired tuple. For example, in
Properties of a Transaction A transaction has four main properties. These are: Atomicity Consistency Isolation or Independence Durability or Permanen
Describe the advantage of State chart Diagram A state chart represents a state machine, emphasizing flow of control from one state to other. A state machine is a behaviour whi
While sorting, if the main storage available is not enough, the system writes data to an external help file. The SAP profile parameter, which determines DIR_SORTTMP
What are partial, alternate,, artificial, compound and natural key? Partial Key: It is a set of attributes that can uniquely recognize weak entities and that are related to s
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