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Backward Recovery (UNDO):In this system the uncommitted changes made by a transaction to a database are undone. Instead the system is reset to the last consistent state of database that is free from any errors.
what is correlation in nested query
Section A: Use the following tables to create a database called College. Use SQL commands. Student stuid(primary) lastName firstName
which component of DBMS can be embedded in a program? The data manipulation language (DML) is a component which is embedded in a program.
Improved performance: As the data is located near the site of its demand, and given the inherent parallelism because of multiple copies, speed of database access may be good for di
State the Component Diagram A component diagram represents a set of component and relationships among them. In a dynamic model, component diagram is used to model physical com
i have assignments I don''t have time to finish because of work and other assignments, can you help with this? All are from the book Darabase design, application development and a
About Attribute inheritance
various techniques of hashing?
The data of a view is not physically stored, but derived from one or more tables. True the data of a view is not physically stored
Explain Derived and Non-Derived Attribute? In few cases, two or more attribute values are related, for instance, Age and BirthDate attributes of a person. For specific person e
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