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Explain Record Based Logical Models? Record-Based logical Models: Also define data at the conceptual and view levels. Unlike object-oriented models, are used to state overall
File Manager File manager handles the allocation of space on disk storage. It starts and maintains the list of structures and indices described in the internal schema that is
differences between a classified catalog and a dictionary catalog
How Relational Calculus is different from Relational Algebra? What do understand by TRC queries and DRC queries? Ans: Relational calculus contain two calculi, the tuple relati
Which two files are used during operation of the DBMS? Data dictionary and transaction log are two files used during operation of the DBMS.
Probelm: a) In the context of OODBMS, define the following terms with appropriate examples. (i) Object class. (ii) Abstract class. (iii) Aggregation. (iv)
System R was developed and designed over a period of 1974-79 at IBM San Jose Research Company. Its purpose was to illustrate that it is possible to create a Relational System tha
what characterizes the levels in RAID technology
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
Hi is anyone well versed in accounting information systems available now to help me work through an important assignment due tomorrow at noon?
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