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What are the uses of the information in the Data dictionary?
The following information is directly taken from the Data dictionary:
When It is better to use files than a DBMS? It is better to use files than a DBMS when Multiple users wish to access the data.
Parallelism of transaction execution: A transaction can be divided into various sub-queries that can operate on fragments in parallel. This enhances the degree of concurrency in t
What is average response time? The average response time is that the average time for a transaction to be done after it has been submitted.
what is er digram given that example of hospital,bank and library er digram.
What is Hierarchical DBMS In HDBMS, data is structured in a tree like manner. There is a parent-child relationship between data items and the data model is very suitable for re
Describe analysis of access paths To describe analysis of access paths, consider an example of the design of a company's employee skills database. A part of the object model fr
In the architecture of a database system which external level used? In the architecture of a database system view external level used.
INTRODUCTION Databases and database systems have become an essential part of our daily life. We encounter many activities that involve some interaction with a database almost
List the table modification commands in SQL? A) Deletion B) Updates C) Insertion D) Update of a view
Why did SAP introduce the extended star schema? Explain why it is reported to be better than the traditional schema model?
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