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Which database object does not physically exist?
A view database object does not physically exist.
What is the main advantage of the object model? What are its different components? The object model focuses on the logical data structures. Each object model comprises of many
Consider the relation PERSON. If you want to display details of persons having age less than or equal to 30 than the select operation will be used as follows: σ AGE The resu
What benefits can a company gain by managing its own information infrastructure and servicea
Fragmentation: It is definite as partitioning of a relation into various fragments.Every fragment can be stored at a dissimilar site.
Explain the Query Processing Data Query Processing permits a user to report or analyze structured and unstructured data pulled from multiple data sources.
#ques Define a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes? Show the job scheduling dependencies in a p
The physical location of a record is determined by which mathematical formula that transforms a file key into a record location? The physical location of a record is determined
What are the situations while DBMS should not be used? DBMS should not be used in situations like: (i) No need of security. (ii) Not difficulty to access the data (iii) N
Define Database layer? The database layer defines the data formats used in the database.
domain
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