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What is conceptual schema?
The schemas at the view level are known as subschema that describe dissimilar views of the database.
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Increases efficiency : Data is stored close to most often used site, therefore retrieval would be faster. Also, data that is not required by local applications is not stored, there
For problems 1-4, give all candidate keys for the tables with FDs specified. Composite candidate keys must be put in parentheses, and candidate keys must be separated with commas
Design Of Distributed Databases: The distributed databases are mainly relational at local level. So a local database schema is the similar as that of a centralised database design
What is the meaning of Data Independence ?
List and also explain the dissimilar stages of DDLC ?
Question 1 Explain the concept of database recovery management. Explain the different levels of backup used for recovering data Question 2 What are the different types of par
What are multiple inheritances? Multiple inheritances allow a class to inherit variables and methods from many super classes.
What are domain constraints? A domain is a set of values that might be assigned to an attribute .all values that appear in a column of a relation must be taken from the similar
i would like to ask if you will do assignment of database number of words 1500 and how much
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