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Explain the steps for reduction of E-R model into relational model.
Ans:(a) Entity set in E-R model will be considered as table name in relational Model.
(b) Attributes of entity set in E-R diagram will be referred as fields or column name of table.
(c) Underline attributes of Attribute in E-R model will be considered as Primary key of the table.
Question : (a) Differentiate between database integrity and database security (b) Database security involves measures to avoid loss of privacy and loss of confidentiality. D
Describe Parameteric end users? Parametric end users might be given update access, but are commonly not permitted to change the structure of data.
can you create a database for me in oracle/sql
i need help with creating database system for a library
File Organisation In Dbms Introduction Databases are used to store information. Usually, the principal operations we have to perform on database are those relating to:
explain cascading rollback
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Explain Data Dictionary in short?
What is the way a particular application views the data from the database that the application uses? Sub schema is the way a particular application views the data from the data
What are the advantages of having an index structure? Ans: The index structures commonly provide secondary access paths, which offer alternative ways of accessing the reco
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