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Write short notes on relational model The relational model uses a collection of tables to show both data and the relationships between those data. The relational model is an ex
explain five responsibilities of DBA?
Describe domain constraints. Domain constraints contain entity integrity and referential integrity. The domain is a set of values that might be assigned to an attribute. The en
Give some encryption techniques? A) DES B) AES C) Public key encryption
What sorts of tables one can se in designing the hierarchy of a LDB? Tables, which are having Foreign Key relations.
Relational Algebra is a set of basic operations used to influence the data in relational model. These operations allow the user to specify basic retrieval request. The result of re
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Explain the term- Query. Queries are used to repossess and show specific records in a table. They can also be used to show specific fields of specific records, which meet the co
explain exhausitively the problems associated with er diagrams with ellustrations
Load sample data into the database tables design and test queries to return the following information • All rows and columns for employees • All rows and columns for customers •
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