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What are the different approaches for database design? There are two basic approaches for database design which are as follows: Attribute driven: It compiles a list of att
Need a sample of a clinic database relationships
What is nested relational model? The nested relational model is an extension of relational model in which domains might be either atomic or relation valued.
courier company er-diagram
What is vertical fragmentation? Vertical fragmentation divides the relation by decomposing the scheme R of relation r.
System Design: An Object Oriented Approach Any software systems always try to change and evolve as technology and business rules evolve. The development of information systems
These permit the user to unload a database or parts of a database and reload the data on the similar machine, or on another machine in a dissimilar location. This can be useful in
Fundamentals of Database Management 1. Explain the concept of Foreign Key. How a foreign key differs from a Primary Key? Can the Foreign Key accept nulls? 2. With a necess
Determine the language that needs a user to specify the data to be retrieved with no specifying exactly how to get it is Ans: Non-Procedural DML
how to prepare a data dictionary for online examination system for certified courses?
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