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What is an entity relationship model? The entity relationship model is a collection of basic objects known as entities and relationship between those objects. An
Define multivalued dependency and 4NF. Ans: Multivalued Dependency - Assume R be a relation schema and let α ⊆ R and β ⊆ R. The multivalued dependency α →→β holds o
Write A short note on temporary tables? Temporary Tables - Temporary tables exists solely for a particular session, or whose data persists for the duration of the transaction
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
Question 1 Explain the concept of Foreign Key. How a foreign key differs from a Primary Key? Can the Foreign Key accept nulls? Question 2 With a necessary example explain (i)
What is a super key? A super key is a set of one or more attributes that collectively permits us to recognize uniquely an entity in the entity set.
Define Radix conversion method One clever way to transform binary numbers to BCD notation (binary-coded decimal) is the "double dabble algorithm". It can be adapted to transfo
With the help of a suitable diagram gives module wise explanation of system architecture of DBMS.on..
Hierarchical model is also known by? A hierarchical model is also known as a Tree structure.
Project Description: I would like to get a database of a website which has clients email name and phone number. If you are able to get information from a website, by entering
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