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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 entity is a thing or object in the real world that is distinguishable from other objects
example of bank
For the relations R and S given below: R S A B C 1 4 7 2 5 8 3 6 9
Explain TPS concurreny executions stating their advantages in online business advancement
What is Relational Algebra? Relational algebra is a Procedural query Language?
What are temporary tables? Temporary tables exist solely for a particular session or whose data persists for the duration of the transaction.
What are the function of DBA?
2NF Normal Form : A relation schema process R is in 2NF if it is in 1NF and each non-prime attribute A in R is fully functionally related on primary key. Second normal form (2N
i need help for assignment ..
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
The External or View Level The external or view level is the highest level of abstraction of database. It gives a window on the conceptual view, which permits the user to see
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