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What is the difference among a database schema and a database state?
The collection of information stored in database at particular moment in time is known as database state although the whole design of database is known as database schema.
Determine Which is not a consequence of concurrent operations? Ans: Update anomaly.
Explain the Deferred Update The deferred update methods do not physically update the database on disk till after a transaction reaches its commit point; after that the updates
Define the term Domain. For each n every attribute there is a set of permitted values known as the domain of that attribute.
Draw an ER diagram for company''s database schema
what do you mean by primary key constraint?
Which product produces the relation that has attributes of R1 and R2 ? Cartesian product produce the relation which has attributes of R1 and R2
how to submit answers softcopy
i want to database for online assignment submission system
About Attribute inheritance
Define multivalued dependency. What do understand by trivial multivalued dependency? Ans: A multivalued dependency is a full constraint among two sets of attributes in a rela
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