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Define object-relational systems?
Systems that give object-oriented extensions to relational systems are known as object-relational systems.
what problems are raised by the database? why is it so controversial? why is data quality an issue?
how to construct labelled precedence graph for view serialiability.please explain insteps with one solved examples
#what is cursor its uses ? Explain it
The issues relating to the Design of the Physical Database Files Physical File is a file as stored on the disk. The major issues relating to physical files are: • Cons
normal forms
tell me the functionality,advantages and disadvantages of student database
What are partial, alternate,, artificial, compound and natural key? Partial Key: It is a set of attributes that can uniquely recognize weak entities and that are related to s
Consider the relations EMPLOYEE(emp#, name) ASSIGNED_TO(project#, emp#) PROJECT(project#, project_name, chief) Express the subsequent queries in Relational Algebra (i) Ge
Question 1 Explain the concept of database recovery management. Explain the different levels of backup used for recovering data Question 2 What are the different types of par
Using Relational Algebra which query finds customers, who have a balance of over 1000 ? Using Relational Algebra Π Customer_name( σ balance >1000(Deposit)) is query to find cu
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