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Problem
Explain at least five relational algebraic operators with a suitable example.
Note: All the above descriptions should be done by taking at least two examples from outside (Other than the text book examples)
An important first step to the statistical analysis of data is to "get to know your data". The following tasks should contribute to this. (a) To the right of the dataset cons
can you please explain with the help of suitable example the difference between conflict equivalence and conflict serializability?
While sorting field groups we cannot use more than one key field False.
Answer SQL Queries to extract data from data tables and questions on mapping conceptual data models into relational data model.
What are segments in oracle? Segments - Each table has single field of disk space, known as segment, set aside for it in the tablespace. Segments consist of contiguous sections
recovey techniques based on deferred update and immediate update
What is meant by object identifiers? Object-oriented systems use an object identifier to recognize objects. Object identifiers are unique: that is every object has a single ide
Define object-relational systems? Systems that give object-oriented extensions to relational systems are known as object-relational systems.
1) Information about a bank is about customers and their account. Customer has a name, address which consists of house number, area and city, and one or more phone numbers. Ac
what is lossless & dependency preserving decomposition ?
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