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Consider the relations: PROJECT(proj#,proj_name,chief_architect) EMPLOYEE(emp#,emp_name) ASSIGNED(proj#,emp#) Use relational algebra to express the subsequent queries: (i) Get
What is a transaction ? The Transaction is a unit of data processing. For instance, many of the transactions at a bank may be withdrawal or deposit of money; transfer of money f
Type of views : Simple views and Difficult Views Feature Simple Views Complex Views Number of tables One
er diagtram for icici
How are tables stored on Disk? We realise that every record of a table can have different amounts of data. This is due to in some records; some attribute values may be "zero".
What is object containment? References among objects can be used to model dissimilar real-world concepts.
please give me introduction to full data in D B M S in a short assignment
Why is database design important?
What are composite objects? Objects that have other objects are known as complex objects or composite objects.
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