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i would like to ask if you will do assignment of database number of words 1500 and how much
Explain outer join? Outer Join - If there are any values in one table which do not have corresponding value(s) in the other, in an equi-join which will not be chosen. Such ro
What is meant by the degree of relationship set? The degree of relationship type is the number of participating entity types.
Optimistic Concurrency Control Is locking the only way to stop concurrency related problems? There exist some other ways too. One such way is known as an Optimistic Concurrency
How persistent programming languages differ from traditional programming languages? Database languages vary from traditional programming languages in that they directly manipul
(a) Why did SAP introduce the extended star schema?
Differentiate between a subquery and a join If we need to acquire information from one or more tables after that either subquery or join can be used. If the columns which are t
What is a security? Securities are claims on financial assets. They can be illustrated as "claim checks" which give their owners the right to receive funds in the future. Sec
differences between a classified catalog and a dictionary catalog
external and internal mapping with examples
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