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Explain Stand Alone Query Language in details?
Stand alone Query Language - The query language that can be used interactively is known as stand alone query language. It does not require the support of a host language.
Write a short note on built in function in QBE? Built in function in QBE: QBE involves various built in functions like AVG, MAX,MIN,SUM and CNT. We must prefix these operator
Question: a) There are three concurrency problems, i.e. three types of potential mistake which could occur if concurrency control is not properly enforced in the database syst
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In the ER diagram, one example of subclassing is depicted following the Services entity. The subclasses Item Based and Time Based are created. The entity Services gains the attribu
What are the comparison operator in SQL? Comparison operator in SQL are =, LIKE and BETWEEN
Explain view in RDBMS? View - A view is a relation (virtual rather than base) and could be used in query expressions, which is, queries can be written by using the view as a re
Can you assist me in Database management system? I need help in my courses, please email me at and get back me soon...
What are temporary tables? Temporary tables exist solely for a particular session or whose data persists for the duration of the transaction.
How persistent programming languages differ from traditional programming languages? Database languages vary from traditional programming languages in that they directly manipul
what are the main characteristics of database
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