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write short note on mobile database
What are the three classes of SQL expression? SQL expression consists of three clauses: Select From Where
I have been given 8 differebt data warehouseing failure case studies. I need to question 4 questions for each
Which is another name for weak entity? Child is another name of weak entity.
Explain the EXISTS and UNIQUE functions of SQL. Give an example for each? EXISTS: The EXISTS function takes one parameter that is a SQL statement. If any records exist which
Improved performance: As the data is located near the site of its demand, and given the inherent parallelism because of multiple copies, speed of database access may be good for di
CAN SOMEONE HELP ME WITH ENTITY DIAGRAMS IN FIRST NORMAL FORM?
The Form input elements are: Reporter name text type input Password
It is mandatory that for every table in the LDB hierarchy there should exist one GET statement in the report. False. It is not essential.
What is meant by object-oriented data model? The object-oriented paradigm is based on encapsulation of data and code related to an object in to a one unit, whose contents are n
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