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What are the three classes of SQL expression?
SQL expression consists of three clauses:
Select
From
Where
Define a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes? Show the job scheduling dependencies in a pictori
Question: In relation to distributed database answer the following questions: (i) Give a brief definition of distributed database. Support your answer with an appropriate di
Scenario 1: Power goes out after the first instruction. What happens?
Multilevel Index The Multilevel Index is a modification of the secondary level index system. In this system we might be use even more number of levels in case the table is eve
Explain the Log Based Recovery Method? The system log that is generally written on stable storage consists of the redundant data required to recover from volatile storage failu
Which operator is Cartesian product in relational algebra? Cartesian product in relational algebra is a binary operator. (It requires two operands. e.g., P X Q)
What was the method in which records are physically stored in a specified order according to a key field in each record ? A method in which records are physically stored within
external and internal mapping with examples
QUESTION (a) Consider a car database consisting of car model, car make, car origin, Engine capacity, color, cost.
What is transaction? Transaction is a unit of program implementation that accesses and possibly updated several data items.
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