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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 to appear in the result table are from different tables after that a join must be employed.
Explain Dynamic Two-Phase Locking Here a transaction locks a data item instantly earlier than any operation is applied on the data item. After finishing all the operations on
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
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
examples of fields in a database
I have been given 8 differebt data warehouseing failure case studies. I need to question 4 questions for each
Explain the database Planning Project ?
Describe Database state in details? Database state: The actual data within the database at a particular moment in time is known as a database state.
need to get answer for questions 3&4 on this page in part 1
Define query optimization. Query optimization refers to the process of search the lowest -cost method of evaluating a given query.
Which model is record based logical model? Network Modelis basically known as record based logical model.
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