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How the time stamps are implemented
Use the value of the system clock as the time stamp. That is a transaction's time stamp is equivalent to the value of the clock when the transaction enters the system.
Use a logical counter that is increased after a new timestamp has been assigned; that is the time stamp is equivalent to the value of the counter.
Problem 1 Why are the operational system keys not recommended for forming data warehouse primary keys? Give any two examples 2 Explain the following performance tuning techn
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Give the general form of SQL query? Select A1, A2............., An From R1, R2..............., Rm Where P
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Hello.I have database access assignment which consist of creation Form, Subform, Calculation, Macros
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