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5 Explain why the allocation of records to blocks affects database-system performance significantly?
To access a record, the entire block that containg the target record must be loaded into the main memory and it is time consuming. It involes seek time, rotational delay and block transfer time.
What was the primary use of statistics in ancient times?
it is was use full for ancient time in relocate location,identifying and its is most important in daily life
What does RDD mean?
Recommended Daily Dose or Recommended Daily Dose
What does record means data?
record data mean to write down your data. Data is the result of an experiment. It is useful to record data for farther use.
What are the advantages of bar graphs?
Bar graphs show a record in column form so over a period of time comparisons of the recorded information can be clear to see ADVANTAGES:- 1. Beautiful and neatly constructed diagrams/charts are more attractive then simple figures 2. Comparison is made easy and it will save time of the user to make quick comparison of large data. 3. You can record comparison between two things or objects.
