Data in Databases Are Constantly in Use or Undergoing Changes

Multiple Choice

Data in databases are constantly in use or undergoing changes.As a result,it is impossible to use them for complex decision making or problem solving tasks.Which of the following is an appropriate solution to this problem?

A) Set aside specific time windows each day for halting data changes or new inputs to the database so that decision making or problem solving applications can use the data.
B) Conduct decision making or problem solving tasks prior to transferring data to the database.
C) Use the database data anyway since the results are better than not conducting any decision or problem solving analysis at all.
D) Extract,transform and load database data into a data warehouse where it can be formatted for further analysis.