The term Data Warehouse had been used widely for many years by the industries such as banking, stock market, mega mall and factories. The technology indeed is able to expand the company business as...

The term Data Warehouse had been used widely for many years by the industries such as banking, stock market, mega mall and factories. The technology indeed is able to expand the company business as well in reinforcing decision making and understand the customer behavior. Explain THREE (3) the operations that users can do for decision making?

- Assume you are the database consultant for J-Star DB Consulting firm. One day you received a call from an online business company, they claim that their website is down. After the checking the website, the error is caused by transaction failure on the database. Describe ONE (1) technique that you can use to recover the database.