Why would a bank use fields which might be in the database?

Sales tax is an example of what kind of tax? Why does it cost a lot to set up a plantation exclude the cost of the factory? Can you open a bank account with out social security number? Why direct production labor cost might be regarded as a fixed cost rather than as variable cost? What is the method of accounting for securities where the transcation are recorded on the date the securities settle by delivery or receipt of the securities and the payment of cash known as? What are sources of increases to stockholders equity? What are the rules on revaluation of non-current assets? How do you use the word fiscal in a sentence? Where can I get a new W2 form? If you credit unrealized holding gain or loss what do you debit? Advantages of letter of credit? What is the purpose of database auditing? Why do governments charge money for e-filing tax returns when it costs them less than processing paper mail? Why documents necessary in business transaction? How do you find out your annual income? If a parcel of land that was originally acquired for 85000 is offered for sale at 150000 is assessed for tax purposes at 95000 is recognized by its purchasers as easily being worth 140000 and is sold? In 1995 what company was the first in world to post 1 billion in annual earnings? What types of merchant fees does Amex charge? How do you file taxes when one spouse is working and the other spouse is on social security? If supplies are return back to company and a reduction is on the account is it a credit or debit?

Why would a bank use fields which might be in the database?