Adam was in the fifth grade when he was adopted by the smith's. because his school used a centralized database, all of his teachers had his correct name on their grade reports. this is an example of how a centralized database can improve data .

Integrity

Explanation:

 The data integrity is the term which refers to the data quality and the data integrity is one of the important factor can be improved as it maintains the accuracy and also consistency of the data in system.

According to the given example, the centralized database can helps in improving the data integrity in the system as we can easily update the records in the database system and we can also retrieves the given data from the system.

Therefore, Data integrity is the correct answer.  

a naked warrant, also known as a covered warrant, is a derivative that allows the holder to buy or sell a security, such as a bond or share. unlike a normal warrant, it is not attached to a newly issued bond or preferred stock.

unsecured bonds: they are not secured by a specific asset, but rather by "the full faith and credit" of the issuer. in other words, the investor has the issuer's promise to repay but has no claim on specific collateral. debt, such as unsecured bond debt, is said to be “subordinated,” or junior, to secured debt.