When first designing a database it is not important what data type you assign each field because you can easily change it later

The item at a specific position i within an array can be accessed using the following format: ____.

A. i[].anArray() B. anArray.i() C. i.anArray[] D. anArray[i]

Transaction processing enables a program to ________ or ________ a transaction based on whether the transaction was successful.

a. save, delete b. commit, rollback c. save, rollback d. commit, delete