Answer:
A. an instance of the same data is stored in two or more places in the database.
Explanation:
Giving that Update Anomalies usually occur when the designated user person in keeping records or record master stored a particular data in more than one in a database. This is what is called duplication of data and is termed an irregularity on the part of the record keeper.
Hence, the correct answer to the question is " A. an instance of the same data is stored in two or more places in the database."
Yes but you will need more than one battery
One advantage of Binary Search Algorithm:
Compared to Linear search it is much faster because linear search starts its searching right from the first value but binary searches for something by splitting the array in two again and again and again.
One disadvantage of Binary Search Algorithm:
Have to be sorted, unlike linear search that doesn't have to be.
Variables can be useful because they hold a certain number/data value that can easily be accessed and changed. For example, in a game, a players score is a variable that changes as the player gets more points; ie coins, items, etc.