Answer:
b. data entry slows as every INSERT , UPDATE, or DELETE statement must also update every index.
Explanation:
This process help to improve the speed of get data , it takes each element in the indexed column and save the location to get faster the data. But if you index every attribute in a table it going to take a lot of time locating each column in the respective index in each query(update, delete and insert). For that reason is necesary be carefull with this process and only put index in the relevant columns
Answer:
i can't read a single word on there i'll come back to it if you can zoom in a little
Explanation:
Answer:
Total amount of calories = 325
Explanation:
Given:
Amount of carbohydrate = 58 gram
Amount of protein = 12 gram
Amount of fat = 5 gram
Find:
Total amount of calories
Computation:
1 gram protein = 4 calories
1 gram carbohydrate = 4 calories
1 gram fat = 9 calories
Total amount of calories = (58)(4) + (12)(4) + (5)(9)
Total amount of calories = 232 +48 + 45
Total amount of calories = 325
Network topology is the arrangement of the elements of a communication network. Network topology can be used to define or describe the arrangement of various types of telecommunication networks, including command and control radio networks, industrial fieldbusses and computer networks.
Advantages:
It is easy to handle and implement.
It is best suited for small networks.
Disadvantages:
The cable length is limited. This limits the number of stations that can be connected.
This network topology can perform well only for a limited number of nodes.
Hey it is 15 hope this helps
