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
System of the state of national Es national
Answer:
"You passed the test!"
Explanation:
Here user reading grade "test_score" and checking the student score in "If" condition. If it is less than 60 we are printing "You failed the test!" and if it is >60 we are outputting the string "You passed the test!" and else if it not satisfying any of these then we are printing "You need to study for the next test!".As "test_score" value is 90 which is >60 it satisfies the condition >60. So we are printing the string "You passed the test!"
<span>"rws" means that the user has permissions to read, write and setuid. "r" means the user can read the file and "w" means that the user can write to the file. "s" stands for "setuid" (set user id) is a permission bit that allows the users to execute a program with the permissions of its owner. The "s" can also mean "setgid" (set group id) is a bit that allows the user to execute a program with the permissions of the group owner.</span>
Networking capabilities of a computer
