Answer:
Lists.
Explanation:
A relational database stores data in the form of lists.
Answer:
The left and right index finger
Explanation:
Left index finger: R, T, F, G, C, V
Right index finger: Y, U, H, J, B, N
Enroll a student identified by her snum into the class named 'Introduction to Database Systems' is the following transactions, state the SQL isolation level you would use.
1. Enroll a student identified by her snum into the class named 'Introduction to Database Systems'.
<u>Explanation:</u>
Since enroll is unique in the university enrollment database schema and field name is SNUM and it is data type is an integer. To identify student class name and department name and name of student SNUM field is used for searching in university enrollment database schema. Enrollment changing is not possible of the student’s not possible or not good practices in university enrollment database schema.
If a query had been made class wise or department wise enrollment is played an important role.
For assign, a faculty is made on the class id or department id.
<span>Keyloggers can be either software-based or deployed via hardware, such as a
recording "dongle" that is plugged in between a keyboard and a PC.
</span><span>The keylogger is also called keystroke logger or system monitor. This technology
used to monitor and record each keystroke typed on a specific
computer's keyboard. </span>
Advntage:
provides CPU scheduling, memory management, file management, and other operating system functions through system calls. The other one is that it is a single large process running entirely in a single address space.
Disadvantage: if anyone service fails it leads to an entire system failure
