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.
Answer:
C. Modern Programming Language Skills
Explanation:
Answer:
ISO 27002
Explanation:
The acronym ISO stand for The International Organization for Standardization. its a non governmental body that is responsible for setting standards guide internationally.
while NIST stand for National Institute of Standards and technology and it is also a body that is responsible for setting up standard guide in the US..
ISO 27002 is a standard code for implementing information security management systems. while ISO 27017 is for cloud security. NIST 800-12 is a general security and NIST 800-14 is for policy development. thus option A is correct.
Note :
All code preceded by ISO is from The International Organization for Standardization and are international standard. while those preceded by NIST is from National Institute of Standards and technology and are not international standard.
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