a) What is Relational Database Management Systems (DBMS)? Give three examples of
DBMS
b) The entity “Student” has attributes such as Student ID, First Name, Last Name. Give three examples of other entities and list three attributes for each one of them.
c) Provide a unique attribute you will use to identify each entity you listed for Qb
d) Provide five IT roles you would like to endorse in your future company.
ANSWER TO THE ABOVE QUESTION
a) What is Relational Database Management Systems (DBMS)? Give three examples of
DBMS
ANSWER.
An RDBMS is a type of database management system (DBMS) that stores data in a row-based
table structure which connects related data elements. RDBMS makes sure the the data stored
is secure, accurate and that
its integrity and consistency is maintained.
EXAMPLES OF DBMS.
Oracle.
MySQL.
PostgreSQL.
b) The entity “Student” has attributes such as Student ID, First Name, Last Name.
Give three examples of other entities and list three attributes for each one of them.
ANSWER.
i)Entity "Course"
Attributes: course_code, course_title, course_duration.
ii)Entity "Department"
Attributes: department_number, department_name, department_location
iii)Entity "Transaction"
Attributes: transaction_Number, transaction_type, transaction_amount
c) Provide a unique attribute you will use to identify each entity you listed for Qb
ANSWER.
i)Unique attribute for "Course" entity is "course_code"
ii)Unique attribute for "Department" entity is "course_code"
iii)Unique attribute for "Transaction" entity is "transaction_Number, "
d) Provide five IT roles you would like to endorse in your future company.
ANSWER.
i)Help Desk Support to offer assistance to customers.
ii)Network Administration.
ii)Systems Engineering Management
iv)IT Project Management
v)Hardware engineering
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Thank you so much
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