First-Name, Last Name, Addrel STUDENT COURSECCRod Coane-Name, Department-1D DEPA
ID: 3729449 • Letter: F
Question
First-Name, Last Name, Addrel STUDENT COURSECCRod Coane-Name, Department-1D DEPARTMENT Depactmcet ID Department-Name) CLASS Class Cede, Course, Sections, Studeet-ID, Grade ENROLLMENT Stedent IR Cas Ceds Grade Cells in lational database table should not contain more than one data value tollowing is a composi ) Grade Address (c) Student-ID (d) none of the above Which of the following functionalL dependense is valid? /a) Course# Class-Code ((b) Class-Code Section") (c) Class Code Stu 3 the above is valid Which of the tables in the above database is a weak entity? 4(a) student (b) course (e) department (d) class (e) none of the above Which of the tables in the above databa (a) student (b) course (e) department ((d) enrollment Xe) none of the above ch of the follow (a) CLASS and ENROLLMENT b) STUDENT and CLASS () CLASS and COUR Can a foreign key column contain NULL or blanks?(a) yes (b) no of tables has a strong or identifying relationship? Vhich of the following is a multi-valued attribute ) Student-ID DENT table? (b) First-Name (c) Last-Name (d) none of the above ich of the following is a multi-valued attribute in CLASS table? lass-Code (b) Course# (c) Section# (d) Student-ID (e) none of the a of the following is a foreign key column in the COURSE table? rse# (b) Course name(c) Department-1)d) none of the aboveExplanation / Answer
Answer 1) False is the correct option
A relational database can have more than one data values. A relational database is made up of vartical columns and horizontol rows.
Answer 2) The correct answer is d) none of the above
As the first name and last name are comprised of Name thus forming a composite attribute. In this, each component of name becomes a separate attribute
Answer 7) Yes, there can be null values in foreign key column
Answer 8) d) None of the above is the correct option as every attribute in the class seems to be a single value and does't look like to have multiple values
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