The term attribute refers to a ___________ of a table.
Column
WellDone! Your Selected answer is Correct. Attribute is a specific domain in the relation which has entries of all tuples
Record
Tuple
Key
Tag: Databases MCQs
The term _______ is used to refer to a row
The term _______ is used to refer to a row
Tuple
WellDone! Your Selected answer is Correct. Tuple is one entry of the relation with several attributes which are fields
Attribute
Field
Instance
A ________ in a table represents a relationship among a set of values.
A ________ in a table represents a relationship among a set of values.
Row
WellDone! Your Selected answer is Correct. Column has only one set of values. Keys are constraints and row is one whole set of attributes. Entry is just a piece of data
Column
Key
Entry
A relational database consists of a collection of
A relational database consists of a collection of
Tables
WellDone! Your Selected answer is Correct. Fields are the column of the relation or tables. Records are each row in a relation. Keys are the constraints in a relation
Fields
Records
Keys
PL/SQL provides many powerful functions to help you manipulate data. These built-in functions fall into which of these following categories?
PL/SQL provides many powerful functions to help you manipulate data. These built-in functions fall into which of these following categories?
All Options are Correct
Excellent Learner! Your answer is Correct. Please continue to expand your knowledge with Online Latest MCQs Website
Select
Begin
Start
Which of the following is an explicit numeric, character, string, or BOOLEAN value not represented by an identifier?
Which of the following is an explicit numeric, character, string, or BOOLEAN value not represented by an identifier?
Number,Date,Object reference
Excellent Learner! Your answer is Correct. Please continue to expand your knowledge with Online Latest MCQs Website
Error reporting,Character, Datatype conversion
Miscellaneous
None of the above
In CASE Expressions, which expression selects a result from one or more alternatives, and returns the result?
In CASE Expressions, which expression selects a result from one or more alternatives, and returns the result?
Literals
Excellent Learner! Your answer is Correct. Please continue to expand your knowledge with Online Latest MCQs Website
Delimiters
Comments
None of the above
Which of the following is used to declare a record?
Which of the following is used to declare a record?
Function
Excellent Learner! Your answer is Correct. Please continue to expand your knowledge with Online Latest MCQs Website
Procedure
Package
None of the above
Which of the following are used for displaying output on a web page?
Which of the following are used for displaying output on a web page?
%ROWTYPE
Excellent Learner! Your answer is Correct. Please continue to expand your knowledge with Online Latest MCQs Website
%TYPE
%Rows
None of the above
Which of the following results are true, when a ROLLBACK statement is issued to the database, the transaction has ended?
Which of the following results are true, when a ROLLBACK statement is issued to the database, the transaction has ended?
C. Both A & B
Excellent Learner! Your answer is Correct. Please continue to expand your knowledge with Online Latest MCQs Website
A. Operands
B. Operators
None of the above