Statistics for The Relational Model

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General Stats
Answer Stats
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General Stats

This quiz has been taken 18,763 times
The average score is 21 of 23

Answer Stats

Question	Tile	Select	% Correct
What identifier is used to uniquely identify a record	A network key	No	99%
What identifier is used to uniquely identify a record	A wifi key	No	99%
What is a tuple?	Tulip spelled incorrectly	No	99%
What identifies the relationship between two pieces of data?	A super key	No	98%
Which of the following statements is correct?	DO SELECT FROM employee GET first_name	No	98%
What identifier is used to uniquely identify a record	A primary key	Yes	97%
How do we lock down what can be filled into a column? (multiple)	Paying attention	No	97%
Which of the following statements is correct?	SELECT * FROM employee;	Yes	97%
What is a tuple?	An entire table of data	No	96%
Which of the following statements is correct?	FROM employee SELECT *	No	96%
How do we lock down what can be filled into a column? (multiple)	Having someone inspect every record that's inserted	No	96%
What identifier is used to uniquely identify a record	A foreign key	No	95%
What is a tuple?	A row of data	Yes	95%
What did the relational model replace? (multiple)	The marriage model	No	95%
What identifies the relationship between two pieces of data?	A foreign key	Yes	92%
How do we lock down what can be filled into a column? (multiple)	Constraints	Yes	91%
What identifies the relationship between two pieces of data?	A primary key	No	90%
What did the relational model replace? (multiple)	The database model	No	88%
Is a DBMS vital to the relational model?	No	No	87%
Is a DBMS vital to the relational model?	Yes	Yes	87%
What did the relational model replace? (multiple)	The hierarchical model	Yes	76%
What did the relational model replace? (multiple)	The networking model	Yes	74%
How do we lock down what can be filled into a column? (multiple)	Datatypes	Yes	42%