Question: A foreign key must have unique values in the relation in which it is a foreign key.

A foreign key must have unique values in the relation in which it is a foreign key.

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Programming Questions!

Q:

I -2 (4 points) Write an SQL statement to add an attribute difficultyLevel to the relation raceLap . Add an attribute name to the relation race and set name, location to be a foreign key in the...

Q:

I-1 (3 points) Write an SQL statement that creates a new table raceLap that stores the race Laps name, location, streetName, streetNumber and the length. The primary key being the combination of name...

Q:

A q , is an attribute that appears as a non - primary key attribute in one relation and as a primary key attribute ( or part of a primary key ) in another relation. Primary key Foreign key...

Q:

Integrity constraint violations occur when an insert, update, or delete statement violates a primary key, foreign key, check, or unique constraint or a unique index. To include integrity constraint...

Q:

Which of the following is the correct technique for representing a N:M relationship using the relational model? An intersection relation is created with a surrogate key, which is placed in each of...

Q:

i) customer(customer_Number, name, phone, address) ii) fransaction(transaction ID date, amount, customer_Number) The customer_Number" is the key for the customer relation, and transaction_ID" is the...

Q:

i) customer(customer_Number, name, phone, address) ii) fransaction(transaction ID date, amount, customer_Number) The customer_Number" is the key for the customer relation, and transaction_ID" is the...

Q:

i) customer(customer_Number, name, phone, address) ii) fransaction(transaction ID date, amount, customer_Number) The customer_Number" is the key for the customer relation, and transaction_ID" is the...

Q:

i) customer(customer_Number, name, phone, address) ii) fransaction(transaction ID date, amount, customer_Number) The customer_Number" is the key for the customer relation, and transaction_ID" is the...

Q:

1.Solve the following questions using Oracle. All comments and non executable Oracle statements in these files must start with the keyword REM (you may also use Java/C++ comment styles) Include...

Q:

Solve the following problem using the Simplex Method: Maximize profit = 9X1 + 7X2 subject to: 2X1 + X2 40 X1 + 3X2 30 X1, X2 0

Q:

In Problems , (A) Form the dual problem. Discuss.

Q:

According to the Securities and Exchange Commission, the definition of accredited investors includes all but which of the following? Multiple choice question. Any natural person who has a net worth...

Q:

Q1: Jim works at Taco Heaven as a fry-cook. Jim orders merchandise from Taco Restaurants Inc. delivered to his home and pays with a Taco Heaven check he found on the bookkeepers' desk. He signed,...