Question: MySQL: FOREIGN KEY Constraint Which expression is not correct? Pick ONE option A column might have a foreign key reference to itself. MySQL supports foreign

MySQL: FOREIGN KEY Constraint
Which expression is not correct?
Pick ONE option
A column might have a foreign key reference to itself.
MySQL supports foreign key references between one column and another within a table.
Corresponding columns in the foreign key and the referenced key must have similar data types.
None of the above, all expressions are correct.
Clear Selection
MySQL: FOREIGN KEY Constraint Which expression is

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:

needed a bit of help on the ones I got wrong or why I got them wrong I wasnt given an ER diagram to do this. this was all the information I received. Question 1 0/2 points In order to be used as a...

Q:

LAB 01 - SUBMISSION Answer the following questions in the provided space. Save your file as a PDF file and name it as following: BTM210_LO1_LastName.sql. Tasks: By navigating through SQL Developer...

Q:

write the SQL statements to do the following: a. Modify the CUSTOMER table so the customer number field is set to auto increment and the auto increment value is set to 2000. (Note: The INVOICE table...

Q:

Question 1 ( 1 0 points ) A check constraint is inter - relational. Question 1 options: True False Question 2 ( 1 0 points ) A foreign key constraint is intra - relational. Question 2 options: True...

Q:

QUESTION 6 Questions 6-13 Uses the following E-R diagram Employee Employes ID Name EMPLOYEE Is assigned Office Number SALES OFFICE Location Lists Property Address City PROPERTY State Location Zip...

Q:

QUESTION 6 How many tables are created from the E-R diagram in Fig. 3? a. 6 b. 3 c. 4 d. 5 1 points QUESTION 7 Consider the following statement: Alter table employee Add constraint...

Q:

Perform all the following steps in order. Write (and run) SQL queries to: 1. Create a junction table with artist_id and rec_id as fields. Call this new table rec_artist. Create a foreign key...

Q:

Perform all the following steps in order. ***WRITE SQL QUERIES TO: ---STEPS ALREADY COMPLETED--- 1. Create a junction table with artist_id and rec_id as fields. Call this new table rec_artist. Create...

Q:

Perform all the following steps in order. ***WRITE SQL QUERIES TO: 1. Create a junction table with artist_id and rec_id as fields. Call this new table rec_artist. Create a foreign key constraint for...

Q:

When coded within a SELECT clause, which TOP clause will return a result set consisting of the ten largest InvoiceNumbers? Question 1 1 options: TOP 1 0 InvoiceNumber TOP 1 0 InvoiceTotal TOP 1 0...

Q:

An Internet survey at a newspaper Web site reports that only 14% of respondents believe in gun control. Mention a lurking variable that could bias the results of such an online survey, and explain...

Q:

A plant manager would like to show that the yield of a woven fabric in his plant does not depend on machine operator or time of day and is consistently high. Four randomly selected operators and...

Q:

The Equal Credit Opportunity Act: Is a companion to the Equal Opportunity Act and designed to provide women credit Is a measure that has recently been overturned by the U . S . Supreme Court...

Q:

Emerson Corp. is trying to decide whether to lease or purchase a piece of equipment needed for the next five years. The equipment would cost $507,000 to purchase, and maintenance costs would be...