Learn
Courses
Career Tracks
Upcoming Courses
Certificates
Career Track Certificate
Course Certificate
Resources
All Resources
Course Notes
Templates
Infographics
Career Guides
Practice Exams
Blog
Success Stories
Pricing
Business
Team Plan
Live Trainings
Log In
Sign Up
Follow this topic
Share
Maxime Darbouze
Last answered:
18 Apr 2022
Posted on:
11 Apr 2022
0
Key constrain exercise codes are not working
in
SQL
/
PRIMARY KEY constraint
1 answers ( 0 marked as helpful)
Martin Ganchev
Instructor
Posted on:
18 Apr 2022
0
Submit an answer
Submit answer
related questions
Jaycus Goh
1
38
foreign key tab missing foreign key
Rhys Morgan
2
28
Rollback not reverting DB state after using INSERT INTO
Marcus Wern Han Leong
2
16
Why did you not do not null, primary key and auto increment for customer id in the solution?
Joseph Skvarna
1
14
Resolved:
employees.sql database not found in resources
Bader Alsahli
3
12
sample employee Database not found as resource to be downloaded
Michele Cannito Buch
0
12
Resolved:
DROP FOREIGN KEY sales_ibfk_1 -- huh?
Lizeth Alexandra Estevez Joya
0
12
The schema section does not show the tables in the Tables subsection.
Rafael Rodrigues de Siqueira
22
10
The ROLLBACK not working according to step-by-step class