• 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
Mehdi Trene
Last answered:

07 Dec 2021

Posted on:

09 Nov 2021

0

why employees have the same number emp_no it shouldnt be unique?

in SQL / Duplicate Records
1 answers ( 0 marked as helpful)
Martin Ganchev
Instructor
Posted on:

07 Dec 2021

0

Submit an answer

related questions

Marcus Wern Han Leong
2
16
Why did you not do not null, primary key and auto increment for customer id in the solution?
Davide Sanchioni
0
14
Resolved: SQL Exam question number 29
Joseph Skvarna
1
14
Resolved: employees.sql database not found in resources
Christopher Watts
0
12
Error Code: 1364. Field 'customer_id' doesn't have a default value
Matt Birch
1
10
No rows in employees database
Evan Shows
1
8
Employees DB has no data
Archisman Das
0
8
Resolved: SQL Task- getting the names of all the managers who have an AVG salary of 85k+
Maxime Darbouze
0
8
I wrote the same command that is the sql file and it did not work

All the Data Science Courses You Need

About

  • About Us
  • Instructors
  • Contact Us
  • Pricing

Learn

  • Courses
  • Career tracks
  • Career Certificate
  • Course Certificate

Resources

  • Course Notes
  • Templates
  • Career Guides
  • Practice exams
  • Blog

Platform

  • Success stories
  • Q&A Hub
  • Help Center
  • Verify Certificate
© 2023 365 Data Science. All Rights Reserved.
Terms of Use Privacy Policy Cookies