We help IT Professionals succeed at work.
Get Started

delete duplicates with a null value

r3nder
r3nder asked
on
8 Comments
1 Solution
88 Views
Last Modified: 2015-06-16
I have a query that is pretty long - at the end before I do the select I want to delete duplicate serial numbers with no jobtype
how can I do this
Example data
type|SN|qty|job type
____________________________
TN        87       1       
____________________________
TN        87       1      surefire
____________________________
TN        88       1       
____________________________
TN        88       1      surefire
____________________________
Comment
Watch Question
Database and Application Developer
Commented:
This problem has been solved!
Unlock 1 Answer and 8 Comments.
See Answer
Why Experts Exchange?

Experts Exchange always has the answer, or at the least points me in the correct direction! It is like having another employee that is extremely experienced.

Jim Murphy
Programmer at Smart IT Solutions

When asked, what has been your best career decision?

Deciding to stick with EE.

Mohamed Asif
Technical Department Head

Being involved with EE helped me to grow personally and professionally.

Carl Webster
CTP, Sr Infrastructure Consultant
Ask ANY Question

Connect with Certified Experts to gain insight and support on specific technology challenges including:

  • Troubleshooting
  • Research
  • Professional Opinions
Did You Know?

We've partnered with two important charities to provide clean water and computer science education to those who need it most. READ MORE