why this query can delete duplicates ?


Posted on 16th Feb 2014 07:03 pm by admin

why this query can delete duplicates ? Anybody can give me the detailed explanation ?

Thanks

select salary from employees union select salary from employees;

No comments posted yet

Your Answer:

Login to answer
203 Like 28 Dislike
Previous forums Next forums
Other forums

Where is my php.ini???
Hi

First off - apologies - i'm not a coder so this may sound very amateur.

I'm having

Embedding flash object in Else statement
This is my first major project in PHP and I'm having some trouble embedding a flash object in an Els

Edit MySQL Row Using PHP and HTML Form
Hello,

Here's what I'm trying to do. Build a page where a user enters a MySQL row number in.

Quick variable question
hey guys/gals,
im trying to write a php script and it works fine as i have it, but i need to set

. and .. appearing instead of pictures
First of all, thanks very much for providing this forum. It is very much appreciated!

My son

Sign up to write
Sign up now if you have flare of writing..
Login   |   Register
Follow Us
Indyaspeak @ Facebook Indyaspeak @ Twitter Indyaspeak @ Pinterest RSS



Play Free Quiz and Win Cash