check if value exists


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

I have googled this for a while and I am getting lots of different results. Is there a standard method used for checking to see if a value exists in a database before inserting a value? I have a form, you type your name and push submit, it inserts the name into the database and then the name shows up in a list. Right now, it accepts the same values. I want to add a check to say

Did you know?Explore Trending and Topic pages for more stories like this.
if name exists, do something
No comments posted yet

Your Answer:

Login to answer
337 Like 35 Dislike
Previous forums Next forums
Other forums

Parse String
I need to parse the string below into three variables. How would I do that?

john + 10/20/2008

pointer 102 question
I read a book
1
2
3
4
5
6
7
8
9
10
11
12
int main() {

parse error
On my local machine I keep getting parse error for my footer. When I put it online, it doesn't show

TimeZoneOffset
Hello,

Please i need your help. I have a system that users can use to punch in and out. This

generating random codes
Hi guys n gals,

I have a requirement to generate 250,000 unique codes...

These codes a

Problems with array
This code is the last lines in an upload script that uploads 4 images at the same time and writes th

Blocking video streaming
Hello everyone,

I post a message here because i didn't find any solution yet.
I just finis

constructor ?
i have written this program and made 3 constructors in the class and i want to call them in the main

How to add advertisment on top of videos
Hello,
I was told that i should find the answer for this problem in this forums.
I searched a

WELCOME SCREEN
first of all let me tell you what does my script do,

it´s a very simple query to show a e

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