473,400 Members | 2,163 Online
Bytes | Software Development & Data Engineering Community
Post Job

Home Posts Topics Members FAQ

Join Bytes to post your question to a community of 473,400 software developers and data experts.

is this valid

If found this twice in the 7.3.2 User Manual:

ALTER TABLE products ADD COLUMN description text CHECK (description <> ”);

Shouldn't there be TWO parenthesis marks?

---------------------------(end of broadcast)---------------------------
TIP 8: explain analyze is your friend

Nov 23 '05 #1
2 1234
Dennis Gearon <ge*****@fireserve.net> writes:
If found this twice in the 7.3.2 User Manual:
ALTER TABLE products ADD COLUMN description text CHECK (description <> ”);


Where exactly? All I see is description <> '' ...

regards, tom lane

---------------------------(end of broadcast)---------------------------
TIP 1: subscribe and unsubscribe commands go to ma*******@postgresql.org

Nov 23 '05 #2
Dennis Gearon <ge*****@fireserve.net> writes:
If found this twice in the 7.3.2 User Manual:
ALTER TABLE products ADD COLUMN description text CHECK (description <> ”);


Where exactly? All I see is description <> '' ...

regards, tom lane

---------------------------(end of broadcast)---------------------------
TIP 1: subscribe and unsubscribe commands go to ma*******@postgresql.org

Nov 23 '05 #3

This thread has been closed and replies have been disabled. Please start a new discussion.

Similar topics

12
by: lawrence | last post by:
I have a string which I want to send to eval(). How can I test it ahead of time to make sure it is valid code? I don't want to send it to eval and get parse errors. I want to do something like...
16
by: siliconmike | last post by:
Hi, I'm looking for a reliable script that would connect to a host and somehow determine whether an email address is valid. since getmxrr() only gets the mx records.. Links/pointers ? Mike
1
by: Anna | last post by:
Hi all. I have probably a rather stupid question. If there is an HTML document, XML-formed using JTidy, is there any tool to convert it to valid XHTML? I.e. so that all the tags and attribute...
7
by: JR | last post by:
Hey all, I have read part seven of the FAQ and searched for an answer but can not seem to find one. I am trying to do the all too common verify the data type with CIN. The code from the FAQ...
23
by: James Aguilar | last post by:
Someone showed me something today that I didn't understand. This doesn't seem like it should be valid C++. Specifically, I don't understand how the commas are accepted after the function...
3
by: Chris | last post by:
Hi, In C# I tried to save a file from a generated file name. Just before launching the dialog I check for a valid file name to be sure. There for I used the method ValidateNames from the save...
0
by: QA | last post by:
I am using a Business Scorecard Accelarator in a Sharepoint Portal 2003 using SQL Server 2005 I am getting the following error: Error,5/7/2005 10:50:14 AM,580,AUE1\Administrator,"Specified cast is...
1
by: Robert Morgan | last post by:
|I'm trying to run a query on a database using php and postgres functions ||<?php db_connect(); $stat = pg_exec($connstr,"SELECT WSID from tblWorkstation "); while ($row = pg_fetch_rows($stat))...
1
by: illegal.prime | last post by:
Hey all, I have an app, that could take two numbers of any type of numerical type int, long, double, float, uint, ulong, etc. I want to check that the numbers are part of a range that I consider...
10
by: SpreadTooThin | last post by:
Hi I'm writing a python script that creates directories from user input. Sometimes the user inputs characters that aren't valid characters for a file or directory name. Here are the characters...
0
by: emmanuelkatto | last post by:
Hi All, I am Emmanuel katto from Uganda. I want to ask what challenges you've faced while migrating a website to cloud. Please let me know. Thanks! Emmanuel
0
BarryA
by: BarryA | last post by:
What are the essential steps and strategies outlined in the Data Structures and Algorithms (DSA) roadmap for aspiring data scientists? How can individuals effectively utilize this roadmap to progress...
1
by: nemocccc | last post by:
hello, everyone, I want to develop a software for my android phone for daily needs, any suggestions?
0
marktang
by: marktang | last post by:
ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However,...
0
Oralloy
by: Oralloy | last post by:
Hello folks, I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>". The problem is that using the GNU compilers,...
0
jinu1996
by: jinu1996 | last post by:
In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven...
0
by: Hystou | last post by:
Overview: Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows...
0
tracyyun
by: tracyyun | last post by:
Dear forum friends, With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each...
0
agi2029
by: agi2029 | last post by:
Let's talk about the concept of autonomous AI software engineers and no-code agents. These AIs are designed to manage the entire lifecycle of a software development projectplanning, coding, testing,...

By using Bytes.com and it's services, you agree to our Privacy Policy and Terms of Use.

To disable or enable advertisements and analytics tracking please visit the manage ads & tracking page.