A database command that changes a file's structure. Field lengths and field names can be changed, and fields can be added or deleted. It may convert the old data file into the new structure without data loss, unless fields have been truncated or deleted.
 | Reproduced with permission from Computer Desktop Encyclopedia. Copyright (c) 1981-2008 The Computer Language Company Inc. All rights reserved. |
Additional Resources
- Can database lock-in be broken
- It seems to be an Iron Law. As a database structure grows more complex the cost of shifting vendors becomes prohibitive. Free becomes expensive and expensive nearly free. by Dana Blankenhorn
- Blog posts 2008-11-19
- Unstructured transparency - the management methodology that pulls us through the crunch?
- I've just spent a couple of fascinating days at the HCL Global Meet in Orlando, Florida. As the name suggests this was a very international gathering of HCL's partners, clients, staff and thoughtleaders in the management and collaboration space. I've written before about...
- Blog posts 2008-11-19
- iPhone vs. Android development: Day 1
- As I mentioned last week I've started learning more about developing for the Apple iPhone. This week I'll be sharing my experiences during a 5-day course on iPhone programming presented by Big Nerd Ranch. In particular, I'll be pointing out differences between Android and iPhone development. [Read:...
- Blog posts 2008-11-17
- Collision course for American-owned car makers
- America's auto makers were very handy in protecting themselves against having tougher fuel efficiency standards. Just this past year as fuel prices spiralled ever upward the feds finally increased the fuel efficiency standards after thirty years of stasis. So now those auto makers in America and elsewhere are...
- Blog posts 2008-11-17
- Netbooks, mini-notebooks, ultraportables and semantic fun with AMD
- AMD is targeting what Intel calls the netbook market, but not completely. Here's a tale of semantic fun on Friday night. When I read Brooke Crothers report on how AMD wasn't entering the netbook market I was shocked. After all, I was one of those people that...
- Blog posts 2008-11-14
- IDC research shows enterprise SOA adoption deepens based on certain critical practices
- According to the same poll ... What are most interesting are the top challenges in implementing SOA. All of our past studies reinforced that skills, availability of skills, and training in SOA continue to be a number one challenge. What's really noticeable now is that setting up an SOA governance...
- Blog posts 2008-11-12
- Best Buy cuts outlook; Sees 'most difficult climate ever seen'
- Best Buy said Wednesday that it is facing "rapid, seismic changes in consumer behavior have created the most difficult climate we've ever seen" and cut its earnings and revenue projections. Indeed, Best Buy's same store sales fell a whopping 7.6 percent for October. The company's outlook comes...
- Blog posts 2008-11-12
- With Glue, AdaptiveBlue frees us from the tyranny of the site
- Glue from AdaptiveBlue has been out since late last month, and various sites have provided reviews of this useful little tool. See, for example, Dan Farber, Chris Morrison, Sarah Perez, and Jennifer Zaino. I am not going to write another review. I would, however, recommend that you...
- Blog posts 2008-11-11
- The time is now for a Microsoft-Yahoo search deal
- The patience over Microsoft and Yahoo's never-ending deal dance is wearing thin among the chattering class--bloggers, analysts and folks sick of following this dysfunctional courtship--and the consensus is right. The time to do a Microsoft-Yahoo deal is now and it's time to put aside the bad boardroom blood and hook...
- Blog posts 2008-11-11
- Dapper incentivises structuring of web data with MashupAds
- Amit Kumar, the 'father of SearchMonkey' when he was Director for Product Management at Yahoo! Search, is now VP for Product Management at Dapper and clearly he is still finding the carrots with which to entice content owners to semantically structure their data. Dapper announced MashupAds today,...
- Blog posts 2008-11-10
- Nortel's Loss, Good News for the Enterprise
- As I was reading about Nortel's rerun today, I was thinking that there might be a silver-lining in all of this for enterprise folk. The bad news, of course, was Nortel's $3.4 billion loss reported for the third quarter, its worst loss since 2001....
- Blog posts 2008-11-10
- Nortel's rerun: Another purge, another restructuring
- Nortel's rerun: Another purge, another restructuringIntellectually?The R&D for one business unit is so different from the R&D for another business unit that it makes sense to split R&D and assure there's no coordination.Okay.Quoting:As part of that effort the company has announced today that it is moving to a business unit...
- Discussion threads 2008-11-10
- Nortel's rerun: Another purge, another restructuring
- Nortel on Monday purged its executive ranks--Chief Marketing Officer Lauren Flaherty, Chief Technology Officer John Roese, Global Services President Dietmar Wendt and Executive Vice President Global Sales Bill Nelson are all leaving Jan. 1--and announced yet another restructuring amid a weak earnings. Continuity and Nortel are two...
- Blog posts 2008-11-10
- Paymo.biz Time Tracker (zip)
- Paymo is a yet easy-to-use time tracking system. We know how unpleasant time tracking can be for employees, that's why Paymo is designed to make time tracking simple and fun once you've tried it you'll wonder how your business ever survived without it. Features: a online invoicing module that allows...
- Software downloads 2008-11-07
- CSS Templates (zip)
- Over 200 diverse, professional, and stylish CSS templates, ranging from simple to complex, created under the creative commons license. Free to use, modify, and distribute so long as the footer links remain intact.
- Software downloads 2008-11-07
- ABA English Mini Course (exe)
- ABA English's free mini course English contains all the English grammar in audio mode. With the mini course English you will discover all the English grammar in audio format in an easy and fast way. The mini course icon will be displayed in the system tray allowing you to search...
- Software downloads 2008-11-07
- ABA English Free Mini Course English (German) (exe)
- ABA English's free mini course English contains all the English grammar in audio mode. With the mini course English you will discover all the English grammar in audio format in an easy and fast way. The mini course icon will be displayed in the system tray allowing you to search...
- Software downloads 2008-11-07
- Fake WordPress site distributing backdoored release
- Fake WordPress site distributing backdoored releaselicense?I assume this is legal under the GPL as long as they distribute their source?nope, not legalIt's legal for them to modify and distribute the code, sure, but making use of WordPress' registered trademark is definitely not legal.
- Discussion threads 2008-11-06
- Axigen Mail Server (msi)
- A complete messaging solution with outstanding technical support, Axigen Service Provider Edition provides speed, security and reliability. Its failsafe, intelligent storage system helps you avoid any interruption of service or loss of data. It offers smooth, automatic migration from any third party mail server and helps build better, more appealing...
- Software downloads 2008-11-06
- Origramy Flash Graph Component (zip)
- Origramy is a flash component allowing online editing and displaying diagrams, graphs, workflows, organograms, fluxograms, timelines, tree structures, business processes, and simple presentations. Component data is stored in XML format which allows to modify the data dynamically on the site and keep information updated. Rich and intuitive interface, JavaScript support,...
- Software downloads 2008-11-06
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