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Web Hosting - Databases, What Are They and Do You Need One?
'Database' is one of the most commonly used terms that one encounters in web site design. Yet, what they really are and whether they're essential is often not clear to novices.
A database is a collection of organized data, stored in files that have a specific structure. It's that organization and structure that allows for easy and rapid storage and retrieval.
The need for a database generally only arises when you have a certain amount of information and that information needs to have some structure. If you have a half-dozen names and addresses to store, a database is usually overkill. If you have a blob of data with no relationships between any of the items in that blob, maintaining a database is usually more trouble than it's worth.
Maintain a database? Yes, like other complex systems a database, to be effective, needs to be designed properly at the outset then kept 'tuned' for good performance. The alternative is to gradually allow the database to become more and more disorganized. That leads to difficulty in use, poor speed of retrieval and more frequent failures.
With MySQL, Access or MS SQL Server, the three most common choices of database product for web sites today, setting up a database is relatively simple. Even those with limited technical skill can get one up and running just by following some simple instructions. But some thought should be given to how you want the information organized, and to maintaining the system during its lifetime.
Suppose you have a set of names, addresses, email addresses, products purchased, date purchased and amount. If you have only a few dozen records it matters very little how these pieces are arranged and related. A database usually isn't even warranted in this scenario. Once you have several thousand or more records, it matters a lot. Speed, the ease of expanding the set of attributes (like adding, say, product category), and other issues come into play.
Even those with little technical expertise, but a willingness to exert logical thought and invest some time, can build a very robust database. Think about how you would organize a set of data (called 'tables'). Should Name, Address, and Product be in the same table? Or should the personal information be stored in one table and any product information (product, price, ...) in another?
Some experimentation may be needed to get it right, but the choices have an impact on how easy the tables are to maintain. It also affects the speed with which programs can fetch old data and store the new.
Having a database also introduces new maintenance issues for the server administrator, since backups usually need to be done differently. Recovering a failed database is usually more complicated than simply re-copying files from yesterday. Ask your hosting company what tools and skills they have for dealing with any database system you consider.
It's true that introducing a database creates more complexity and the need for additional thought and administrative effort. At a certain level, professional expertise will be needed. But clearly the advantages outweigh the costs in many cases. Companies large and small eventually use databases to store and organize data. At some point, you may be fortunate enough to be one of them.
Reinventing Yourself Can Make a Difference in Landing a Better Job Are you stuck in a dead end job that isn’t getting you any closer to your goals? Did you wake up one morning to find yourself knee deep in a career you never wanted and one that is not making you happy? Many people feel this way – it can be easy to “fall into” a career that you think is temporary and then get so caught up in the day to day aspects of the job that never quite get out of it. If you find yourself in this kind of rut, the good news is that it is never too late to make a fresh start. No matter what your age is or what stage in your career you are at, you can always reinvent yourself to get closer to that perfect job. All you have to do is work up the courage to make the jump. The first step in giving yourself a career makeover is identifying exactly what you want to do. While it may be true that there is always time to reinvent yourself and start over, if you have to go through the process too many times, you are only wasting valuable time that could have been spent doing what you love. Don’t fall into yet another career that isn’t all that is it cracked up to be. Think about the things that you wanted to do when you first entered the working world. What was your dream job then? What career field was your passion? Is it still what you want to be doing today? Discover your dream, and then start building your goals around it. Once you know what you want to do, the time comes to start researching it. How do most people get started in the field? Will you need to start your own business, or are there companies out there already doing what you want to do? What kinds of entry level positions are available? Will you be able to do this in your town, or would moving to another city mean more opportunities for you? Before you make the leap, research your job options carefully. You may need to plan financially for the step you are about to take, so do your homework up front. Talking to other people in the field you want to enter is a great way to get actionable advice from people who have been there. When you know what kind of experience you will need to get started in the field of your dreams, think about the experience you have had in the past, and what you have done that matches up. This can mean either work related experience or things you have done as a hobby or class you have taken in school. Be creative here – you may have experience you don’t even realize you have. For instance, if you want to open a bakery, and you are always in charge of the bake sale at your child’s school, this counts as experience. Comb through your history and pick out all of the things you have done that will give you a leg up in your new career. Last but not least, you have start creating a new image to present to the working world. Start over with a brand new resume, this time highlighting the experience you have this is relevant to your new career goals. Work on a great cover letter that explains your passion and why you want to switch fields. If you are starting your own business, work on building a website and creating a brand you can be proud of. The sooner you start living your new career, the sooner your dream job will fall into place. Family Entertainment – How to Get a Free Ticket for your Child Free tickets are not something that can be found very often, but every once in a while there is a company that offers a free ticket for your child. How about a free ticket to the circus? Almost all children love the circus and there will be that point in time when a child sees the circus come to town and wants nothing more than to go to one of the shows. Honestly, circus visits can break the monthly budget that was planned so carefully, not taking in account such activities. Well, the circus actually offers a free ticket to children of all ages, as long as that ticket has been requested within baby’s first year. On his or her own web page, the circus offers the ticket to anybody that signs up for it. As babies grow, many new things come along, baby will learn to crawl, baby will get the first teeth and at some point baby will be big enough to visit the circus. The First Circus program is for parents and their newborn up to twelve months that are living in the Unites States. All the parents have to do is to visit the circus own homepage and sign up for the program, to receive a free ticket voucher and a special personalized baby certificate. The certificate is printable online and the ticket voucher will be sent to the parent’s home address. The voucher can be exchanged for a free ticket to any of the participating circus performances, anytime, anywhere. The voucher does not have an expiration date. Unfortunately for parents that did not know about the program and whose children are older than twelve months there is only the possibility to receive a commemorative certificate and no free ticket. Therefore it is important for all parents to find out about this wonderful program that will help their child to their first circus experience without breaking the parent’s bank account. On the other hand, the circus visit is free for children under the age of two as long as they sit on an adults lap. By the way, if a child was adopted after the age of twelve months there is still a chance for a free ticket as long as the parent requests it as per direction on web page within the twelve months after adoption. In general the circus will only give a way one free voucher per family per year, but they will make exceptions for parents of multiples. Parents of multiples will have to check out the circus page and follow the directions given there. Since it is not possible to order more than one free voucher besides the few exceptions, every duplicate order that is done by parents after signing up for the first time will delay the original order for the free voucher. It might be also important to know that this free ticket is a very good deal, since children’s tickets have the same price as adult tickets for circus performances. Sometimes, in bigger cities there are special offers from bigger supermarket chains or other places, where a discount on tickets is given, but in general the circus itself does not offer any other discounts. Any parent should take advantage of this First Circus program, since it is not often that companies do give away tickets for free. Circus also has never lost its magical and still pulls the crowds and makes children gasp in astonishment or laugh out loud when seeing the circus clowns. How often do children nowadays have a chance to see elephants stand on their back feet, artists balancing on ropes or swinging and flying through the air and funny clowns fall over their own feet? |