Top Choice! Terrific Host! Great Support! Great Service! Now Green!
web hosting web host reviews JustHost Inmotion web host

Archive for 'Data Corruption'

How To Avoid Access Database Corruption

Tuesday, March 16th, 2010 at 10:02 am  
Comments Off

You may see a ‘corruption flag’ in the database file after unexpected disconnections, that flag indicates that your database is in a corrupted state even if it has been not corrupted at all. Every time you try to open your database when that flag is set, you will get a message and the database must be fixed before you can use it next time. You may waste a lot of time if you do not know how to fix your database or do not have permission to perform the repair. As a result will be a loss of productivity at work and frustration of the users before the database is available again. It is important for you to understand. However, using several simple tips you will be able to minimize the chances of data loss and corruption of your database.

First you need is to split your database. It will really help you to prevent corruption in Access database files as this way you reduce the chances of damaging or corrupting your database. Split your database into a ‘front-end’ and a ‘back-end’ because splitting the database will help you to stop corruption problems with your Access database.

Do not hold your connections open after use. It applies to both users and programmers. Being a programmer you know that all connections must be closed as soon as possible after you used them. When they are left open there are more chances for unwanted dropped connections. You may leave your connections open only if they are used inside a loop, but after it is completed, close the connections without exceptions. Thus, when you use some applications of Access database, close them after you have finished. Do not leave the applications open for a night, as it may cause some damage or corruption in the database file.

Incorrect exit may wreak havoc on your access databases, so always close your applications or database correctly. Every time first complete your tasks and after that close the application using Exit menu option.

Do not try to save on hardware. Some applications are ready ‘to die’ when there is the slightest hint of trouble on your network! They behave like a canary in the coal mine, when it dies at the slightest presence of gas. Do not use cheap inbuilt software that came with your computer, use brand network cards.

And of course, regular repairing and compacting of your databases will help to prevent corruption and definitely improve the performance of your PC. It is recommended to perform the inbuilt compact and repair function regularly, so repair and compact all your databases at night or at weekends and your computer will work fast and smooth like you want.

Need help with access 2007 training – this web site with microsoft access database advice and assistance can be the one that you’ve been looking for.

And a final piece of advice – today the online technologies give you a really unique chance to choose exactly what you need at the best terms which are available on the market. Strange, but most of the people don’t use this opportunity. In real life it means that you must use all the tools of today to get the info that you need.

Search Google and other search engines. Visit social networks and check the accounts that are relevant to your topic. Go to the niche forums and participate in the discussion. All this will help you to create a true vision of this market. Thus, giving you a real opportunity to make a smart and nicely balanced decision.

And also sign up to the RSS on this blog, because we will everything possible to keep this blog tuned up to the day with new publications about microsoft access database industry.


Creating Microsoft Access Database

Thursday, February 18th, 2010 at 6:30 am  
Comments Off

If you want to create the best possible Microsoft Access database, then this article might be useful to you. The items described in this article have been proved to be the main causes of slow performance, user difficulties, errors and data corruption in databases. Avoiding these mistakes will help you prevent minor or major database problems. So, here are the guidelines you should follow.

In order to increase the form’s performance and the loading of the drop down list, you should use the stored queries as the source of your record, because Access has already optimized them.

It is also important to use validation rules. This will help prevent errors due to data entry, because you will be able to restrict what information can be entered in the field. Let your user know what is required by using a message box. If you use the fields tag property, it will be easy to encode the type of validation for each field. Then you can simply loop through the fields list to select the validations. In order to increase the performance speed, you can also index the fields used in queries that link to the tables and the fields used as criteria in queries.

You can also increase the processing speed and using fewer amounts of storage and memory by optimizing the data types.

In order to have control over the solving database problems, always add code error handling to your routines. MDE file can stop working without letting you know anything useful about the error. For the same reason you shouldn’t use macros which do not allow trapping errors, except for menus.

Let users access only a copy of the front end database, which has everything except data. Never allow users access the original front end file. This way you will prevent the risk of unforeseen corruption. Make sure you always split the database into front end and the back end. The back end data should be placed on the network share and it should be compacted regularly. This will let you see if any data is corrupted or if any table indexing is corrupted. It will also reduce the file size.

When you link tables to dependent tables, use auto number field. They give better indexing and are harder for users to modify.

If you want to check for a potential duplicate data, use a code instead of multi-field key, which prevents duplicate data. You should also use the same name in related tables. Avoid using record sets in a multi-user environment unless it is a snapshot. And on large updates of record set, use BeginTrans and CommitTrans operations in order to speed up the updates by storing them in memory buffer temporarily.

These are some of the important points you should use, if you want to create an efficient and functional Access database and reduce the risk of corruption.

Need help with access database examples – this web site with microsoft access database advice and assistance can be the one that you’ve been looking for.

And a final piece of advice – today the web technologies give you a truly unique chance to choose what you want for the best price on the market. Funny, but most of the people don’t use this chance. In real practice it means that you should use all the tools of today to get the information that you need.

Search Google and other search engines. Visit social networks and have a look on the accounts that are relevant to your topic. Go to the niche forums and participate in the online discussion. All this will help you to build up a true vision of this market. Thus, giving you a real chance to make a smart and nicely balanced decision.

P.S. And also sign up to the RSS on this blog, because we will do the best to keep this blog tuned up to the day with new publications about microsoft access database industry.


Alternative Database Applications

Saturday, January 2nd, 2010 at 3:00 am  
Comments Off

When you learn to use Microsoft Access application and take training courses, you are told a lot about the benefits and capabilities of the database. But most training courses don’t tell you when it is better not to use the database, but this is something you should know as well. Access is a very powerful and functional application for many different tasks, but it is not necessarily the best choice for everyone. There are some reasons why sometimes it is better to use an alternative database application.

One of the reasons you might think to use another application is if your project is small. Relational database like Access is a very powerful tool, but not if you use it for small project. During the Access training you will understand all the difficulties of relational database design, which helps you to handle the power of this application. So, it is great if you need such a power for your project, but if you don’t then it is not necessary.

If your database is flat, where all the data is organized in rows and columns and there is no duplication of fields or records, it will be better to use Excel instead of Access. You will be able to manage the database easier and as long as you are the only user, there wouldn’t be a problem and you will have all the potential you need to perform your job.

On the other hand, Access database doesn’t really handle huge databases either. If your project is so big that one table might contain more than a million records, Access probably wouldn’t be enough for you. Access will start working slower as the database increases and you may encounter data corruption.

Access cannot also handle too many users accessing the database at the same time. More than 15 people accessing the database simultaneously and for a long time is already too much for Access. If you have short periods of high user activity, it should be fine, but if too much users are trying to access the database all day every day, it can lead to a lot of problems with your database.

One more reason why Access database might not be good for you is a diverse environment. It is well known that Access doesn’t function very well in environment with too many Windows versions. If there are multiple operating systems in your company, it may increase the risk of your Access database corruption. Now, it is less of an issue, with the newer operational systems, but if some computers are using Windows 98 or 95, it might be true.

These are some of the issues that most Access training courses do not cover, but it is useful to know about them before using the database.

The world of computers and computer applications expands all the time. But you can turn this issue into your strong point by catching up with this knowledge and becoming a pro, for example in microsoft access database sphere.

Please visit this website that specifies in microsoft access database topic and has a great line of microsoft access database products available.


Reduce The Risk Of Your Database Corruption.

Monday, December 28th, 2009 at 3:46 am  
Comments Off

There are some data types in the Microsoft Access database that are more prone to corruption. It is better to avoid them if you want to reduce the risk of your database corruption. But sometimes you have to use them, so you should learn how to use those data types properly and safely.

One of the data types is memo fields. They can indirectly cause entire database corruption. And even if you can repair your database, the records stored in the memo fields are usually lost. So, if you had important information stored there, it is lost. But, what if you need to store large amounts of text? One of the alternatives to the memo fields is storing text in a Word format as an OLE object. This method reduces the risk of data corruption and is more efficient for storing a large amount of text. This technique could be learned on advanced Access database courses.

But if you still need to use memo fields, don’t store them in the main table. Place them in a separate table and create a one-to-one relationship with the main table. So, even if the memo table gets damaged, the rest of the data is safe. You will add more protection, if you split the memo table and store the separate file on the back end.

Another big source of corruption to the Access database is the graphic files in Access database. You may learn on your Access courses how to add graphics to your applications and they might be very useful, but still dangerous for database. It would be perfect not to use them, but if you have to, learn to protect your database. To prevent corruption of your database due to the graphic files, you should do the same thing as with the memo fields – store them in a separate table, related to the main table. And put that table to a separate file on your back end server.

If you have taken Access database courses that have covered the last Access 2007 edition, then you must have learned about a new option, which is an attachment. It is a way of utilizing another resource, which is less cumbersome and less intensive storage wise than OLE objects. But the bad thing is they are also prone to corruption. And, again, you deal with attachments, by storing them in a separate table in a different database file. If you use different types of data, each of them should have separate table and a file. It is important to remember that corruption can destroy the entire database, which you have created for so long and which contains so much valuable information. So, the more separation you make the fewer chances you leave for the corruption.

Everything about microsoft access database: great training information, all sorts of business products (that can be tailored for the specifics of your business), special microsoft access database blog with tips and tricks about MA databases.

All this and more from a reputable UK based company which majors at microsoft access database and is helping clients all over the world.


Prevent MDB File Corruption.

Saturday, December 26th, 2009 at 3:30 pm  
Comments Off

Whether you have created a database or you are just a user, you still want your database to be running perfectly. But even though there are tools you can use for the optimum work of MDB file, you still can’t make the file remain perfect constantly. But still there are some important steps you can take to prevent MDB file corruption.

MDB files carry data in Microsoft Access database. And as it is central data storage, these files are important just as front end, which are used to carry different functions, display data and other instances. This makes it crucial to defend MDB files from data loss and corruption. We can see that there are many Access optimization tools, which are used to improve the performance and speed of the database. This proves the extreme importance of the MS Access files.

Just as any other database, MS Access works with back end and front end as well. Both database parts work together in creating an interactive environment, when the user is not aware of the database environment that is actually used by the software for storing data in rows and columns. When the data being entered, updated or extracted, very often the front end part of the database would lose connection with the back end part, which makes the MDB file vulnerable to corruption.

But even though some unexpected disconnections are effectively fixed by the MS Access database, if the front end disconnects frequently, it can result in the file corruption and will require an immediate file recovery.

There are some steps you should take to prevent MDB file corruption. The first thing to do is split your database. Storing all your data in one place is dangerous. After you handle the database, you should always close all connections. After doing that, make sure you exit the database in a proper way. You should also have a good hardware running your database. Regular database compact and frequent Access repairs will also reduce the risk of MDB files corruption. Following all of these steps will help you greatly reduce the risk of MS Access database corruption and the loss of data. You should and make sure you have valid backups of all the data you have in the main database. So, in case it is inaccessible, you can easily restore it from a backup.

But, sometimes, even these steps will not protect your database and the backup will not be accessible or helpful, so you still get MDB file corruption. In this case it is always wise to have powerful MDB recovery software, which will repair your files and the whole database easily and effectively in a matter of minutes. Such Access repair software will help you solve your database corruption problems, even when everything else fails.

All you need about microsoft access database: great training information, all sorts of business products (that can be tailored for the specifics of your business), special microsoft access database blog with hints, tips and tricks about MA databases.

All this and more from a trustworthy UK based company which specializes in microsoft access database and is assisting clients round the globe.


 Page 1 of 2  1  2 »