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Archive for 'Microsoft Access Database'

Microsoft Access Database Knowledge

Tuesday, December 22nd, 2009 at 10:45 pm  
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Microsoft Access can be easy to use for a beginner and to build simple databases, but sometimes you just have to use more than basic features. MS Access gives us opportunity to create databases according to different levels of user’s skills and knowledge. There are wizards and design tools that can help you create nice applications. But if you want to make your database more functional and have more control over the application, then it might be the time for you to learn how to develop MS Access database.

There is a macro language built in MS Access and it is a great tool, because it is something in between the general database building and the more difficult programming. You can use macro for pretty much anything in MS Access. You can create a macro, for example, to delete some data and then show a message that the data has been deleted. So, before looking at the programming, it is better to experiment with built-in macros first.

Before MS Access 2007 came out, one of the main problems with using macros was that it didn’t provide the error checking. Without this option you couldn’t know what caused the database to crash. A macro would give you a general error message, but it is not always helpful. As for the program code, it will locate the error and tell you what could have gone wrong. Then you could write a code to go around or get rid of the error.

Visual Basic is used as a common program language in MS Office applications, but each application has some differences in their VBA. But, even though there are differences, if you can write a VBA code for one application, then you will be able to deal with another one.

You should try and create a macro for a particular task and then write a code to perform the same task. This way you will be able to get used to it and move on to developing code slowly. As you get more experience and confidence, you will discover some code that could be used over and over again. You should also create a code bank, which is a database where you can store all your favorite code routines that you can sue for different purposes. It will save you a lot of time and effort, because whenever you need a code you can just extract it from that code bank and use it without spending time on writing it again.

Learning to write MS Access program can be done in many ways. You can learn from a book, courses or Internet. Even though VBA is one of the easiest programming languages to learn, it will still take time before you can become a good developer.

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The Key Components Of Microsoft Access

Tuesday, December 22nd, 2009 at 10:30 pm  
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The key components of MS Access are tables, forms, reports and queries. These are the main features you would be getting involved with, when using a database, and you don’t have to use more complicated objects like modules and macros. It all depends on the level of your skills.

The most important database object is a table. You wouldn’t be able to store data if it is not for a table. Table holds any information entered into the database. You can type in the information directly into a table or use a form and create a better looking screen. Table also contains columns that have different names according to the kind of information you are storing there.

But building a table is only the beginning. You also have to know how to relate the tables. So, it is good to have some knowledge about relational table design. Of course, you can get by not creating relationships between tables, but it is still more effective to do so, because you would probably like to have everything organized and, say, have a customer related to a certain order. You would also want an employee to be linked to a department and so on. Creating relations is very important part of using Microsoft Access database. Besides, it is easy to learn and it will also give you the important basics for future database development.

After you know how to work with tables and relate them, you can start building input screens or MS Access forms. MS Access has a conveniently built in wizard that will guide you through this process as well as many others. You can use forms in two ways, to either display or enter the information into the table. You can customize the forms as you want and add controls as well as colors. Controls are linked to the table columns. When you type in the data into the form, it will be automatically displayed and saved to the table, which is the form’s record source.

Now that you know how to build and use tables and forms, it is time to find out how to extract the information from the database. This can be done with the MS Access queries. The query will give you the answers to the needed questions you ask the database. You will be able to type in the criteria and add the source tables in the query designer. It is also possible to link the query to a form.

Using reports, you will be able to present information in the printable version. There is also a wizard to help you create a report and a report design view for customizing purposes.

These main objects are enough to use the database on the basic level and store the necessary information. But if you want to have more control over your database, you can become familiar with macros and modules.

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Microsoft Access Database Errors.

Tuesday, December 22nd, 2009 at 10:15 pm  
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You tried to mount your database and encountered an MDB file error. If this is a first error you have got in MS Access database, you should know that there are more to come. MDB file errors are very common to MS Access database that is why it is wise to learn how to solve these problems effectively.

MS Access database has become very popular software within the last decade and the last database generation helped this file format to develop into professional database software. The reasons to it may be the increased price for the Oracle or MySQL databases or that MS Access is easier to use and the possibility of instant visualization. Whatever the reasons for its popularity are, people are eager to use MS Access database with its MDB file, but it comes along with the problem of frequent errors in those files.

Most typical computer users consider the database files to be just as other computer files and behave same as other files, but it is not correct. MDB files are a collection of many forms of data connected together in order to provide information to the front-end database. Due to their structure, the MDB files are very susceptible to changes. There are many kinds of changes that can cause errors. One of them is renaming the file. Other changes that affect the file can be changing the file path, shutting down the systems in an improper way when the file is being accessed, connected to the front-end or saved, MS Access file corruption, software conflicts, disconnection due to crashes or power outages, problems with hardware and many other reasons.

Almost anything can cause errors in MDB files in MS Access database. The list of reasons is very long and you will never know what can cause the error the next time. So, it is much wiser to learn how to solve these problems fast, instead of trying to prevent MDB file errors.

Even though there are many tools provided by the MS Access database, which could repair some primary database corruption and damages, but in severe cases that might not be enough. Sometimes you will be required to use a third party product to restore your Access database. There are many Access repair products available that will help you solve many serious database problems. These repair programs have advanced algorithms that help them restore MDB files intelligently just by a couple of mouse clicks. These products are compatible with most Access editions and different operational systems, so you will be able to find software to meet your needs.

When you start using Access database for your personal or work purposes, you will see how typical the MDB file errors are. So, you will understand the importance of having one of those advanced Access repair systems handy.

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Tips To Avoid Microsoft Access Data Corruption.

Sunday, December 20th, 2009 at 11:30 pm  
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Microsoft Access is a very powerful database which allows you to store, organize and work with important data. To create Access database you use .mdb files and very often you may see error messages when trying to mount the database. Most of the time, this error would occur due to referential integrities corruption in the database. The database corruption makes the records inaccessible, which can really cause loss of work productivity. That is why, in order to prevent this from happening, it is wise to always have a valid update, which you can use in case of data loss.

Let’s take this situation as an example. Imagine, you are trying to open Access database file, but you suddenly see an error message that says something like you don’t have permissions to use this file. After you get this error message, you are not able to open the database, and all the records you need for your work are not accessible.

The possible reasons for this situation can be the following. Error message may appear due to Access file versions incompatibility. It could also occur due to the corrupt or wrong database path or corruption of relationships or referential integrities.

In order to solve this problem, you can consider doing the following. If the error happened due to the compatibility problem, you can solve it by simply upgrading your Access to the latest version. If the error happened due to the corrupted or wrong file path, you can resolve the issue by providing the correct file path. But these measures will not work if error was caused by database corruption or the corruption of referential integrity. In this case, you will need to use a powerful mdb database repair program, which will repair the file systematically. This database repair systems will completely fix your database and restore your files, using the latest scanning mechanisms and algorithms. These programs are also easy to apply and understand, because they are designed with user-friendly and graphical interface. You also do not require having any prior technical experience to use these Access database repair programs.

Besides repairing your Access database completely, these programs will also restore the damaged database at any location specified by user. Access database repair software supports different Access editions and can be compatible with several Windows operating systems like Windows 2000, 2003, XP and Vista.

Using repairing systems your Access database already has is fine in some cases. But when you database has a major problem like a corruption of a very important file and the backup is not available or not fixing the problem, it is always good to have good Access database repair software at hand. It can save you a lot of time and prevent your work from being delayed.

The industry of computers and computer applications expands all the time. But you can turn this issue into your advantage by catching up with this knowledge and becoming an expert, for example in microsoft access database niche.

Please visit this site that is dedicated to microsoft access database topic and has a nice line of microsoft access database products available.


Migrating From Microsoft Access To MySQL

Sunday, December 20th, 2009 at 11:30 pm  
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Before migrating from Microsoft Access to MySQL, you should first ask yourself, if you really need it. Yes, there might be several benefits in using MySQL for multi-user, high performance, strong security database. That is why if you are building a complex system, you should definitely transfer your data from Access to MySQL. But if Access database is used by only one user and if the record is just copied to a new machine, then it is not really necessary to use MySQL.

If you still need to move data from MS Access to MySQL, there is a standard way to do that. Access allows you to export its tables to different formats. So, applying this feature, you will be able to migrate from Access to MySQL using the Connector/ODBC driver, which is provided by MySQL. In order to do that, select “Export” option when you right-click on the table. The follow several steps and the data will be transferred to MySQL.

The above method can be enough for you, if your database is small and has no complex structure. You should know that index information is not exported with the Access data. After exporting your Access tables, you will need to build indexes manually. MS Access and MySQL also have some differences in data types. For example, in MySQL you will not find Currency data type. Instead, it has a column named Decimal for the same purposes. Another difference is that Access has Unicode by default, when MySQL doesn’t really ties field types to character sets. MySQL lets each text field to be tied to any amount of character sets as well as Unicode. And if you need the resulting MySQL database to support Unicode, you should also specify it manually.

You can also use another approach for migration Access to MySQL. You can use third party program to handle the migration for you. There are many special converter programs that will provide you with easy, fast and effective way of performing the migration from Access to MySQL. And even though it is very easy to handle, such conversion programs provide enough power and capabilities to convert large and complex MS Access database files. The program also provides accurate results, because it performs all needed data transformations, converts all indexes and table relationships, supports all versions of MS Access as well as its attributes, covers multibyte sets of characters and many more. As you can see it is a very useful tool to have in case you need to export Access to MySQL. And if you want to have more control over the export or you don’t have the access to MySQL destination server, such converter program can transfer data to the MYSQL dump file.

Everything about microsoft access database: great training information, all sorts of business products (customized for your needs), special microsoft access database blog with tips and advice about MA databases.

All this and more from a trustworthy UK based company which specializes in microsoft access database and is helping clients all over the world.


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