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Archive for 'Database Users'

Everything You Need To Know About Microsoft Access Application.

Sunday, February 28th, 2010 at 5:15 pm  
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Many database users want to know how to migrate from MS Access to MySQL server. If you are among them, then first of all you should decide if you really need to do that. There are certain benefits of using MySQL instead of Access database. The benefits are multi-user access, high performance speed, cross-platforming, strong security and others. So, if you are creating a more complex system for multiple users, you should definitely consider transfer the data from Access to MySQL.

But, if this is not your case and if MS Access data is used by one user and if you just copy the data file to another machine, when you need to move it, then you will not really benefit from using MySQL.

If you still want to move MS Access data to MySQL, there is a standard way to do it. MS Access is able to export the tables to different formats including ODBC. Using this Access feature you can export a table to MySQL with the help of Connector/ODBC driver offered by MySQL AB. In order to perform this, you should right-click on the table and choose the Export option. Follow just a few steps and your data will be moved to MySQL.

The above method should be enough for you if you have a small database and it doesn’t include complex structure. If not, you should know that MS Access will not perform migration of index information with the data. After exporting your tables, you will have to build indexes on your tables manually. There are also some differences in types of data between Access and MySQL. For example, there is no currency data type in MySQL. Instead, there is another column created for the same purpose, which is a Decimal (19,4) column. Access database supports Unicode by default but MySQL doesn’t bind field types and character sets so tightly. Instead, MySQL allows each text field to be linked to any character sets as well as Unicode. And again you will have to assign it manually if you need to set Unicode in the MySQL database.

Another solution to the migration issue is to use a special third-party application to perform it for you. There are special Access-to-MySQL converters, which provide database users with fast, easy and accurate solution for the database conversion problem. Such programs are easy to use and Access-to-MySQL conversion program provide wide range of capabilities for exporting large and complicated MS Access databases. And at the same time, the results of migrated data are accurate because the application performs all necessary data transformations and supports all MS Access attributes and types, handles all table relationships and other indexes and deals with all multibyte character sets and more. If you don’t know the destination of MySQL server or don’t have access to it, or if you need more control over the process of migration, you can use such third-party application for it to export all data files for you from Access to MySQL.

Need help with access database samples – 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 require at the best terms which are available on the market. Strange, but most of the people don’t use this chance. 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 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 create a true vision of this market. Thus, giving you a real opportunity to make a wise and nicely balanced decision.

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


Secure Your VBA Code In Microsoft Access.

Saturday, February 27th, 2010 at 2:31 am  
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There are many reasons why you should secure your VBA code in MS Access database. If you are a novice database developer and created a database application for someone else, you will probably see that over a period of time the database has been changes or doesn’t work anymore. Database users often tend to change the program and try to discover its secrets. They might also try to adapt the database to their needs. So, there are several reasons for you to protect your VBA code.

Even though not every user, who changes the database, has bad intentions, but you still should prevent inexperienced users from changing the code and making some errors.

Another reason for securing your code is protecting your intellectual property, because you have spent a lot of time and effort creating the code and you don’t want other people to see the results of your work.

Database applications, which you develop, are usually based on business rules analysis. So, you want to ensure your application to stay consistent by avoiding unauthorized changes, which will conflict with these business rules.

There is always a risk of hackers and people, who have bad intentions, to sabotage our database application. So, you should protect your database and secure the VBA code.

There are different methods of securing your database and the easiest one is compiling your MS Access MDB file into the MDE format. When you create MDE file, all your VBA code is compiled and becomes inaccessible for viewing. This also performs database compact, so it becomes smaller. The code is also optimized and is executed much faster.

But, how can you compile the MDE file? When you finished working on your application and you are ready to install it, choose the Database Tools from the Access menu bar. Then select Make MDE. Save the file under the appropriate name and choose the folder for storing the file. When you are done, click the Save button and your database application is now secured.

Implementing a good level of security for your Access database application is a very good practice and MDE file will protect your code and prevent your database users from making any alterations to the application even if they are made accidentally or intentionally. But you should also keep in mind that using MDE for protecting your code will not protect your stored data, so you also have to encode the data in order to prevent any data manipulation. Your database application is probably used for storing very important company data, so it is crucial to protect this information from being changed or viewed by people who are not supposed to. Protecting your data and VBA code will ensure the database application consistency.

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

And some general tips – today the web technologies give you a really unique chance to choose exactly what you require at the best terms which are available on the market. Funny, but most of the people don’t use this chance. 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 online 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 do the best to keep this blog tuned up to the day with new publications about microsoft access database industry.


The Difference Between Me.Requery And Me.Refresh

Thursday, February 25th, 2010 at 9:31 am  
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A lot of new users of Microsoft Access database often have it hard to understand the difference between Me.Requery and Me.Refresh. This article will help you understand the differences between the two.

The short explanation of the differences is that both Refresh and Requery save alterations to the current data record. But Requery pulls the new data from the particular table or query with all new deletions and addition. Refresh will not show the deleted or new records and it only updates the data records in the current form.

Here is the longer explanation. Requery makes the recordset to reload for the form. It means that all the data in current form will reload. This will make you lose your current position and you will get back to the first record. Requery is similar to closing and opening the form again. All new records added by other users will be accessible. In the same way, all deleted records will disappear. Requery reruns the query, which was used to pull the data into the form at the beginning. You can also use Requery to update the data in the combo box or the list box.

Refresh option saves the record you are currently working on. It will also recall any alterations, but not deletions or additions to the records displayed in the form. If there are any calculations on the form, they will be recalculated. Refresh does not reload the entire recordset, so you don’t lose your form position and stay on the record you are working on. And the records added by other database users will not be displayed.

If you need to open another form or a report with the data on the form, you have to use a Refresh command. You also need a Me.Refresh to save the table data, so that it could print correctly. You can’t use Requery here, because it will put you on the first record and it might disagree with your preferences.

Access has two more commands, which often get confused with Requery and Refresh. They are Repaint and Recalc.

The command Me.Repaint redraws the form and its controls. This command is useful, when you are running a form with long event loops and timers and when you want to force the update on the screen while the event is running. This prevents the user from just waiting for a long time and seeing nothing happening on the screen. This command doesn’t affect data.

The Recalc command reevaluates all the calculated controls on the form. But this command might be used rarely, because MS Access is actually pretty good at recalculating automatically. But if you see that there is a calculation needs to be done and it is not updating, you can run the Recalc command to force this action.

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

And some general tips – today the online technologies give you a really unique chance to choose what you require at the best terms which are available on the market. Strange, but most of the people don’t use this chance. In real practice it means that you must use all the tools of today to get the information that you need.

Search Google or other search engines. Visit social networks and check the accounts that are relevant to your topic. Go to the niche forums and join the 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 everything possible to keep this blog tuned up to the day with new publications about microsoft access database industry.


Microsoft Access Training

Thursday, February 18th, 2010 at 2:16 pm  
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After you finish your Microsoft Access training, you return to your work place, confident in your skills to create a powerful database, which will help you perform your job easier. But very soon you find out that working with the database in the classroom and at your work place is completely different and that it is not that easy to perform those tasks on your own as when the teacher did it. You should keep in mind that MS Access learning doesn’t only involve taking classes. You can take more classes, but nothing can replace personal experience. So, in order to save you some headaches, you should avoid the following common mistakes.

During your Access training you found out about different data types, which can be stored in your database, but very often the obvious data type is not the right choice. Many of us might think that phone number should be stored in the numeric field, because it is made up of numbers. But numeric field should only contain data used in calculations. And the phone number should be stored in the text field.

Another mistake to avoid, when creating your database, is storing all your data in one table. A lot of new database users have trouble understanding the relational database theory. For example, when database users try to store invoice information, which contains the list of products, customer information and other invoice information such as the date of purchase, they try to fit all this information in one table. Such practice creates wasted space and redundant information, because you have to repeat customer and product data for every invoice instead of just entering it once.

Access training should teach you that the right way to store invoice data is to create three tables with invoices, customers and products. Each item will have the unique identifier and will be entered once, but the data will be tied together.

One more common mistake is to put too much data into one field. You shouldn’t try to combine too much data in a field. Storing information about a car, you shouldn’t put model, make and year of the car in one field. This might turn into a real problem when trying to run a specific query. You are able to learn on Access database training how to combine fields, so you should always think if the data should be better separated.

You should also always consider the field size you need for storing your data, because using the default size is not always right. If your data requires only a couple of characters, using the default 50characters is just wasting space.

These are simple Access database tips, but they can help you create a better database application with fewer problems.

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

And some general tips – today the web technologies give you a really unique chance to choose exactly what you need 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 info that you need.

Search Google or 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 discussion. All this will help you to create a true vision of this market. Thus, giving you a real opportunity to make a wise and nicely balanced decision.

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


Microsoft Access Database Features

Monday, February 15th, 2010 at 2:16 pm  
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Many Access database users consider creating a form quite easy. But, unfortunately, not every user is aware that each form also has property settings, which we can changed to control form’s look and behavior. In this article you will find out how to manage form’s properties from a property sheet. You will also learn some of the common property settings in Access form.

Form properties are rules, which control everything about a form like its look and functions. All MS Access objects have their own properties. Then, all form controls like text box, label etc also have their own set of properties. You can access these properties through the property sheet. To open a property sheet, click on the button at the form’s top left corner. You will see different categories the properties are grouped in such as format category, data properties, event properties, other properties and the all category.

The format category has the properties, which control the look of the form. You can apply these properties, if you want to define the look of the form and what items you want in the form. You can set up scroll bars and navigation buttons in the form.

Property sheet has a lot of different properties, so it will be hard to remember all of them. But if you need to learn about a particular property, you can simply select it and press F1. On a help page, you will get a short explanation and examples of how to use the property.

The data properties allow you to control things like the source of the data, whether you should allow other users to edit, delete or enter data and what kind of things users can do with the data.

Event properties are used to determine actions taken upon an occurring event like opening of the form or data update, etc. You can assign an action for each property to perform by clicking on the builder button. This will open the Choose Builder dialogue box letting you determine the action.

Other properties category has miscellaneous items, which can be very useful for designing your form. There are different properties like Pop Up and Modal. So you can make your form appear like a pop up window. Or if you use Modal property, the form will have the exclusive focus and you will have to close the form first, if you want to move the focus somewhere else.

And, logically, the all category contains all properties together. A long list of different properties is available for you to use, change your form and define different form functions. Each of them can help you optimize your form as you wish and give you more control over your form.

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 Internet technologies give you a truly unique chance to choose what you want at the best terms which are available on the market. Strange, but most of the people don’t use this opportunity. 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 discussion. All this will help you to build up a true vision of this market. Thus, giving you a real opportunity to make a wise and nicely balanced decision.

P.S. And also sign up to the RSS feed 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.


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