Saturday, March 5, 2011
Offering a Perfect Solution for Cost-Effective and Efficient Database Req
No wonder, it is overwhelmingly preferred over other database management systems for all its advantageous features vis-à-vis other database solutions. Also, one of natural advantage of MS Access is that it is a product of Microsoft. One of the questions often asked before considering a database is how long is the product likely to be available and supported? And in this regard, no other database management system can dominate MS Access. Being a product of Microsoft, availability and support of this database is assured for several years to come. Again, when it comes to development consulting and support, no other desktop database system can match what Access enjoys.
There are also other reasons that explain why Microsoft Access is the most widely used desktop database system in the world. For one, Access database is quite flexible. Although this database solution is especially developed for small organizations where it is intended to support about fifty simultaneous users, it is possible to link together few Access databases. Moreover it can also be ported with larger database like SQL Server. Again, it requires lesser investments to develop, implement, and maintain Access database.
MS Access comes as a part of Microsoft Office Professional suite of business products and as such you may not require additional database software. It can also seamlessly integrate with other products of Microsoft Office suit such as Excel, Word and Outlook etc. Lastly, it can be placed on your website so that it is accessed by remote users as well. MS Access as such has many features which can be advantageous for your organization. And if you want to develop Microsoft Access software, you can rely on Alpha Software, which one of the leading database developers offering several kinds of database software development at one of the most competitive prices.
Friday, March 4, 2011
First look Microsoft SharePoint 2010 beta spreads the wealth II
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Scripts and sandboxes
While script-based administration has detractors as well as supporters, I find the PowerShell command support in SharePoint 2010 to be a big plus and a big improvement over the older (but still maintained) Cmd.exe and Stsadm.exe environments. Yes, there are too many cmdlets to learn easily (100 core Windows cmdlets and 300 SharePoint cmdlets), but they have a help system, they pipe together in logical ways, and in many cases you'll only have to figure out a command sequence once, then save the script and apply it to other sites. Overall, that's a big time saver over going through the GUI for every site in every farm.
On a SharePoint server with many custom controls and large lists, one site that hogs CPU, memory, or database requests can damage the performance of all the sites on the server or even all the sites using the database. Throttling and list controls in SharePoint 2010 allow an administrator to control this per Web application.
In addition, custom solutions can be sandboxed, meaning that they can be given a restricted set of permissions and resource quotas, then run isolated. Sandboxing reduces the risk of allowing site owners to deploy their own solutions, balancing freedom against safety. Quota templates keep the overhead of controlling sandboxed solutions reasonable.
Branding in SharePoint 2010 has been made easier by revamping the way themes work. SharePoint 2010 themes are now compatible with PowerPoint themes. In many cases, companies will be able to import existing PowerPoint themes to apply the fonts and colors of the corporate brand. Perhaps future SharePoint sites won't all look like they've been turned out with the same cookie cutter.
SharePoint 2010 for developers
SharePoint 2010 is much more attractive for developers than SharePoint 2007 ever was. I wouldn't be surprised to see many ASP.Net developers adopt SharePoint 2010 for their larger customized sites. There will be less code to write, without giving up too much in the way of flexibility.
The list of improvements is long. In addition to better API support and more extension points, there is better tool support in Visual Studio 2010, Visio, and SharePoint Designer 2010. There's a straightforward way to connect to line-of-business applications. Many functions have been exposed to RESTful interfaces. There are more application templates. Debugging and monitoring are much better. And sandboxes offer a measure of protection for custom applications that was lacking previously.
Visual Studio 2010 offers a dozen SharePoint 2010 project types in two languages, C# and Visual Basic. Empty projects are used more often than you'd think, as containers for multiple controls, workflows, and other project items. A Visual Web Part is a new kind of project that combines a Web Part class with an ASP.Net user control; the latter can be designed visually within Visual Studio 2010, which makes Web Part design much easier than writing code to instantiate child controls. The downside of a Visual Web Part is that it cannot be deployed to a sandbox.
SharePoint workflows can be sequential or state machines, and they can be one-offs or parameterized reusable workflows. Workflows can be designed using Visio or SharePoint Designer in addition to Visual Studio. In SharePoint 2010, workflows do not have to be associated with a list. They can instead be site-level workflows, with their own start pages; this is an improvement.
First look Microsoft SharePoint 2010 beta spreads the wealth
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It's always been relatively easy to convert Word documents to SharePoint pages, as well as to display PowerPoint slides online. In SharePoint 2010, you can also use Excel Services or Visio Services to publish spreadsheets or diagrams for browsing.SharePoint 2010 for IT professionals
SharePoint 2010 promises IT professionals improved productivity, a scalable unified infrastructure, and flexible deployment. These features can be used to help provide governance and high availability. But again, they come at the cost of needing an up-to-date 64-bit server and database infrastructure.
Although server requirements are narrower, client support is broader. SharePoint 2010 fully supports 32-bit IE 7, IE 8, and Firefox 3.x running on Windows. Also, 64-bit IE 7 and IE 8, Firefox 3.x on non-Windows systems and Safari 3.x are supported as "level 2" browsers; they can be used to administer the site, but pages may not render with perfect fidelity. IE 6 is not supported. Site administrators can tune their content and CSS to support additional browsers for reading the site, but keep in mind that the AJAX and ASP.Net code used for editing SharePoint content is complex and under Microsoft's control.
I applaud Microsoft for dropping IE 6 support in SharePoint 2010. The company points out that it's not standards-compliant, which is not exactly breaking news. I hope Microsoft can stick to that decision; it might pave the way for the rest of us to be able to drop IE 6 support for our Web products.
Administrators have a choice of installing SharePoint 2010 with a GUI or with configuration files and PowerShell scripts. The former is easier; the latter is better for server farms and for disaster recovery. A new requirement is a Farm Passphrase, which protects a server farm from unauthorized server drops and adds.
Smooth transitions
Upgrades can be done in place or by attaching a database backup from SharePoint 2007 to a new SharePoint 2010 installation. Databases can run read-only during the upgrade to minimize downtime. Administrators can force all sites to upgrade to the new master pages and CSS, or allow each site owner to run with the old styles, preview the upgrade, correct any issues, and finally switch over to the new styles.
Administrators now have more control over SharePoint site proliferation. It's a two-pronged strategy: Use Active Directory Markers to keep track of SharePoint servers, and/or use Group Policies to control where SharePoint can and can't be installed.
The redesigned Central Administration pages in SharePoint 2010 are easier to understand and use; there's a lot less searching for tasks than before, and a lot less jumping around from menu to menu is required. The new layout is reminiscent of the Windows Vista control panel, but don't let that dissuade you -- it's still much better organized than before. The new ribbon interface does help to keep like functions clustered, and the new wizards make some of the harder setups easier to complete successfully.
Thursday, March 3, 2011
Apple Updates QuickTime for Windows Kills Two Bugs
The first glitch was the famous (in some circles) '_Marshaled_pUnk' vulnerability. Apple left this value in QuickTime for Windows as a valid parameter, but removed the code to handle it. This allowed an attacker to place their own code to run. Check out a video of the vulnerability in action below.
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The second issue is described as "Viewing an image in a maliciously prepared directory." What it seems to be is the Windows malicious DLL loading problem as implemented in the QuickTime Picture Viewer. Apple removed the current working directory from the search path to fix the bug.
The Microsoft Certified Professional Program
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The Microsoft Certified Professional program offers multiple certifications, based on specific areas of technical expertise:
Microsoft Certified Professional (MCP). Demonstrated in-depth knowledge of at least one Microsoft Windows operating system or architecturally significant platform. An MCP is qualified to implement a Microsoft product or technology as part of a business solution for an organization.
Microsoft Certified Solution Developer (MCSD). Professional developers qualified to analyze free 70-291 test questions, design, and develop enterprise business solutions with Microsoft development tools and technologies including the Microsoft .NET Framework.
Microsoft Certified Application Developer (MCAD). Professional developers qualified to develop, test, deploy, and maintain powerful applications using Microsoft tools and technologies including Microsoft Visual Studio .NET and XML Web services.
Microsoft Certified Systems Engineer (MCSE). Qualified to effectively analyze the business requirements, and design and implement the infrastructure for business solutions based on the Microsoft Windows and Microsoft Server 2003 operating system.
Microsoft Certified Systems Administrator (MCSA). Individuals with the skills to manage and troubleshoot existing network and system environments based on the Microsoft Windows and Microsoft Server 2003 operating systems.
Microsoft Certified Database Administrator (MCDBA). Individuals who design,implement, and administer Microsoft SQL Server databases. Microsoft Certified Trainer (MCT). Instructionally and technically qualified to deliver free Microsoft certification exam questions Official Curriculum through a Microsoft Certified Technical Education Center (CTEC).
Wednesday, March 2, 2011
How to Install Windows 7
So you’ve decided to take the Windows 7 plunge, having heard all the paeans to Redmond’s latest operating system. For many users, setting it up will be a simple case of popping in the installation disc and following the prompts. But there are a few steps you should take and decisions you need to make before and during the process.
Check Your Machine’s Specs
The first thing to do is check whether your desktop or laptop PC is capable of running Windows 7. If it’s already running Vista with acceptable performance, then the answer is yes. Officially, you need at least a 1-GHz CPU and 1GB RAM, but testers of the OS have successfully got it running on machines as out of date as a 266-MHz Pentium II with 96MB of RAM. Go ahead and try that kind of thing if you want, just don’t use your license key on that type of machine. It may run, but you’ll spend a lot of time waiting for it, and it won’t display the glassy new Aero interface and enhancements.
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If you’re unsure whether your current system can run Windows 7, download and run Microsoft’s Upgrade Advisor to assess your hardware’s capabilities. When I ran it on an aging XP laptop, it told me I needed to back up my files and perform a Custom installation (see below), that my hard disk didn’t have enough free space (you need 16GB), and that the laptop wouldn’t run Aero Desktop. The good news, however, was that my 1.6-GHz CPU and 1.5GB RAM were sufficient. The advisor actually checks a lot more than the basic system requirements, and it lists every piece of hardware and software you have installed at the bottom of its report.
Choose an Edition
There are lots of different editions of Windows 7, but only three you can buy: Home Premium, Professional, and Ultimate. For most people, Home Premium will make the most sense. If your company decides to upgrade, Professional supports domain joining, network backup, and XP emulation. Ultimate includes everything in both other versions, and adds BitLocker encryption.
The key thing to consider here is that you have to do a clean installation—without the ability to carry your apps along—if you move from one level of Vista to another level of Windows 7, say from Vista Home Premium to Windows 7 Professional. The exception is Windows 7 Ultimate, which will let you perform an in-place upgrade from any level of Vista—as long as you don’t change whether you’re using the 32- or 64-bit version.
Don’t forget to look into special pricing offers, such as those for students and family packs. And if you’re installing on a machine you’ve freshly built, you can pay less for OEM versions that don’t include all the packaging and support. The Student upgrade license is just $29.99, and PC part suppliers offer the OEM versions at steep discounts as well.
Choose 64-bit or 32-bit
Any computer manufactured in the last few years will probably have a 64-bit capable CPU. The rule of thumb is that if you have, or intend to install, more than 3GB of memory on your PC, you want 64-bit Windows.
And don’t worry about your old 32-bit programs—compatibility features inside Windows allow most of these to run in the 64-bit OS, the exceptions generally being antivirus software and hardware drivers. One significant holdback, however, is Adobe’s Flash: If you run the 64-bit version of Internet Explorer that comes with Windows 7, you won’t be able to view Web sites that use Flash. But there’s an easy fix: Run 32-bit IE for those sites until Adobe gets with the program.
Both 32- and 64-bit installation discs come in the Windows 7 box, so you only have to specify which you want if you’re downloading the code. In short, my recommendation is that if your system can run 64-bit software, go for it: You’ll be using your CPU and memory more efficiently, and you’ll be future-proofed for upcoming 64-bit apps. —next: Back Up Your Data >
Tuesday, March 1, 2011
Microsoft Access Database and its Query Using Global Variable
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Besides query application of Microsoft Access Databases you are going to learn how to select data in one form and open another form with more data related to the field you just selected by taking advantage of global variables in the query design form. To help get this, you will use a global variable entered in the criteria of a field while creating the query in the Microsoft Access Databasequery design form. The result is a powerful user interface function that allows a user to look up more data, or enter more data related to a selected record. Users can use it to look up pricing histories, addresses, inventory locations, really anything where you would have more data about a key field in your database.
You can achieve this by learning to use global variables. These variables can be accessed by any form, query, macro, or other modules while you are in the Access session. Use a module to store these variables in.
There are several simple steps to achieve this functionality of Global Variable:
1. Create a global variable in a module
2. Create your data table.
3. Create the source query for the look up or pop up form
4. Create the pop up form with the source query as the data source
5. Create the form to enter the selection from and enter the VBA code to the pertinent control events on the form to open the look up form.