Tuesday, March 1, 2011

Microsoft Access Database and its Query Using Global Variable

Microsoft Access Database supports the making of queries that can be linked to external data sources through the use of ODBC connections on the local computer. This enables users to interact with data stored outside the Microsoft Access database without using linked Tables. The Pass-Through is another queries are written using the Structured Query language (SQL) syntax supported by the external data source. Microsoft Access Database also offers the ability for programmers to create Database driven web applications by help of the programming language. Access databases offer a Query Designer, a graphical user interface that allows users to create queries without knowledge of the SQL programming language.


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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.

Sunday, February 27, 2011

Why There's Nothing Good to Stream on Amazon Prime or Netflix
Yesterday Amazon added Instant Videos to its Amazon Prime service, giving members the ability to stream over 5,000 movie and TV show titles. Hot on the heels of that story, today Netflix worked out a deal to stream a big portion of the CBS library of TV shows on its service. Looking at what the two developments involve, you'll notice a similar pattern: in both cases, the vast majority of the content is very old.

The news about video coming to Amazon Prime was initially exciting since the service (which most people had probably dismissed because it really only offered getting your Amazon junk delivered a day or two sooner) costs less per month than Netflix, and even Hulu Plus. Now people have a reason to give Amazon Prime a second look.

If you do, though, you'll wonder why you bothered. As exciting as it may be to have another video-streaming service to subscribe to, Amazon Prime Instant Videos suffer from the same problem as other subscription-based video services: selection, or rather the lack thereof.

First of all, the offerings on Prime Instant Videos are a mere subset of what's on tap from Amazon. If you own one of the over 200 devices (TVs, Blu-ray players, and set-top boxes) that can access the Amazon video widget, you probably already know that you can watch movies and even recent episodes from many TV series—in HD—from the service (for an a la carte fee, of course). In total, Amazon offers 90,000 titles for streaming, according to a rep, which makes the 5,000 Prime videos feel not-so-prime.

Then there's the issue of what Amazon considers a "title." It turns out every single episode of a TV series counts as a title. So looking at, say, "24," which had eight seasons with 24 episodes each, that counts as 192 titles. When you start racking up whole TV seasons, you hit the 5,000 mark pretty quickly.

Finally, which titles are actually on offer? A cursory look shows movies like Risky Business, Best in Show, The Mask, Starman, Roger & Me, and Enter the Dragon. And those are just the recognizable ones—mining even further there are plenty of unknown straight-to-video flicks there, too. For TV, Amazon features "Doctor Who" Season 4, "Farscape" Season 1 (nice to know they're nerds, too), and "Nova." Titles from the past two years (movie or TV) are few. It seems Amazon equates Prime members with people who wandered aimlessly into a video store on a whim. A market, surely, but hardly a "prime" one.

I'm sort of singling out Amazon a little too much here. Even putting the CBS deal aside, if you browse the titles that Netflix offers for streaming, you'll find that many of the movies and TV shows from the last couple of years—the ones you probably really want to watch—are available only on disc.

All of this serves to underscore the weakness of the video-streaming model. While technology has improved greatly in the last few years—an HD episode of "24" that I streamed recently from Amazon looked good and crisp and didn't have any buffering problems—the selection of media you get via subscription hasn't. Hulu is kind of the exception that proves the rule, but its offerings have been curtailed since its launch in 2008—savagely, if you look at what's available on devices outside of PCs.

Will we ever see a video subscription service that actually serves up recent, top-quality titles? Maybe, though studios would want you to pay for the privilege, and my guess would be the bill would end up somewhere in the neighborhood of what your monthly cable bill costs (just for TV, not you voice or Internet). To make room for such premium content, I could see services like Amazon offering a different "tier" for the better selection of titles ("Prime" and "Really Prime"?).



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And there lies the problem. Once a monthly subscription rate goes above about $15 a month, it just starts to look too damn high, no matter what's on offer. Presumably the bean counters in Hollywood have done that math, too, and have concluded that they the a la carte model makes them more money.

But we could both be wrong. Maybe the volume of customers would make the model sustainable at somewhere close to $15. My advice to any intrepid studios mulling a subscription model that includes recent titles: don't knock it till you try it.

Friday, February 25, 2011

Presenting a Viable and Cost-Effective Database Solution

MS Access development has become really popular especially with organizations having limited manpower. MS Access as the name suggest is a product of software giant Microsoft and is used by maximum number of people worldwide. Like any other product of Microsoft, Access is reliable, secure, and robust. And the best part is that, this desktop database system is really economical. MS Access is available as a part of Microsoft Office Professional suite of business products and as such, you need buy this product additionally.


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This also means you save a lot of time and money on development of Access database solutions and their implementation and running. The cost-effectiveness of MS Access can be gauged by the fact that implementing and running it require 50 percent lesser investment than implementing and running larger database systems such as SQL Server Oracle.

Apart from being an economical and viable solution, MS Access has other advantageous features. First of all, this database system is scalable and also has the ability to be ported to a larger backend database. As a matter of fact, Access database has the ability to comfortably support fifty users simultaneously. This number although depends on such as amount of data stored, the design of the database solution and the complexity of tasks being ran.

If the users are running simple tasks such as data entry or retrieval, the number of simultaneous user it can support can be higher. Nevertheless, multiple Access databases can be linked to support greater number of users. Also, if required you can port Access database to a larger and more powerful backend database, SQL server for example. Apart from being used by individuals, MS Access is suitable for use by workgroups within organizations.

Several companies specialize in the development of MS Access software solutions including database driven web applications. These companies also cater to customized database applications development. This means the solution can be tailor-made to suit your requirements. As such, a Microsoft Access database solution can be designed to support simple functions or run complex tasks. And talking about database solutions development, you can always rely on Alpha Software.

Thursday, February 24, 2011

How to Import XML into Microsoft Access Software

Sharing access database is usual in any business environment. If you have a thorough knowledge of your Microsoft access database and updating it various applications, it will be a lot easier for you. Such occasions where you need to exchange information with programs whose data is differently formatted can be pain sometimes if you don't have a thorough knowledge of your database management system. It is not very easy process and is usually tiring and bulky. There is a lot of room for errors in such transfers. But you have a good knowledge of access databases conversion techniques, you will easily be able to eliminate these problems and enable you to handle such situations in the most rightful manner.



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Once you collect the data from various file formats, like XML, it can be an important database management task as XML is considered as one of the most widely used file formats for storing of data. XML is one of the most important and widely prevalent file formats which are used for many documentation purposes. Here are some steps that will guide you to import XML data and schema into an access database.

* You need to open the XML or XSD file in notepad that you wish to import and then verify the data that is to be imported

* You need to open the desired database and on the external data tab and in the import group, you are supposed to click XML

* You need to click browse on the get external data* XML file dialogue box, in order to locate the XML or XSD file

* Hen you need to navigate the folder containing XML or XSD file in the filr open dialogue box, then select the file and open it

* Then click OK in the get external data - XML dialogue box

* Import the XML dialogue box, select the desired option in the import option selection and then click OK

* If the file type is XSD, then click OK

* Click OK in the get external data - XML file dialogue box

* You can open the imported table and verify the structure if the need be

You can import XML into your Microsoft Access software in this way.

Monday, February 21, 2011

Nokia, Microsoft Detail Windows Phone Partnership

Nokia's CEO Stephen Elop and Microsoft CEO Steve Ballmer outlined their new partnership in an analysts' meeting in London today, painting a picture of Nokia as Microsoft's premiere Windows Phone partner and of Windows Phone as Nokia's core smartphone platform.

"Nokia will adopt Windows Phone as our primary smartphone strategy," Elop said. "We will help drive the future of the platform, and we will bring Windows Phone to extended price points, market segments and geographies."





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Nokia will bring "leading mobile devices," along with mapping, advertising, and global online store capabilities to the partnership, Elop said. Microsoft will bring Windows Phone 7, with its Bing, Office and XBox capabilities.

Nokia had three options, Elop explained. Symbian seems to have been written off from the start. Nokia didn't feel it could reach a board enough range of price points quickly with MeeGo, and didn't feel it could differentiate enough if it became an Android house, Elop said. That left Windows Phone as Nokia's path forwards.

There's still a lot that's unclear about Nokia and Microsoft's relationship. For instance: Microsoft has a very defined "chassis" spec for Windows Phones so far, which prevents phone makers from differentiating very much. Microsoft also hasn't offered super-high-end or low-tier Windows Phone options. But that may change: Ballmer said a "lower-end chassis" is coming, and Elop said Nokia would help Microsoft "move aggressively down the price continuum."

"We have very clear plans that allow us to differentiate within the Windows Phone ecosystem," Elop said. "It's a unique relationship."

We've reached out to Microsoft partners Samsung, LG and HTC to see what they think, and we'll update this story when we hear back from them.

One casualty of the agreement will be Qt, Nokia's cross-platform development framework.

"To introduce Qt to Windows Phone would fragment that environment, which would be repeating our mistakes of the past. With that in mind, for Windows Phones we will use Microsoft's developer frameworks," Nokia spokeswoman Laurie Armstrong said.

Elop went into a little bit of detail as to what will happen to Symbian, the smartphone OS that Nokia re-absorbed recently, and to Meego, Nokia's OS project with Intel.

"We expect as we transition through to Windows Phone we'll ship 150 million or more Symbian devices in the months and indeed years to go, but it's a transition program ... We'll ask [the MeeGo] team to change their focus into an exploration of future platforms, future devces and future user experiences."

But MeeGo could still surface as an OS for future Nokia tablets, Elop hinted.

"The third pillar of our strategic investment is in future disruptions," he said. "We reserve the right to introduce tablets with future platforms."

The partnership may finally result in Nokia's return to the US smartphone market, where it's been largely absent for years.

"This gives us faster access to the US market with a contemporary offering," Elop said.

We're sure to hear more at the Mobile World Congress trade show, starting Sunday in Barcelona, where both Ballmer and Elop are speaking.

Microsoft Phone 7 Stays Alive

Microsoft got a huge boost by the deal it did with Nokia. This will ensure the platform has legs and will probably ensure the slow death of HP/Palm WebOS which announced three new products this week.

While the WebOS looks like road kill, let's not forget the Nokia-Intel joint venture: the MeeGo OS, a Linux-based initiative that seems stillborn. Nokia mentioned that it will continue to experiment with MeeGo, but the Nokia CEO, Stephen Elop, did not seem too inspired by any sort of possibility that it will go anywhere. He was just being nice.




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In fact, you have to wonder what Intel needs to do to get some respect in the mobile arena. When you think of mobile chipmakers, the last name to come to mind is Intel.

Whatever the case, Microsoft pulled a rabbit out of a hat with the Nokia deal, and over the next few months, this will be over-analyzed until we're sick of it.

I personally have written about Nokia strategies and think this decision is the most risky one it could make. Windows Phone 7 isn't going anywhere. It has no buzz, and Microsoft seems jinxed on some level. After all, Microsoft essentially invented the smartphone over a decade ago, long before the iPhone. Where did it get them?

Microsoft was single-handedly responsible for perception that the smartphone was a dog of an idea. The smartphone languished under Microsoft tutelage. Then the iPhone came along, and Microsoft was dumbfounded and slow to react. Years had to go by before a kind of iPhone-like Windows Phone 7 appeared too little and too late.

The irony, of course, is that Windows Phone 7 is not a bad OS and modern. In fact, a lot of what Microsoft has done on the mobile platforms has been quite good. Which brings us back to the notion that the company is "jinxed." Years of bragging, bad marketing. and lazy PR has resulted in major perception problems that Microsoft seems unaware of.

This was all epitomized by the Vista fiasco.

I was amused by the Nokia roll-out of its partnership with Microsoft where CEO Elop kept telling the media how the company will now change modes and get things done faster. Faster? With Microsoft? How would that work?

Nokia said it will continue with MeeGo in the background. None of the media at the press event managed to ask if Nokia is completely ruling out Android. My guess is no. And my guess is no only because the sluggish pace it will find coming from Microsoft.

In the mobile segment, things are flying. I see no evidence that Microsoft can keep up the torrid pace of real innovation. The company has gum on its feet.

I actually recall talking to Steve Ballmer during the roll-out of Windows 98 and asked him if the company was thinking of bringing out a complete and new upgrade to the OS every year like car companies do with their vehicle models. There was Windows 95 and then 98. It seemed headed that way.

He said they were considering it.

Well, since the two year gap between 98 and 2000, the gap has widened as the company cannot keep up a faster pace. You can get away with slowing down progress with a desktop computer and a game console, but not with these phones. Hopefully, Nokia has a plan B when the Windows Phone platform falls behind the rest of the pack.

Sunday, February 20, 2011

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