Archive for December 2011
December 16, 2011 | 
Author If you have a manufacturing unit and you produce several stainless steel items, you should certainly go for the best quality raw materials, in order to come up with best quality finished products. No matter how high or low is the cost of your product; it is the quality of the same that will be seen by the consumers in the market. And, once your product quality is liked by them, you can certainly get assured of getting many more orders. With this, you should definitely go for the 22 gauge steel sheet so that the solidity and the strength of your product are simply unquestionable.
There are many manufacturers, who use the inferior quality steel sheet to cut their costs. However, they are unaware of the fact that if their product doesn’t last long, they will not be sold in the market at all. Therefore, you should not make this mistake at all. In fact, you should also encourage the consumers to go for the products made from 22 gauge steel for better longevity and durability. If you own a large manufacturing unit, you can also advertise your brand in the market and get noticed quite easily. It is a known fact of any business that, if you maintain the quality of your products in the market, your business will never go through a lean phase.
Keeping this in mind, you should always try to come up with products that are useful in day to day life and are made from 22 gauge steel as well. It will simply attract your consumers to buy your products irrespective of the price factor. Even if you do not believe on this, you can go for various quality reviews online, where you will find that what exactly a consumer demands from a manufacturer. It will boost you a lot in producing the quality products.
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Stick to the steps below to quickly design, generate, and deploy a great portion of your real-life N-Tier application.
Step one: HAVE YOUR DATABASE READY
1. Create your database in Microsoft SQL Server, Oracle, or DB2. You can design and create your own database. Or, you can use the sample database provided with TierDeveloper. Or, you can use one of the databases/schemas already provided with your database. They’re:
a.Microsoft SQL Server: Northwind database. Just create a new TierDeveloper project against this database.
b.Oracle: DEMO schema with EMP, DEPT, BONUS, SALGRADE, along with other tables. Just produce a new TierDeveloper project against this schema.
c.DB2: SAMPLE schema supplied with DB2. Just create a new TierDeveloper project from this schema.
2. Populate database with data. This could ensure that you have a fully working database ready to be used by an internet application.
STEP 2: KNOW YOUR APPLICATION’S DATABASE INTERACTION
1. Identify table-columns your app will access: Before you decide to do anything, you must know which tables and which columns during these tables is your application going to access.
2. Identify transactional operations: Identify whereby your application you must do insert, update, delete, or single-row select operations.
3. Identify queries: Most applications need to retrieve assortment of rows in one or even more tables within the database. Identify all places where you have to issue queries. This can be single-table queries or could involve complex joins or nested queries.
4. Identify stored procedures to call: If you will find any stored procedures that already exist in the database which you need to call, identify them here. These stored procedures ought to be those that contains complex business rules or other data manipulation logic. Do not manually create stored procedures within the database for transactional operations or for queries which are otherwise handled by TierDeveloper. TierDeveloper can generate stored procedure DDL for you for the reason that situation.
5. Identify bulk updates or deletes: Most applications do not require bulk updates or deletes however, many do. If you have any, identify them.
The best way to understand your applications database interaction needs is to understand its behavior from the user’s perspective and focus on all of the data that should be displayed to the user or changed by the user.
STEP 3: CREATE TIERDEVELOPER PROJECT
1. Connect TierDeveloper for your database: TierDeveloper uses OLEDB for connecting for your database and reads its schema therefore it can let you define the mappings of middle-tier objects with tables within the database (according to what you have determined regarding your application’s interaction together with your database). Please note that even if you’re going to generate Java/J2EE application which will use JDBC to connect towards the database, TierDeveloper (the merchandise) uses OLEDB to connect to your database.
2. Define data object mappings for your tables: Wherever you had identified table-columns that the application needs, define data objects mapped to those tables using the appropriate columns selected as data object attributes. You are able to map a data object to single table or multiple tables. You will need multi-table data objects for situations where you’re attempting to issue a multi-table join query that returns data from multiple tables.
3. Specify transactional methods in data objects: Based on what you identified as your application’s transactional needs earlier, you need to now define those insert, update, delete, and single-row select as methods of your data objects. TierDeveloper lets you do that with point-and-click.
4. Define queries as data object methods: For each query that you identified earlier, define a query method in the appropriate data objects. Remember, a query returns a resultset which get translated into a assortment of data objects by TierDeveloper generated code.
5. Define stored procedure calls as data object methods: Wherever you possessed to call stored procedures, you need to define data object methods for them. Remember, these stored procedures contain sophisticated business rules. Any stored procedures for transactional operations or queries could be generated by TierDeveloper so you do not have to manually write them within the database.
6. Define bulk update/delete operations as data object methods: Wherever you must do a bulk update or bulk delete, you will need to define data object methods for them.
Step four: GENERATE AND RUN 50% Of the APPLICATION INSTANTLY
1. Generate data objects: After you have defined all your data objects, you are prepared to create code for them. You will get data object code within the following format:
a. .NET components
2. Build and deploy data objects generated code: Should you machine has the appropriate build environment for your platform, TierDeveloper asks you whether you want to build the generated data objects code. Should you say “yes”, it makes the next. It also then deploys them to your appropriate environment.
a. .NET assemblies for .NET components. They are deployed through component services.
3. Generate web application: After you have generated and make the data objects, you will get a completely working web application. The objective of this web application would be to allow you to test all the functions of information objects. This serves as a good sample/example code for you to copy into your own web database integration. TierDeveloper generates the following types of web applications:
a. ASP.NET pages in C# or VB.NET with or without XML/XSLT.
4. Build and deploy web application: TierDeveloper may also build all pages and posts for you. It will the next for every platform:
a. Develop a .NET assembly for ASP.NET pages. They’re deployed to IIS
5. Run deployed web app with data objects: Now that you’ve got successfully deployed the information objects and also the web app, you can run the net app. The truly nice thing is that all of this generated code has become working against your personal database as well as in your own environment. You can observe all of the behavior of the data objects through this web app as well as utilize it as a guide in your web design. Do this and you’ll be convinced about TierDeveloper as being a true Rapid Development tool.
STEP 5: DEVELOP REMAINING 50% Of the APPLICATION
After running and verifying that the generated code contains your required functionality and runs correctly against your database, after you are prepared to develop all of those other application. The areas you are likely to have to develop inside your application are:
1. Presentation Layer (Web Pages): Use TierDeveloper generated web app like a sample/example for quickly developing your own. You can even copy/paste many of the code in the generated web app into yours, thereby accelerating your development work even more.
2. Business Objects: Although TierDeveloper generated code contains all of your data manipulation logic plus some of the business rules too (in the form of data validation or stored procedure calls), you’ll most likely need to develop additional business objects. If you aren’t an expert inside your target platform (.NET, J2EE, or J2SE), you can learn from the generated data objects as your business objects are likely going to be in the same environment and would follow similar design approach.
Now there are Three Steps To Heaven
Just listen and you’ll plainly see
How virus and hackers attack and destroy
Your precious internet-connected computer toy
Just follow steps one, two and three
The first step – Run windows update automatically every day
Second step – Keep your antivirus running and updated
Step Three – Install and configure a firewall
Faster Virus
Today can many viruses find and infect some type of computer connecting to internet in less then A few minutes, whether or not the computer connects to internet using a modem. And just how much time will the 24/7 connected computer not give the bad guys?
So leaving a computer without proper protection isn’t advisable.
What to do?
There are measures it’s possible to do to bring down the chance of intrusion, virus attacks and other alike, to a level so low that it’s acceptable even for a sizable corporation.
1. Use Windows update. By having an web connection like dsl or adsl (continuous), set windows update too automatically to operate each day. For modems, try to run it each time you decide to go online.
2. Keep a good antivirus program installed (there are good commercial in addition to free choices). Essential, check the virus definition dates a minimum of once or twice each week. Ensuring they are really updated.
3. Make use of a firewall. Purchase a cheap hardware firewall. But remember that they only protect from incoming threats. For any two-way protection, obtain a software firewall. Almost all software firewalls can safeguard you from incoming and outgoing unwanted traffic. However, it will this at the cost of the more complicated configuration.
Are you able to secure some type of computer completely?
Not if you attempt to use it for normally. Even military grade security has problems maintaining the security intact. There are way too many variables to consider.
So, keep important personal information encrypted or on the computer without network access (take a look at Paris Hilton in the news. She had her computer stolen with very, very personal information in it).
Companies also needs to make sure that they’ve addressed point 1-3 above.
Final Notes
There’s something called backup! Everybody has heard it, most understand what it’s and just a few selected utilize it. I will say this only once.
Make regular backups on all-important data. This way can you at least restore it after reinstalling your computer (if viruses have a party in it).
Stick to the advices outlined here and you will a minimum of be three steps nearer to heaven!