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Visual Basic Programming
How Can you use MS Visual Basic 2005 Express as a direct database application?
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Where do i find my account number from direct express?
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What do you use for the bank account number with a direct express card?
Asked in Database Programming
could threats to data security may be direct threats to the database?
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What is the medical term meaning instrument for performing visual examination of the larynx?
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Is Nigerian university direct entry form for 2008 out?
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How do you write application to principle for choosing biology subject?
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Why is a direct democracy ideal?
Asked in Visual Basic Programming
What is the difference between a visual learning style and a visual intelligence?
Visual learning style means you prefer your "input" to come in visually more than audial or kinesthetic. Visual intelligence is totally different: it is really visual-spatial intelligence i.e. the ability to see things in your mind in 3 dimensions and also to turn things in your mind. You could actually be an audial learner and very high in visual-spatial intelligence, or a visual learner and be very low in visual-spatial intelligence, the two really have no direct relationship to each other.
What does the following statement mean This application has failed to start because d3dx9 32dll was not found?
Asked in Architecture
Advantages and disadvantages of Multitier architecture?
I hope these are the right answers: The benefits of the N-tier model are as follows: Scalability: The key N-tier benefit is improved scalability since the application servers can be deployed on many machines. Also, the database no longer requires a connection from every client -- it only requires connections from a smaller number of application servers. In addition, TP monitors or ORBs can be used to balance loads and dynamically manage the number of application server(s) available. Better Re-use: The same logic can be initiated from many clients or applications. If an object standard like COM/DCOM or CORBA is employed (as discussed in tool dependence), then the specific language implementation of the middle tier can be made transparent. Improved Data Integrity: since all updates go through the middle tier, the middle tier can ensure that only valid data is allowed to be updated in the database and the risk of a rogue client application corrupting data is removed. Improved Security: Security is improved since it can be implemented at multiple levels (not just the database). Security can be granted on a service-by-service basis. Since the client does not have direct access to the database, it is more difficult for a client to obtain unauthorized data. Business logic is generally more secure since it is placed on a more secure central server. Reduced Distribution: Changes to business logic only need to be updated on the application servers and do not have to be distributed to all the clients. Improved Availability: mission-critical applications can make use of redundant application servers and redundant database servers. With redundant servers, it is possible to architect an application so that it can recover from network or server failures. Hidden Database Structure: since the actual structure of the database is hidden from the caller, it is possible that many database changes can be made transparently. Therefore, a service in the middle tier that exchanges information/data with other applications could retain its original interface while the underlying database structure was enhanced during a new application release.