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1. Concept The so-called view is a "virtual table". It is virtualized because the data in the view does not exist in the view itself, but in the table that creates the view. 2. Advantages of views A. Logically expand the database structure.

This is the first time you post such a post. Only links are sent this time. The content of each link will be briefly explained in Chinese at the beginning of the next time. 1) Revenue from tweets http://bit.ly/AzxCY2) Motorola application

When dataset is written into the memory stream using the writexml method of dataset, the Declaration line of the XML document is missing. Dataset. writexml (memorystream, xmlwritemode. writeschema). After writing, memorystream does not contain the

Original article published on I have been busy with projects for the past few days.TestDocumentation. After busy for a long time, the harvest is not small. TestReportWe need real test results, and of course we need to test Result Analysis and so

In the idle time, I suddenly had a small idea to share with you. If you buy Microsoft for $39, just relax! Recently, the company was working on an academic guidance platform. when discussing the function of an online document, it mentioned an

Original article published on 22:03:09 Preparing a new project in the past few daysTestWorkThe information survey is complete and preparation starts.Test Plan. I designed a test plan based on my previous test template, but I just thought of a

When the data template style selector is used, the attribute value of itemcontainerstyle cannot be set. If this value is set, the data template style selector will be ineffective. When using the data template style selector, you must first create a

In the previous article, we talked about creating clustered and non-clustered indexes. Here we will add the difference between clustered index and non-clustered index. Only one clustered index can be created for a table, and 249 non-clustered

Common CSS file styles integrated by multiple projects. The related annotations are for reference only:View code 1/* : defines pre-formatted text. : indicates the text content of the computer source code;2 * : groups related elements in the Form. :

It's time. This is the most tangled part of the plan testing process. Planning is a very troublesome task. The key point is that it is difficult to determine the length of time during planning. In a book called "facts and errors in software

Because the project requires that multiple different records be updated at the same time, we have discussed a good solution with our colleagues. The following is a test example. 1. Create two temporary tables and input test data:View code 1 create

This article is a little bit of knowledge used in transactions. It's not enough to talk about it. Here is a problem first. Here is the code I wrote at first:View code 1 // start the transaction2 sqltransaction transaction = conn. begintransaction ()

Original article published on If neededReprintedPlease contact the translator chdwu@bestreme.com English Source: http://www.wilsonmar.com/perftest.htm AboutPerformance Testing, You may be more concerned about the time required to save the system

Originally published on 15:27:58 {Function onclick (){Function onclick (){Function onclick (){Tagshow (event, '% D7 % D4 % B6 % af % BB % af % B2 % E2 % Ca % D4 ');}}}} ">Automated Testing, Encountered the processing of the pop-up dialog. At that

Original article published on 12:58:01 TestPlanIt should be the first test document in the entire test process, but it is generally not a testerLearningFirst stop. It may be because everything is difficult at the beginning, and the test

In the previous article, we mentioned that the Plan test should take into account people, things, time and many other issues, and also mentioned that the Plan test should focus on the plan process rather than the test plan.   This article focuses

In the first article of this series, I mentioned that the essence of the plan is "a specific person has done specific things at a specific time to achieve specific goals ", in the reply in the previous article, Tudou replied to his opinion on the

Original article published on 10:47:48 HTTP Error 400400 request ErrorThe server cannot understand the request because of incorrect syntax format. If no modification is made, the client program cannot repeat the request. HTTP error 401401.1

Originally published on 10:39:22 In the past few days, the project is relatively time-consuming, but I still can't help reading this article at night.LoadRunnerI am ashamed to say that I have never used such excellent books for so long.Performance

The last time I wrote Spoof Test (1): When the tester is ill ...... Then, I found that this kind of untitled article doesn't know where to put it, So I simply created a new tag today, which is called "spoof testing. Although spoof, it is not