Why Learn Sql

As I mentioned in the previous article, with SQL Services as a general development of small and medium sized applications, you can forget about the existence of SQL Server 200X. Is it that amazing? 　　Now it's time to learn more about the sanctity of SQL services. In most cases, Web applications need to rely on another database server. This database service requires professional IT people to maintain. Before you deploy your application, you need to think too much: Does the data server have enough capacity? Performance How ...

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnosis Taobao guest Cloud host technology Hall sister article" "Practice effective website anti-SQL injection (i)" " To communicate with you to prevent the Golden method of SQL injection, from the development, at two levels to solve, I think if you follow the introduction of the steps can be done, I think we should be able to do a good defense effect. But we say, no 100% safety ...

Now, Apache Hadoop no one I do not know unknown. When Doug Cutting, a Yahoo search engineer, developed the open source repository for creating a distributed computing environment and named his son's elephant doll, who could think of one day it would occupy the head of "big data" technology Top spot it. Although Hadoop hot with big data together, but I believe there are still many users do not understand it. In last week's TDWI Solutions Summit, TDWI Research Director and Industry Analyst Phili ...

The intermediary transaction SEO diagnoses Taobao guest Cloud host Technology Hall This station has seen long ago, this station to Hefei SEO very has the big attraction! About Web Technology The search term can always be seen on the home page, because the long tail word is perfect. 　　Why don't we just say it today? ~_~ First outline: Architecture: Foreground architecture uses div for page layout, background ASP scripting language (although many people say very old, but really easy to use language). Domain name: May think of standard ...

The fledgling you with the remaining ink with the graduation certificate on the job, immediately by the book did not write the rules and a variety of miscellaneous day-to-day affairs to a. Such stories are commonplace, and programming is no exception. Few students are 100% ready for their first real job. If you don't want to be one of them, learn the following 10 basic skills that you can learn without hands-on instruction: 1, Version control system (VCS) VCs may be the biggest omission in the computer curriculum. These lessons just remember teaching how to write code, but often forget to teach students ...

As a member of the Windows Azure team, I've always been asked two questions by Enterprise IT customers. Customers who are not accustomed to the cloud will ask, "Why do I use the cloud?" Those who already have a cloud ask "which one should you trust when implementing a cloud platform?" Fortunately, these two questions can only be answered with a simple answer. First-why business it changes the way they used to do business with the cloud-the answer comes from history. In the past, the enterprise's ...

Intermediary transaction SEO diagnosis Taobao guest Cloud host Technology Hall log is a very broad concept in computer systems, and any program may output logs: Operating system kernel, various application servers, and so on. 　　The content, size and use of the log are different, it is difficult to generalize. The logs in the log processing method discussed in this article refer only to Web logs. There is no precise definition, which may include, but is not limited to, user access logs generated by various front-end Web servers--apache, LIGHTTPD, Tomcat, and ...

Introduction: It is well known that R is unparalleled in solving statistical problems. But R is slow at data speeds up to 2G, creating a solution that runs distributed algorithms in conjunction with Hadoop, but is there a team that uses solutions like python + Hadoop? R Such origins in the statistical computer package and Hadoop combination will not be a problem? The answer from the king of Frank: Because they do not understand the characteristics of R and Hadoop application scenarios, just ...

Have to say, now the market demand, everything is for the performance, and the source of performance is what, is marketing. Only good marketing can bring good performance, that is to make money. Like the traditional self-employed is also marketing, the Internet: blog marketing, QQ Group marketing, Forum marketing, micro-blog marketing, as well as the current micro-credit marketing. All the time is full of marketing, in fact, what is marketing? It's easy to make money. But now the after forget how much behind the pay, can really go to execute marketing word. Only can say "I want to learn marketing, I will learn marketing", this is like cock silk whole ...

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest Cloud host Technology Hall Editor's note: Can you believe the above data comes from a website that hasn't been maintained for four years? 1532 days, to be exact. Growth curve Abnormal Hue, although the data is not much, but if you know that there is no publicity and promotion, it is enough to express your surprise, like a wasted flower ...