Database Administrator Certification

Database security Policy Database security issues have been around the database administrator's nightmare, the loss of database data and the database by illegal user intrusion makes the database administrator physically and mentally exhausted. This paper puts forward some security policies around the security of the database, hoping to help the database administrator, no longer nightmares every night. Database security issues should include two parts: first, the security of database data it should be able to ensure that when the database system downtime, when the database data storage media is corrupted and when the database user misoperation, database data ...

It is well known that active participation in all types of training and certification is a significant feature of IT professionals. And in the 2012, is that technology going to be hot? There's no question about Hadoop. As open source data management software, Apache Hadoop is primarily used to analyze a large number of structured and unstructured data in a distributed environment. Hadoop has been used in many popular websites, including Yahoo,facebook,linkedin and ebay. The Hadoop bandwagon is gradually sweeping across all of America's vertical industries, including finance ...

http://www.aliyun.com/zixun/aggregation/13357.html ">azure VM Customized script extensions (Custom script Extension) will allow you to download from the storage account PowerShell script and execute it, with such a simple feature, you can flexibly automate VM settings in a variety of VM-customized contexts. In this article we will show you how to learn from ...

The buzzword in the IT industry in 2011 is "cloud computing." Currently, the security issue is the biggest concern of cloud computing applications. The 4th China CIO Annual Meeting on the theme of "Wisdom in the Cloud" was held on December 15, 2011 and was hosted by the Internet and IT experts. In the afternoon information security forum, information security issues were raised Discussion, from users, vendors and third-party experts to discuss this topic, especially the topic of cloud security. The biggest concern for users choosing a cloud application is often security, but in reality cloud computing is more secure than us ...

Overview 2.1.1 Why a Workflow Dispatching System A complete data analysis system is usually composed of a large number of task units: shell scripts, java programs, mapreduce programs, hive scripts, etc. There is a time-dependent contextual dependency between task units In order to organize such a complex execution plan well, a workflow scheduling system is needed to schedule execution; for example, we might have a requirement that a business system produce 20G raw data a day and we process it every day, Processing steps are as follows: ...

This paper is an excerpt from the book "The Authoritative Guide to Hadoop", published by Tsinghua University Press, which is the author of Tom White, the School of Data Science and engineering, East China Normal University. This book begins with the origins of Hadoop, and integrates theory and practice to introduce Hadoop as an ideal tool for high-performance processing of massive datasets. The book consists of 16 chapters, 3 appendices, covering topics including: Haddoop;mapreduce;hadoop Distributed file system; Hadoop I/O, MapReduce application Open ...

Security is often a top priority when planning to invest in cloud-based technologies. Of course, in a cloud environment, technology is often outside the network boundaries of an enterprise, so users can use resources instead of physical racks, servers, power systems, and other related devices. One important issue to be sure of is that critical data such as customer data, medical records, and intellectual property rights are not affected by other customer systems and data files. In this article, we will look at another security issue in the Enterprise Cloud environment: internal threats. We will explore deliberate (planned) attacks and accidents based on cloud-critical resources (...).

The intermediary transaction SEO diagnoses Taobao guest Cloud host technology Hall writes in front of the words: Everybody does not hang the black page hangs the horse the "hacker" to think too badly, the formidable is disdain these. 　　This sentence is enough. Now the hacker Web site is a dime, no matter where you want to learn, you can learn a recruit half style. Read someone else's signature: Aunt Wang is a hacker, baked sweet potatoes are also hackers, the owner of the opposite adult supplies shop, digging day, or hacker-_-~!... That's a lot of hackers!!! ...

So far, it's time to stop hype about the lack of big data talent and start training and recruiting programs. Experts are trained and not born. One question you need to answer is whether you need technical expertise or data expertise. Expertise allows SQL databases or Hadoop clusters to be used. Data expertise allows us to leverage data mining, text mining, forecasting and machine learning techniques. Either way, we should first of all assume that cultivating talent from existing staff is the most important ...

Page 1th: Why use the IAM in the traditional sense, organizations invest in IAM practices to improve operational efficiency and meet requirements for regulatory, privacy, and data protection: improved operational efficiency The architecture of good IAM technologies and processes automates repetitive work such as user entry, 　　Thus improving efficiency (for example, self-service reset user request password without system administrator using Help desk dispatch system intervention). Compliance Management to protect systems, applications, and information from internal and external threats such as ...