Ms Sql Round Up

We want to do not only write SQL, but also to do a good performance of the SQL, the following for the author to learn, extract, and summarized part of the information to share with you! (1) Select the most efficient table name order (valid only in the Rule-based optimizer): The ORACLE parser processes the table names in the FROM clause in Right-to-left order, and the last table in the FROM clause (the underlying table driving tables) is processed first, In the case where multiple tables are included in the FROM clause, you must select the table with the least number of records as the underlying table. If...

April 24, we released a preview version of the SQL Database base level (preview) and standard (preview) new service levels and new business continuity features. In this blog post, we delve into the performance of new levels in SQL Database. Begin with the need for change. We focus on performance (specifically predictable performance) in new service levels, driven primarily by strong customer feedback on SQL Database Web-Level and enterprise-class performance. Web-and enterprise-level performance ...

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 ...

The concept of large data, for domestic enterprises may be slightly unfamiliar, the mainland is currently engaged in this area of small enterprises. But in foreign countries, big data is seen by technology companies as another big business opportunity after cloud computing, with a large number of well-known companies, including Microsoft, Google, Amazon and Microsoft, that have nuggets in the market. In addition, many start-ups are also starting to join the big-data gold rush, an area that has become a real Red sea. In this paper, the author of the world today in the large data field of the most powerful enterprises, some of them are computers or the Internet field of the Giants, there are ...

This week, splice machine, a big data start-up, completed a 4 million dollar a round of funding to build a SQL database on the Open-source Hadoop Distributed File System, MONGOHQ $6 million in investment to develop its developer-oriented database services BloomReach received 25 million dollars in investment to further expand the application of large data marketing. The recent developments in these three companies have amply demonstrated why investors are pouring money into big data start-ups because of the increasing use of large data ...

ZDNet to top network software Channel News (text/Shanghui) Microsoft's vice president and chief cloud computing strategist, Shenwey, said in an exclusive interview with ZDNet that in the era of cloud computing, software developers need new ideas in architecture design and profit patterns, and programmers in the application development process Consider which part of the application needs to be seamlessly migrated from the private cloud to the public cloud in the future. When it comes to partnering strategies, Shenwey says Microsoft will encourage existing partner channels to better sell cloud-related services or new models in the era of cloud computing. When Microsoft's business ...

The top two of the Superman-Hadoop start-up This is no longer a secret, global data is growing geometrically, with the wave of data growing rapidly around the world in a large number of hadoop start-ups. As an open source branch of Apache, Hadoop has almost become a surrogate for large data. Gartner estimates that the current market value of the Hadoop ecosystem is about 77,000,000, which the research company expects will increase rapidly to 813 million by 2016 ...

Shenwey, vice president and Chief Cloud Strategy officer of Microsoft Greater China, said in an exclusive interview with reporters in the era of cloud computing, software developers need new ideas in architecture design and profit patterns, and programmers should think about which applications need to be seamlessly migrated from private cloud to public cloud in the application development process. When it comes to partnering strategies, Shenwey says Microsoft will encourage existing partner channels to better sell cloud-related services or new models in the era of cloud computing. When Microsoft's business model is transferred from the licensing mode to the licensing plus subscription mode, the partner ...

Over the past few years, NoSQL database with its easy to expand, high-performance, high availability, data model flexibility and other features attracted a large number of emerging internet companies, including the domestic Taobao, Sina, Jingdong Mall, 360, Sogou, etc. have been in the local attempt to NoSQL solutions. Guangzhou giant FIR Database is a focus on the new NoSQL distributed database research and development of the start-up company, has now won the first round of angel investment, the core product is sequoiadb. The founding team members of the giant FIR database are from IBM North America Laboratories, and have long been engaged in the relational database D ...

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