Free Rdbms

Koha is the first free and open source software Library Automation package (Instrument Landing system). Development is sponsored by different sponsors from all over the world type and size, volunteer, support Enterprise Library. The kohahttp://www.aliyun.com/zixun/aggregation/7434.html "> Development Team is pleased to announce the release of Koha 3.4.0. A major feature version of Koha 3.4.0 contains significant changes in the basic architecture (the template used:: for template kits) and ...

Naresh Kumar, a software engineer and enthusiastic blogger, has great interest in programming and new things, and is happy to share technical research results with other developers and programmers. 　　Recently, Naresh wrote about 12 well-known free, open source NoSQL databases, and analyzed the characteristics of these databases. Now that the NoSQL database is becoming more and more popular, I'm here to summarize some of the great, free and open source NoSQL databases. In these databases, MongoDB the top, with considerable ...

"Guide" the author (Xu Peng) to see Spark source of time is not long, note the original intention is just to not forget later. In the process of reading the source code is a very simple mode of thinking, is to strive to find a major thread through the overall situation. In my opinion, the clue in Spark is that if the data is processed in a distributed computing environment, it is efficient and reliable. After a certain understanding of the internal implementation of spark, of course, I hope to apply it to practical engineering practice, this time will face many new challenges, such as the selection of which as a data warehouse, HB ...

The intermediary transaction SEO diagnoses Taobao guest cloud host technology Hall "the SEO new person to the website on-line" regarding the space choice to write a little, therefore today's year bin detailed to speak the basic knowledge of the space. 　　SEO rookie in the selection of host space, the main view of the following aspects of the space package, in the contact host their own site type, picture class or text class, the user in the south or north, but also economic strength, choose the right virtual host space to build the station. Host space: Web space is what you buy ...

As a software developer or DBA, one of the essential tasks is to deal with databases, such as MS SQL Server, MySQL, Oracle, PostgreSQL, MongoDB, and so on. As we all know, MySQL is currently the most widely used and the best free open source database, in addition, there are some you do not know or useless but excellent open source database, such as PostgreSQL, MongoDB, HBase, Cassandra, Couchba ...

This paper introduces how to build a network database application method by MySQL of the golden combination of Web database, PHP is a server-side embedded hypertext Processing language similar to Microsoft ASP, it is a powerful tool to build dynamic website. While MySQL is a lightweight SQL database server that runs on a variety of platforms, including Windows NT and Linux, and has a GPL version, MySQL is considered the best product for building a database-driven dynamic Web site. PHP, MySQL, and Apache are Linux ...

MongoDB is currently the best document-oriented free Open-source NoSQL database. If you are preparing to participate in a technical interview for the MongoDB NoSQL database, you might want to look at the following MongoDB NoSQL interview questions and answers. These MongoDB NoSQL interview questions cover the basic concepts of NoSQL databases, replication (Replication), fragmentation (Sharding), Transactions and locks, trace analysis Tools (Profiler), nuances, and logging features. Let's look at the following ...

Several years of work down, also used several kinds of database, accurate point is "database management system", relational database, there are nosql. Relational database: 1.MySQL: Open source, high performance, low cost, high reliability (these features tend to make him the preferred database for many companies and projects), for a large scale Web application, we are familiar with such as Wikipedia, Google, and Facebook are the use of MySQL. But the current Oracle takeover of MySQL may give us the prospect of using MySQL for free ...

December 2014 12-14th, hosted by the China Computer Society (CCF), CCF large data Expert committee, the Chinese Academy of Sciences and CSDN co-organizer of the 2014 China Large Data Technology conference (DA data Marvell Conference 2014,BDTC 2014 will be opened at Crowne Plaza Hotel, New Yunnan, Beijing. The three-day conference aims to promote the development of large data technology in the industry, and to set up "large data Infrastructure" and "large data ..."

The intermediary transaction SEO diagnoses Taobao guest Cloud host Technology Hall Linux is a set of free to use and freely propagated Unix-like operating system. Web servers are ubiquitous. In today's world of dedicated intranets and public data announcements, virtually every workstation connected to the Internet can be a worldwideweb server. 　　Now, based on Linux operating system software numerous, today, IDC Review network recommended 5 from Abroad mainstream Web server. 1.AOLs ...