Smallsql is a pure Java http://www.aliyun.com/zixun/aggregation/22.html "> Relational database Management system compatible with JDBC 3.0 and ANSI SQL 92/99 specifications." It is a small and fast database engine, but does not provide a network interface. Smallsql is a 100%-pure Java DBMS, an embedded relational database for Java desktop applications ...
Lu Aifang September 13 Morning, the Excle convention Center in East End, the world's 5,000 developers, media and customers gathered, waiting for the Nokia 2010 World Congress and Developer Summit opened. The scene was so orderly that it did not look as if it had just passed a "stormy storm"-three days after Nokia's board announced that CEO Kallasvuo had stepped down and replaced it with Stephen Elop, a Microsoft Elop. In fact, as early as six months ago has been the Nokia board to replace Kallasvuo News. Nokia...
The operating language of the data is SQL, so many tools are developed with the goal of being able to use SQL on Hadoop. Some of these tools are simply packaged on top of the MapReduce, while others implement a complete data warehouse on top of the HDFs, while others are somewhere between the two. There are a lot of such tools, Matthew Rathbone, a software development engineer from Shoutlet, recently published an article outlining some common tools and scenarios for each tool and not ...
About pi Everyone is familiar with: we learn from the textbook to as early as more than 1000 years ago, zu Pi to 3.1415926 to 3.1415927 ... After the birth of the computer, calculate pi is used to detect computer hardware performance, day and night burning CPU to see if there is a problem ... Others also want to see if there is a rule behind this mysterious figure of infinite extension, to discover some cosmic secrets ... Mention PI, cannot mention Fabrice Bellard, he is considered a computer genius, in the industry has ...
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 ...
Based on the Apache Hadoop 2.2 released last month, concurrent, a large data application platform expert, today unveiled a new version of cascading--'s large data application framework. Concurrent also launched cascading lingual 1.0, an Open-source project that provides a full ANSI SQL interface. Cascading is a stand-alone Open-source Java application framework designed as an alternative API for MapReduce. ...
Artistic Style 2.02.1 This version to increase translation support. The definition of the bracket is redesigned to simplify the user interface: The predefined style option is changed to the Bracket style option, and bracket options is simplified. Several new bracket styles were added. UTF-16 encoded files (in the Visual Studio Standard) can now be formatted. Many other improvements and bug fixes. Artistic style is ...
This time, we share the 13 most commonly used open source tools in the Hadoop ecosystem, including resource scheduling, stream computing, and various business-oriented scenarios. First, we look at resource management.
Hadoop is a large data distributed system infrastructure developed by the Apache Foundation, the earliest version of which was the 2003 original Yahoo! Doug cutting is based on Google's published academic paper. Users can easily develop and run applications that process massive amounts of data in Hadoop without knowing the underlying details of the distribution. The features of low cost, high reliability, high scalability, high efficiency and high fault tolerance make Hadoop the most popular large data analysis system, yet its HDFs and mapred ...
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