open source columnar database

Article title: open-source embedded database BerkeleyDB (1 ). Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. Although a C/S-based relat

Java Open Source Forum system http://javabbs.javaz.cn Project Address: http://www.freeteam.cn/ Database Information collection Starting with the FREECMS 2.1 support Through simple configuration can crawl target database information, support incremental collection, keyword replacement, timing collection, can collect a v

" Selectm). FirstOrDefault (); Zhangsan.password="678"; Db. Update (Zhangsan); //Delete Data vardata = db. Userinfo.firstordefault (m = M.username = ="John Doe"); if(Data! =NULL) {db. Delete (data); } //Commit a transactiondb.committransaction (); } Catch { //rolling back a transactiondb. RollbackTran

With the development of Internet technology, the traditional relational database can not be satisfied with the storage and analysis of massive data, thus deriving a database NoSQL (not only SQL) which is different from the relational database.The more mature nosql in foreign countries have mongodb,cassandra,tokumx and so on, not listed.As far as I know, bat and other giants have their own nosql projects, so

Open source database traffic audit MySQL SnifferMy most respected database security product is a traffic-based database audit, because it does not need to change the network structure, and the most critical is that it does not affect the performance of the

Tags: blog http io os using AR java for strongAmoeba (amoeba) project is an open source framework, launched in 2008 to launch a amoeba for MySQL software;This software is dedicated to MySQL's distributed database front-end agent layer, which mainly serves as the SQL routing function when the application layer accesses MySQL, and focuses on the development of the

November February 15 (Dai xunyan compiled): according to an external report, Oracle announced the acquisition of open source database vendor Sleepycat on Tuesday. This is the re-acquisition of open source database companies after

Open source database connection pools in Java are available in the following ways:1, c3p0 c3p0 is an open source JDBC connection pool that is published in the Lib directory with Hibernate, including connection and statement to implement JDBC3 and JDBC2 extension specificatio

PostgreSQL is an object-relational database management system (ORDBMS). It is also a free software database system with the most powerful features and the most complex features. it originated from the database research program of Berkeley (BSD) and is currently one of the most important open-

Label:Directly on the program interface, to understand what the overall workflow is like, for the server to hang up the test, the need for fixed IP, space about 10G (mainly BT seeds occupy space is too large), it is best to have SQL Server as a storage database, the current use of Access database as a test, Afraid of late data over million, the site query operation is very slow. If the program runs long eno

Label:sqlite-Open source, cross-platform, compact relational database-1 Learn SQLite database in 1 hours 1. Introduction SQLite is an open-source, embedded relational database that impl

Release the open source code for the previous period:ArdbconfigOn the IOS, provide a database table structure update mechanism, ensure that the user in any version of the installer, the Database structure to ensure adapter.(on iOS, a mechanism for updating the database table