Free Embedded Database

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 ...

Naresh Kumar is a software engineer and enthusiastic blogger, passionate and interested in programming and new things. 　　Recently, Naresh wrote a blog, the open source world's two most common database MySQL and PostgreSQL characteristics of the detailed analysis and comparison. If you're going to choose a free, open source database for your project, you may be hesitant between MySQL and PostgreSQL. MySQL and PostgreSQL are free, open source, powerful, and feature-rich databases ...

Valentina is a Cross-platform database management system that makes it easier to switch between the local embedded database and the same server source code. It supports disk and storage databases, and field types from bit to BLOB are both SQL92 (99) and non-SQL APIs. Valentina also supports extended navigation and object-associated http://www.aliyun.com/zixun/aggregation/14208.html > Data models for dependencies. It leads to ...

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 ...

The SmartCloud Entry supports the user in selecting a Derby database to bring with them, or using the DB2 database. The purpose of this article is to show you how to access the system's own Derby database, because DB2 itself provides accessible clients, so it is not covered in this article. The environment prepares a running http://www.aliyun.com/zixun/aggregation/13696.html ">smartcloud Entry ...

Although the "editor's note" has been available for 9 years, the popularity of Mongodb,hamsterdb is still lacking, and it has been rated as a Non-mainstream database. Hamsterdb is an open source key value type database. However, unlike other Nosql,hamsterdb, which are single-threaded and not distributed, they are designed to be more like a column store database, while also supporting acid transactions at the Read-committed isolation level. Then compare Leveldb,hamsterdb will have any advantage, here we go ...

Recently, in 2011 China Software Technology Conference, Versant database technology Vice President Robert Greene received an exclusive interview with Sadie Net reporter. In the field of data management in cloud computing, the main trend in the future is the full mobility of data, Robert Greene said in an interview. At the same time, he also revealed that for domestic developers, Versant will soon launch certification training services. It is learned that the Versant database is an advanced large-scale distributed database of the next generation, widely used in a variety of large data processing. Vers ...

"Three times a year upgrade memory, still can not meet the high requirements of antivirus software." Each upgrade product model, the computer's system resource occupancy rate is soaring, anxious to maintain the highest configuration of the year to become! Now, at the same time get efficient security and smooth network operation, unexpectedly became a kind of extravagant hope! "Mr. Zhang, the IT director of an enterprise, and many of the enterprise's IT executives, is hard to choose between efficient anti-virus products and optimizing network resources." Based on the customer's dual demand for security effects and minimum hardware configuration, trend technology pioneered cloud security technology in July this year, surpassing traditional code ...

2010 should be remembered because SQL will die this year. This year, the relational database is on the verge of falling, and this year developers found they no longer needed long, laborious columns or tables to store data. 2010 will be the starting year for document databases. Although this momentum has lasted for many years, it is now the era of more and broader document-based databases. From cloud-based Amazon to Google, a large number of open source tools, and the ensuing CouchDB and MongoDB. So what is MongoD ...

Fourth Chapter online Retail payment settlement currency: Electronic money electronic money as the latest currency form, since the 1970s, its application has been more and more extensive. E-Money is the payment currency that the main parties of the network retail transaction use to complete the exchange. Without E-commerce, there would be no electronic money. Similarly, there is no electronic commerce without electronic money. [1] Electronic money overview One, the development of electronic money business at home and abroad, the development of electronic money in the late the 1990s, and has been widely concerned by the public and the official institutions.