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11 open-source documentation databases, bitsCN.com Document-oriented databases are designed to store, obtain, and manage document-based or semi-structured data. It is also a type of NoSQL database. The minimum unit of data storage is document. the document attributes stored in the same table can be different, and data can be stored in JSON, XML, and other formats. This article describes 11

Php + mysql open-source system ----- ThinkSNS function Ultimate optimization of V4.2 system stability edition"Stable upgrade of Web-side systems and smooth mobile experience" Mobile Multi-version [released on December 10, May 29]"Six editions of Lite version, chat version, social networking version, community activity version, image Social version, and

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Open source database H2, HSQLDB, DERBY, PostgreSQL, MySQL difference/Compare chartThe wave of the end of the Bo Master translation:Referential Integrity Reference IntegrityTransactions ThingsUnicode Unified CodeInterface Command Interface interfaceData size DB Limit database limitstemporary table temporary tables supportMaterialized view materialized Views (snaps

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NoSQLNareshKumar is a software engineer and enthusiastic blogger who is very interested in programming and new things and is very happy to share technical research results with other developers and programmers. Recently, Naresh wrote about 12 well-known free and open-source NoSQL databases and analyzed their features. NoSQL databases are becoming more and more popular. here I have summarized some very good,

In his user table; A field such as this is called email_setting: The value inside is this: a:2:{s:9:"FOLLOW_ME";s:1:"N";s:10:"NEW_ANSWER";s:1:"N";} What does that mean, please? The user table has a rencent_topic field, which is also true: a:1:{i:0;s:6:"化妆";} Why do some fields have such strange characters? This open source program is called Wecenter.Thanks for the answer downstairs, when storing a binary