What Is A Document Database

Research on the privacy protection of document-oriented database based on SaaS the Kang Jin of Shandong University This paper first proposes a document-oriented database privacy protection architecture, which, on the basis of the original SaaS architecture, creates a new SaaS service deployment architecture by adding a privacy layer between the application layer and the storage layer. This architecture decoupling the privacy protection system from the SaaS application system. In this architecture, the privacy protection system is transparent to both SaaS applications and database systems. Then, this paper introduces the basic method of privacy protection based on the face document database, in order to adapt ...

November 2013 22-23rd, as the only large-scale industry event dedicated to the sharing of Hadoop technology and applications, the 2013 Hadoop China Technology Summit (Chinese Hadoop Summit 2013) was held at four points by Sheraton Beijing Group Hotel. 　　Nearly thousands of CIOs, CTO, architects, IT managers, consultants, engineers, enthusiasts for Hadoop technology, and it vendors and technologists engaged in Hadoop research and promotion will be involved in a range of industries from home and abroad. In S ...

Today, cloud computing practitioners are not unfamiliar with the word nosql, although many technicians have long been engaged in http://www.aliyun.com/zixun/aggregation/22.html "> relational database work, But now they are full of anticipation for NoSQL technology. The transition from relational to NoSQL databases is definitely a big change to be considered for businesses. This involves not only the changes in software, but also the conceptual changes in data storage. Co ...

The document database of NoSQL database technical characteristics Today's cloud computing practitioners are not unfamiliar with the term nosql, though many technicians have long been working on relational databases, but now they are looking forward to nosql technology. The transition from relational to NoSQL databases is definitely a big change to be considered for businesses. This involves not only the changes in software, but also the conceptual changes in data storage. Most non-relational databases have fast and scalable features. By discarding relational storage models and schemas, relationships ...

Recent discussions about http://www.aliyun.com/zixun/aggregation/22.html "> The future of the relational database have been growing, and 51cto.com has previously reported on whether the end of the relational database has arrived" and The fundamental problem analysis of relational database is widely concerned. 　　Today we introduce a new document-type database MONGO. MONGO is a high-performance, open source, modeless document database, it's in many scenarios ...

Orient DB is a scalable document database that supports ACID transaction processing. Implemented using Java 5. Orientdb is an Open-source NoSQL database management system, written in Java, a document-type database that supports acid tx,http://www.aliyun.com/zixun/aggregation/16666.html "> Indexes,asynch queries,sql Layer ...

Orientdb 1.0RC3 This version of the improved Manager index also uses multiple query criteria. Fixed mode is a refreshing problem. Many of the errors are distributed cluster configurations. The SQL ALTER Custer command has been added. Added SQL operator exists. In Graphdb, SQL GREMLIN () is added to the GREMLIN script to execute the SQL query result set, GREMLIN integration as a command execution script. General disk space allocation and performance improvements. A total of 34 questions were amended. ...

The necessity of database encryption large database management system platform is typically Windows NT and Unix, these operating system security level is usually C1, C2 level. They have user registration, user identification, Arbitrary access control (DAC), audit and other security functions. Although the DBMS on the basis of the OS added a number of security measures, such as access control based on permissions, but the OS and DBMS on the database file itself is still lack of effective protection measures, experienced online hackers will "bypass", directly using the OS tools to steal or tamper with the database files ...

With the rise of internet web2.0 websites, the relational database has become a very hot new field, the development of the non relational database products is very rapid. 　　But the traditional relational database in dealing with web2.0 website, especially the super large-scale and high concurrent SNS type web2.0 pure dynamic website already appeared to be powerless, has exposed many insurmountable problems, for example: 1, high configured--to the database higher concurrent reads and writes the demand WEB2.0 website to be based on user personalized information to generate real-time dynamic ...

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 ...