tabular database vs relational database

Source: http://blog.csdn.net/robinjwong/article/details/185021951. Relational databaseRelational database refers to a database that uses a relational model to organize data.The relational model was first proposed by IBM researcher Dr. E.f.codd in 1970, and in the following d

Label:1. Relational databaseRelational database refers to a database that uses a relational model to organize data. The relational model was first proposed by IBM researcher Dr. E.f.codd in 1970, and in the following decades, the concept of

 http://blog.csdn.net/robinjwong/article/details/18502195 1. Relational database A relational database is a database that uses a relational model to organize data. The relational m

command line ha ... ）：8: After the environment is installed, you can manipulate the MongoDB database:Show DBS order to display a list of all data:The Execute DB command can display the current database object or collection:Run the use command to connect to a specified database:The syntax format for MongoDB database creation is as follows:User database name:The

usability and extensibility are better, The disadvantage is the implementation of complex and potential performance issues . do not share : any CPU can only access its own main memory and disk . The benefits are also scalability and availability, The disadvantage is to achieve complex and complex equalization . Hybrid : The system as a whole is a shared nothing schema, but the nodes may be inside other architectures. This blends the benefits of multiple ar

Label: Database Paradigm when designing the relational database, we should design a reasonable relational database to conform to different specifications, and the different norm requirements are called different paradigms, and the higher paradigm

Acid principles for relational database compliance (1) A Atomic nature: All operations in a transaction, either done or done, the success of the transaction is the success of all operations in the transaction, as long as one operation fails, the entire transaction fails and needs to be rolled back. (2) C Consistency: The database should always be in a consistent

1. Relational database A relational database is a database that uses a relational model to organize data. The relational model was first proposed by IBM researcher Dr. E.f.codd in 1970

Tags: relational database non-relational dataTypeCharacteristicsAdvantagesDisadvantagesrelational databaseSQLite, Oracle, MySQL1, relational database, refers to the use of relational model to organize data