Relational Database

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The limitations of SQL transforming relational database to NoSQL

NoSQL systems generally advertise a feature that is good performance and then why? relational database has developed for so many years, various optimization work has been done very deep, nosql system is generally absorbing relational database technology, and then, in the end what is the constraints on the performance of relational database? We look at this problem from the perspective of http://www.aliyun.com/zixun/aggregation/9344.html "> System design." 1, index support. Relational data ...

: Online payment, health management cloud, non-relational database, express, cloud storage

Absrtact: Paytm was invested by Alibaba $575 million, valued at $2 billion Paytm by Alibaba Group and its financial services subsidiary Ant Micro Financial Services group to invest about 575 million U.S. dollars. It is understood that after the completion of the transaction, Alibaba and Ant finance will hold one, Paytm Alibaba 575 million dollar investment, the valuation of more than 2 billion U.S. dollars Paytm by the Alibaba Group and its financial services subsidiary Ant Micro Financial Services group to invest about 575 million U.S. dollars. It is understood that after the completion of the transaction, Alibaba and ...

Non-relational database-cassandra-

Cassandra is a mixed relational database, similar to Google's bigtable. Its main function is richer than the dynomite (distributed Key-value Storage System), but the support degree is inferior to the document storage MongoDB (the open source product between the relational database and the non relational database, the relational database has the richest function, most resembles the relational database. The supported data structure is very loose and is a JSON-like Bjson format, so you can store more complex data types. ) Cassa ...

Cubrid v3.1 publishes open source object-relational database

Cubrid is an open source object-relational database developed in Korea. Cubrid is a widely used free open source http://www.aliyun.com/zixun/aggregation/22.html "> relational database, which is highly optimized for efficient implementation of network applications, Particularly suitable for large data volumes and high concurrent requests for business logic. By providing unique optimization features, Cubrid can support more concurrent requests, less noise ...

Piecewise relational database in cloud computing

Social media, E-commerce, mobile communications, and machine-machine data exchange make terabytes or even petabytes of data that the enterprise IT department must store and process.   Mastering fragmentation best practices is a very important step in the cloud planning process when users process data for cloud computing databases. Fragmentation is the process of splitting a table into a manageable size disk file. Some highly resilient key-value data stores, such as Amazon simple DB, Google App engine ...

Discard relational database PHP programmers should know five things about MongoDB

"51CTO exclusive feature" 2010 should be remembered, because the SQL will die in the year. This year's relational database is on the go, and this year developers find that they don't need long, laborious construction columns or tables to store data. 2010 will be the starting year for a document database. Although the momentum has been going on for years, now is the age when more and more extensive document databases appear. From cloud-based Amazon to Google, a number of open-source tools, along with the birth of Couchdb and MongoDB. So what ...

Smallsql 0.21 publish a pure Java relational database management system

Smallsql is a pure Java http://www.aliyun.com/zixun/aggregation/22.html "> Relational database Management system compatible with JDBC 3.0 and ANSI SQL 92/99 specifications." It is a small and fast database engine, but does not provide a network interface. Smallsql is a 100%-pure Java DBMS, an embedded relational database for Java desktop applications ...

Orientdb 1.0rc8 Publishing non-relational database management system

Orientdb is an open source, non relational database management system. It is used under general hardware and can be stored at the speed and capacity of 150,000 files per second. It is written in Java and belongs to a document database that supports acid Tx, http://www.aliyun.com/zixun/aggregation/16666.html ">indexes, asynch queries, SQL Layer, clustering, etc., support A ...

Orientdb 1.0rc7 Publishing non-relational database management system

Orientdb is an open source, non relational database management system. It is used under general hardware and can be stored at the speed and capacity of 150,000 files per second. It is written in Java and belongs to a document database that supports acid tx,http://www.aliyun.com/zixun/aggregation/16666.html ">indexes,asynch queries,sql Layer,clustering and so on, support A ...

Orientdb 1.0.1 Publishing non-relational database management system

Orientdb is an open source, non relational database management system. It is used under general hardware and can be stored at the speed and capacity of 150,000 files per second. It is written in Java and belongs to a document database that supports acid Tx, http://www.aliyun.com/zixun/aggregation/16666.html ">indexes, asynch queries, SQL Layer, clustering, etc., support ...

Horizontal expansion technology of cloud service in RDS relational database

Horizontal expansion technology of cloud service in RDS relational database Aliyun RDS product line Our headquarters--overview--How to use--how to work--current limitations--future work the horizontal expansion technology of cloud service in RDS relational database

Orientdb 1.0RC4 Publishing non-relational database management system

Orientdb is an open source, relational database management system that can be stored with the speed and capacity of 150,000 files per second under general hardware. It is written in Java and belongs to a document database that supports acid tx,http://www.aliyun.com/zixun/aggregation/16666.html ">indexes,asynch queries,sql Layer,clustering and so on, support AC ...

Orientdb 1.0RC5 Publishing non-relational database management system

Orientdb is an open source, relational database management system that can be stored with the speed and capacity of 150,000 files per second under general hardware. It is written in Java and belongs to a document database that supports acid tx,http://www.aliyun.com/zixun/aggregation/16666.html ">indexes,asynch queries,sql Layer,clustering and so on, support AC ...

ORIENTDB 1.0 Publish a non-relational database management system

Orientdb is an open source, non relational database management system. It is used under general hardware and can be stored at the speed and capacity of 150,000 files per second. It is written in Java and belongs to a document database that supports acid Tx, http://www.aliyun.com/zixun/aggregation/16666.html ">indexes, asynch queries, SQL Layer, clustering, etc., support ...

Cego 2.10.6 Publish a relational database that supports transactional and SQL query languages

Cego 2.10.6 This release urgently fixes some features including Nextcount and SetCount. Cego implements a http://www.aliyun.com/zixun/aggregation/22.html "> relational database that supports transactional and SQL query languages, supporting general database functions as well as indexes, views, stored procedures, and so on. Download Address: http://www.lemke-it.com/cego-2.10 ...

Cego 2.10.0 Publish a relational database that supports transactional and SQL query languages

Cego 2.10.0 Update log: · Elemination of many compiler warnings for the clang c++++ This also brought up several bugs fixes in the Code. A lot to the "Clang team" for the ...

Cego 2.10.1 Publish a relational database that supports transactional and SQL query languages

Cego 2.10.1 Update log: Complete all 2.10.1 tests, the IWORXS pattern is a good test case to prove all the new features. Cego implements a http://www.aliyun.com/zixun/aggregation/22.html "> relational database that supports transactional and SQL query languages, supporting general database functions as well as indexes, views, stored procedures, and so on. CEGO-DBD is an open source program that implements the per ...

Easy Java Persistence 2.4 Publishing relational database persistent Java API

EJP is a powerful and easy-to-use http://www.aliyun.com/zixun/aggregation/22.html "> relational database Persistence Java API. The main features of EJP include: 1, Object/Relationship (object/relational) automatic Mapping (A-O/RM) 2, automatic processing of all associations 3, automatic persistence tracking EJP no need for mapping annotations or XML matching ...

Pyrseas 0.4.1 Release relational database maintenance tools

Pyrseas is a tool that provides frameworks and utilities to upgrade and maintain http://www.aliyun.com/zixun/aggregation/22.html > relational databases. It uses a Dbtoyaml utility to create a yaml description of the PostgreSQL database table and uses the YAMLTODB tool to generate SQL statements that modify the input YAML specification of the database match. It is also used to develop data management tools to complement a flexible database development ...

Htsql 2.1.0-final Publishing Relational database advanced query Language

Htsql an advanced query language and Web Services gateway for http://www.aliyun.com/zixun/aggregation/22.html "> Relational Databases" based on URIs. It encapsulates database access using the WEB service layer and converts HTTP requests to SQL commands and returns query results, in HTML or JSON format. It is equipped with open source database system, such as Mysql,postgresql,sqlite ...

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