List Of Database Objects

After more than eight years of practice, from Taobao's collection business to today to support all of Alipay's core business, and in the annual "Double Eleven Singles Day" continue to create a world record for the transaction database peak processing capacity.

1, introduction of cloud computing using virtualization technology, users do not need to understand its specific operating mechanism, but simply through the network to connect to the cloud computing services to obtain their own services needed to achieve a greater degree of network resource sharing. Peng, a Chinese grid computing and cloud computing expert, defines cloud computing as follows: "Cloud computing tasks are distributed across a pool of computer-intensive resources, enabling applications to gain computing power, storage space and various software services as needed." Cloud computing is the further development of distributed computing, parallel processing and grid computing, which is based on the Internet.

No database system can avoid a crash situation, even if you use a clustered, two-machine hot standby ... It is still not possible to completely eradicate the single point of failure in the system, and for most users, this expensive hardware investment cannot be sustained. So, when the system crashes, how to restore the original valuable data becomes an extremely important problem. In the recovery, the ideal situation is that your data files and log files are intact, so that only need to sp_attach_db, the data file attached to the new database, or in the downtime of the ...

Comparison of 8 kinds of NoSQL database system: Kristóf Kovács Editor: Agile translation: Tang Yuhua share: More: Kristóf Kovács is a software architect and consultant who recently published an article comparing various types of NoSQL databases. The article is compiled by Agile translation-Tang Yuhua. If you want to reprint, please refer to the text after the declaration. Although SQL database is very useful ...

Naresh Kumar, a software engineer and enthusiastic blogger, has great interest in programming and new things, and is happy to share technical research results with other developers and programmers. 　　Recently, Naresh wrote about 12 well-known free, open source NoSQL databases, and analyzed the characteristics of these databases. Now that the NoSQL database is becoming more and more popular, I'm here to summarize some of the great, free and open source NoSQL databases. In these databases, MongoDB the top, with considerable ...

SQLObject 1.1.0 release, SQLObject is a popular Python database object mapping framework, the mapping rule is table-> class, Field-> properties. The Object Relational Mapping tool helps increase productivity by providing classes and objects to manipulate database tables. Python's Best object-relational mapping tool is sqlobject--an open source project that almost completes all the operations required by the programming database. This article introduces SQLObject and its functions. After reading this article ...

Cloud computing: Redefining IT over the past year, cloud computing exploded, including a variety of applications-such as Salesforce CRM and Google apps-and services-such as hosting Amazon elastic Compute Cloud (Amaz On EC2) ibm®db2®, Google ...

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall Openbiz Architecture openbiz Framework is designed to enable the design, development and maintenance of networks should Use the procedure to change quickly and conveniently. The main innovation of openbiz architecture is its metadata based design. This means that the Openbiz object is created based on the description in the metadata file ...

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 ...

Here is a translation of the Redis Official document "A fifteen minute introduction to Redis data Types", as the title says, The purpose of this article is to allow a beginner to have an understanding of the Redis data structure through 15 minutes of simple learning. Redis is a kind of "key/value" type data distributed NoSQL database system, characterized by high-performance, persistent storage, to adapt to high concurrent application scenarios. It started late, developed rapidly, has been many ...