Update Database Schema

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 ...

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.

Oracle Virtual http://www.aliyun.com/zixun/aggregation/33969.html >private Database 　　Hereinafter referred to as VPD) is a security feature provided in Oracle database products that guarantees the multi-tenant nature of Oracle databases while helping users with database consolidation. Oracle VPD can target database tables and views, ...

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 ...

Dzo is a database object that processes the source code of the application in the same way, and can develop, revise http://www.aliyun.com/zixun/aggregation/9591.html "> Version control and deploy the application. Dzo uses a text file to create local statements for all database objects and compares them to the actual database schema. Dzo can create SQL statements that need to update the database schema (or you can let Dzo execute SQL statements directly). If in ...

Metamodel a model for creating a compatible SQL database domain. A meta model is a model that contains classes that represent a database (schema, table, column, relationship) and run the Database (query) interactive structure in the same way as sql/linq. In short, it is a http://www.aliyun.com/zixun/aggregation/14208.html "> Data Model" in databases and other data stores. The meta model can query different data stores in the database, CSV ...

Orient DB is a scalable document database that supports ACID transaction processing. Implemented using Java 5. Orientdb is a deeply scalable document-graph DBMS with the flexibility of the Document databases and the power to manage links of T He Graph Databas ...

Whether your organization has just started using the cloud or has been in use for some time, you will see that IBM workload Deployer provides the functionality needed to successfully run an enterprise application in the cloud. Since its inception, IBM Workload Deployer (formerly known as IBM Websphere®cloudburst™appliance) has been the most advanced technology in the cloud computing domain for middleware and middleware applications. Latest IBM Workload Dep ...

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 ...

In the past few years, the innovative development of the open source world has elevated the productivity of Java™ developers to one level. Free tools, frameworks and solutions make up for once-scarce vacancies. The Apache CouchDB, which some people think is a WEB 2.0 database, is very promising. It's not difficult to master CouchDB, it's as simple as using a Web browser. This issue of Java open ...