Comparison of common database systems with DB2 Databases

Source: Internet
Author: User

The db2 tutorial is: Compare DB2 databases with common database systems.
DB2 is a product of IBM, originated from System R and System R *. He supports from PC to UNIX, from minicomputers to mainframes, from IBM to non-IBM (HP and
Various operating platforms. It can run independently on the host in Master/Slave Mode or in the client/server environment. Services
The platform can be OS/400, AIX, OS/2, HP-UNIX, SUN-Solaris and other operating systems, the client platform can be OS/2 or Windows, Dos, AIX, HP-
UX, SUN Solaris, and other operating systems.

Database Server

The core of the DB2 database is also known as the DB2 public server. It adopts a multi-process, multi-clue architecture and runs on multiple operating systems.
The platform environment has been adjusted and optimized to achieve better performance.

DB2 core database features:

(1) Support for Object-Oriented Programming

DB2 supports complex data structures, such as unstructured text objects, which can be searched by Boolean match, closest match, and arbitrary match.
You can create user data types and user-defined functions.

(2) Support for Multimedia Applications

DB2 supports large binary objects (BLOB) and allows access to large binary objects and text objects in the database. Binary large objects can be used to store multiple
Media object.

(3) backup and recovery capabilities

(4) supports stored procedures and triggers. You can define complex integrity rules displayed during table creation.

(5) supported silicon SQL queries

(6) support access to Heterogeneous Distributed Databases

(7) Data Replication

Development Tools

IBM provides many development tools, including Visualizer Query, VisualAge, and VisualGen.

Visualizer is an integrated tool software in the customer/server environment. It mainly includes the Visualizer Query Visual Query Tool and Visualizer
Ultimedia Query visual multimedia Query tool, Visualizer chart visual icon tool, Visualizer procedure visual process tool,
Visualizer statistics visual statistics Tool, Visualizer Plans visual planning tool, Visualizer Development Visual Development Engineer
.

VisualAge is a highly functional and visualized object-oriented application development tool that can greatly improve the efficiency of software development. Its main features include:

(1) visual programming tools.

(2) Component Library. This includes prefabricated components that support graphical user interfaces and common components that include database queries, transactions, and local and remote functions.

(3) relational database support.

(4) group program design.

(5) supports enhanced dynamic connection libraries.

(6) supports multimedia.

(7) data sharing is supported.

VisualGen is an important part of IBM's efficient development solutions. It integrates the fourth-generation language, customer/Server, and object-oriented technology
Provides a complete and efficient development environment.


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