One, the distinction of the concept
Some people confuse object-oriented database design (i.e. database schema) with object-oriented database management system (OODBMS) theory. In fact, the former is a database user-defined database mode of thinking,
This article describes in detail how to use the connection object to connect to a database.
For the different. NET data provider, ADO. NET uses different connection objects to connect to the database. These connection objects mask the specific
In this paper, many netizens on the object database system and relational database system of confusion between the detailed analysis.
Object-oriented database system
Object oriented data base system, referred to as Oodbs, is a product of the
DBA30 asked what are the functions of the system DB, and how to restore the database due to damage (mainly the master database)
Master Database
Record SQLAll system-level information of the Server system. This includes metadata of the instance
read a lot of explanations on the Internet version, feel this write the best.
differences between functions and stored procedures in a database
There is no difference in nature. Just a function like this: You can only return a variable's limit.
Object-oriented directory
I. Problems with traditional development methods
Ii. Basic object-oriented concepts
3. Object-oriented features
Iv. Object-oriented Elements
V. object-oriented model
Vi. Object-Oriented Analysis
VII. Object-oriented Design
8
Because server A cannot see the witness server W or the original mirror partner server B, you must enter the disconnected state and make the database unavailable.
Server B and Server w can compose quorum. Server B cannot see server A, so Server B
Object-oriented(Object Oriented, OO) is currently the focus of the computer industry, it is the mainstream software development methods in 1990s. Object-oriented concepts and applications have gone beyond programming and software development and
Oracle is a database management system, which is a relational database management system. Usually we call the "database", contains the physical data, database management system, memory, operating system of the composition of the process, refers to
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