1. SQL Server Relational Database Introduction
1．SQL Server is the development and promotion of Microsoft's relational database system (DBMS), it was originally proposed by Microsoft, Sybase and Ashton-Tate three companies jointly developed and launched in 1988, the first OS / 2 version.
2．Relational database (RDBMS) Management System features:
The maintenance of the relationship between the database data;
Guarantee the correctness of data storage;
When system failures occur when all the data back to the line to ensure a consistent state
3．RDBMS: SQL Server, Oracle, DB / 2, Sybase, Informix
4．Non-RDBMS (File-based): Foxpro, Access


1．SQL Server關(guān)系數(shù)據(jù)庫簡介
1．SQL Server是由Microsoft開發(fā)和推廣的關(guān)系數(shù)據(jù)庫系統(tǒng)（DBMS)，它最初是由Microsoft、Sybase和Ashton-Tate三家公司共同開發(fā)的，并于1988年推出了第一個OS/2版本。
2．關(guān)系數(shù)據(jù)庫（RDBMS)管理系統(tǒng)功能：
維護數(shù)據(jù)庫數(shù)據(jù)之間的關(guān)系；
保證數(shù)據(jù)存儲的正確性；
當(dāng)出現(xiàn)系統(tǒng)故障的時候，將所有數(shù)據(jù)恢復(fù)到能夠保證一致行的某種狀態(tài)
3．RDBMS：SQL Server，Oracle，DB/2,Sybase，Informix
4．Non-RDBMS(File-based）：Foxpro，Access