R D B M S O R D B M S R D B M S / O R D B M S R D B M S O R D B M S 4 O R D B M S R D B M 3. ORACLE Server O R A C L E U N I X Windows NT w w

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1 1 1.1 D B M S To w e r C D I B M I M S Cullinet Software I D M S I M S C O D A S Y L 1971 I D M S containing hierarchy I M S I D M S I M S I B M I M S I D M S

2 R D B M S O R D B M S R D B M S / O R D B M S R D B M S O R D B M S 4 O R D B M S R D B M 3. ORACLE Server O R A C L E U N I X Windows NT w w w. o r a c l e. c o m DB2 Universal Database DB2 UDB U N I X Windows NT O S / 2 O S / 390 w w w. i b m. c o m / d b 2 Informix Dynamic Server 2000 I N F O R M I X U N I X Windows NT w w w. i n f o r m i x. c o m DB2 for OS/390 D B 2 I B M D B 2 O S / 390 w w w. i b m. c o m / d b a s t u d e n t s s i d l n a m e f n a m e c l a s s 1 4 t e l e p h o n e G PA s t u d e n t s J o n e s a c o u r s e s c n o c n a m e c r o o m t i m e t i m M W 2 e n r o l l m e n t s i d c n o

3 1 3 m a j o r a 1-1a 2 C J AVA n a m e n a m e. l n a m e n a m e. f n a m e n a m e A l l a n. J o n e s e n r o l l m e n t s t u d e n t s c n o m a j o r e n r o l l m e n t 1-1 b b 1-1 a 1-1 b s t u d e n t s n a m e : n a m e. l n a m e n a m e. f n a m e n a m e n a m e O R A C L E n a m e I N F O R M I X DB2 UDB( ANSI SQL-99 ) ( U D T

4 4 1-1b b s t u d e n t s e n r o l l m e n t 1(Allan Jones) J o n e s : 101 ( J o n e s m a j o r N o) 108 ( J o n e s m a j o r Y e s) e n r o l l m e n t S Q L - 99 s t u d e n t s e n r o l l m e n t 1-1 a e n r o l l m e n t 1-1 b e n r o l l m e n t 1.2 D B M S To w e r ( ) :

5 1 5 S Q L D B M S D B M S D B M S S Q L S Q L (ad hoc query) ad hoc S Q L S Q L S Q L S Q L S Q L D B M S D B AD B A D B A D B A 0 D B A D B A S Q L D B A D B A D B A D B M S D B A S Q L D B M S D B A D B M S 1.3

6 6 P C s t u d e n t s h o b b y c h e s s h i k i n g skeet shooting D B M S S Q L S Q L S Q L S Q L 2. 3 S Q L 3 S Q L S Q L Core SQL-99 S Q L S Q L a S Q L 1-1 a s t u d e n t s c l a s s a s t u d e n t s e n r o l l m e n t s t u d e n t s e n r o l l m e n t e n r o l l m e n c n o 101 s i d s i d s t u d e n t s 1-3 SQL F r e n c h 1 ( 101 ) (c l a s s = 2) e n r o l l m e n t : ;

7 1 7 sid lname 1-2 SQL 101 sid lname 1-3 SQL S Q L ( 1-4 ) S Q L S Q L U p d a t e I n s e r t D e l e t e S Q L ( S Q L ) SQL Update I n s e r t D e l e t e students (6, Green, John, 1, ) students courses SQL b 3 S Q L S Q L O R S Q L O R A C L E I N F O M I X DB2 UDB S Q L

8 S Q L S Q L - 99 O R S Q L h t t p :// w w w. c s. u m b. e d u / ~ p o n e i l / d b p p p. h t m l 1-1 b 3 S Q L 1-2 S Q L n a m e l n a m e n a m e. l n a m e O R S Q L 1-3 S Q L e n r o l l m e n t e n r o l l m e n t s t u d e n t s sid lname 1-5 ORSQL 1-5 S e l e c t e n r o l l m e n t c n o where 101 in 101 c n o T R U E S e l e c t s i d n a m e. l n a m e O R S Q L 1-6 students John Green enrollnmetnt ORSQL 4 U D F S Q L U D F S Q L ( ) S Q L

9 1 9 5 C J a v a D B M S S Q L S Q L S Q L Isaac Asimov ( r o b o t i c s ) S Q L A s i m % A s i m o v A s i m o ff S u b j e c t r o b o t i c r o b o t r o b o t s S Q L S Q L C J a v a S Q L 1-8 C exec sql S Q L C 1-8 ( ) S Q L S Q C S Q L S Q L D B M S

10 10 D B M S D B A D B A D B D B A D B A D B A E - R ( d a t a b a s e n o r m a l i z a t i o n ) 6 S t u d e n t s 1-1 a S t u d e n t s s t u d e n t s s i d l n a m e f n a m e c l a s s t e l e p h o n e C o u r s e s 1-1 a c o u r s e s c n o c n a m e c r o o m t i m e 1-1 a e n r o l l m e n t 1-9 e n r o l l s _ i n 1-9 E - R D B A (foreign key) 6 E - R

11 E-R 6. 7 : D B A D B A S Q L S Q L 7 (1) D B A c o u r s e s c o n e n r o l l m e n t s i d s t u d e n t s s a v i n g s _ a c c o u n t b a l a n c e $ S Q L S Q L c o u r s e s c n o S Q L c o u r s e s c n o D B A D B M S 1-10 O R A C L E S Q L students class 1 4 ORACLE SQL 1-10 ORACLE (2)

12 12 (data redundancy) D B A ( ) D B A D B M S S Q L D B A S Q L G r a n t G r a n t 1-11 S Q L poneil students select update insert delete (3) 1-11 SQL Grant D B M S S Q L S e l e c t 1-12 S Q L S Q L S e l e c t DBA D B A

13 1 13 studentcourses (sid) (coo) 1-12 SQL S Q L S Q L s e l e c t ( U p d a t e I n s e r t D e l e t e ) 7. 8 D B A 8 R D B M S O R A C L E DB2 UDB I N F O R M I X 1 - a s t u d e n t s l n a m e l n a m e l n a m e S m i t h l n a m e S m i t 1-1 a s t u d e n t s ( c l u s t e r i n g ) ( ) B D B A S Q L

14 14 S Q L S Q L S Q L D B M S S Q L IBM OS/390 D B 2 D B 2 D B M S ( I B M D B 2 ) Sun Solaris O R A C L E Q P M $ C O S T $ C O S T Q P M : : S Q L S Q ( ) 10 (online transaction processing O LT P )) D B M S

15 ( ) (t w o - p h a s e l o c k i n g ) (database recovery) ( Transaction Processing Performance Council) O LT P T P C - A : 11 : ( M T T F ) 1.4

幻灯片 1

幻灯片 1 沈阳工业大学 2014 年 6 月第 7 章数据库技术基础主要内容 : 7.1 数据库概述数据库基本概念数据模型逻辑数据模型数据库系统的产生和发展常用的数据库管理系统 7.2 Access 2010 数据库创建及维护创建 Access 2010 数据库创建