数据库系统概论(第四版)_王珊_萨师煊_chp3-2教程.ppt
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;;An Introduction to Database System;;;An Introduction to Database System;An Introduction to Database System;An Introduction to Database System;An Introduction to Database System;An Introduction to Database System;An Introduction to Database System;An Introduction to Database System;An Introduction to Database System;An Introduction to Database System;An Introduction to Database System;;An Introduction to Database System;An Introduction to Database System;自身连接(续);SELECT FIRST.*, SECOND.*
FROM Course FIRST, Course SECOND;| FIRST表;| FIRST表;| FIRST表;| FIRST表;An Introduction to Database System;练习;练习;An Introduction to Database System;SELECT X.*,Y.*
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SC AS X, SC AS Y;;An Introduction to Database System;An Introduction to Database System;An Introduction to Database System;An Introduction to Database System;;;An Introduction to Database System;An Introduction to Database System;An Introduction to Database System;练习;*;练习;*;练习;*;练习;*;学 号;学 号;;;;;;;;;;实验课三;;;;;;;;;;;;;;3.4 数据查询 ;嵌套查询(续);嵌套查询(续);嵌套查询(续);嵌套查询求解方法;3.4.3 嵌套查询;一、带有IN谓词的子查询;带有IN谓词的子查询(续);带有IN谓词的子查询(续);带有IN谓词的子查询(续);带有IN谓词的子查询(续);带有IN谓词的子查询(续);带有IN谓词的子查询(续);带有IN谓词的子查询(续);3.4.3 嵌套查询;二、带有比较运算符的子查询;带有比较运算符的子查询(续);带有比较运算符的子查询(续);嵌套查询求解方法(续);带有比较运算符的子查询(续);带有比较运算符的子查询(续);带有比较运算符的子查询(续);3.4.3 嵌套查询;三、带有ANY(SOME)或ALL谓词的子查询 ;带有ANY(SOME)或ALL谓词的子查询 (续);带有ANY(SOME)或ALL谓词的子查询 (续);带有ANY(SOME)或ALL谓词的子查询 (续);带有ANY(SOME)或ALL谓词的子查询 (续);带有ANY(SOME)或ALL谓词的子查询 (续);带有ANY(SOME)或ALL谓词的子查询 (续);带有ANY(SOME)或ALL谓词的子查询 (续);练习;;练习;;练习;;3.4.3 嵌套查询;带有EXISTS谓词的子查询(续);带有EXISTS谓词的子查询(续);带有EXISTS谓词的子查询(续);带有EXISTS谓词的子查询(续);带有EXISTS谓词的子查询(续);带有EXISTS谓词的子查询(续);使用存在量词EXISTS的子查询;带有EXISTS谓词的子查询(续);带有EXISTS谓词的子查询(续);带有EXISTS谓词的子查询(续);带有EXISTS谓词的子查询(续);带有EXISTS谓词的子查询(续)?;3.4 数据查询 ;3.4.4 集合查询;集合查询(续);集合查询(续);集合查询(续);集合查询(续);集合查询(续);集合查询(续);集合查询(续);集合查询(续);集合查询(续);3.4 数据查询 ;3.4.5 SELECT语句的一般格式
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