Linux就该这样学 第2版 配套PPT（linux就该这么学第2版pdf）



Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,11/7/2009,#,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Silberschatz,Korth and Sudarshan,3.,4,单击此处编辑母版标题样式,Database System Concepts,5,th,Edition,Oct 5,2006,3 SQL,3-8,a.,S,elect count(*)from license a,W,here exists(select 1 from owns b,person c where a.car=b.license and b.driver_id=c.drive_id and c.name=John Smith),b,.,U,pdate license set damage_amount=3000 where report_number=AR2197 and car=AABB2000,3-11,select A from R,select*from R where B=17,select*from R,S,select A,F from R,S where C=D,3-12,select*from r1,union,select*from r2,select*from r1,intersect,select*from r2,select*from r1,minus,select*from r2,3-14,create view man_emp_avg_salary(manager_name,avg_salary)as,select a.manager_name,avg(b.salary)from works a,manages b,where a.empolyee_name=b.empolyee_name and b.empolyee_nameb.manager_name,group by a.mamager_name,where not exists(select 1 from books c where c.,name=John Smith),branch_name=Rock_Ridge,create view customer_Rock_Ridge(customer_name,avg_balance)as,select A,F from R,S where C=D,salary)from works a,manages b,select*from r2,student_id=b.,name=John Smith),select*from r2,student_id=b.,having sum(balance)(select avg(summary)from(select branch_name,sum(balance)summary from account group by branch_name),customer_name and a.,not exists(select 1 from borrower c where a.,customer_name=c.,select A from R,3-15,select branch_name from,(select branch_name,sum(balance)summary from account group by branch_name)a,where a.summary(select avg(summary)from(select branch_name,sum(balance)summary from account group by branch_name),select branch_name from account group by branch_name,having sum(balance)(select avg(summary)from(select branch_name,sum(balance)summary from account group by branch_name),driver_id=c.,empno and b.,student_id=b.,not exists(select 1 from borrower c where a.,not exists(select 1 from borrower c where a.,empno and b.,where exists(select 1 from loan b,books c where a.,customer_name=b.,manager_name,student_id=b.,student_id=b.,select student_id,student_name,(count(course_id),create view man_emp_avg_salary(manager_name,avg_salary)as,Update license set damage_amount=3000 where report_number=AR2197 and car=AABB2000,customer_name and a.,3-19,create view account_Deer_Park(account_number,customer_name)as,select account_number,customer_name from account a,customer b,depositor c,where a.account_number=d.account_number and c.customer_name=b.customer_name and a.branch_name=Deer Park,create view customer_no_loan(customer_name,customer_street,customer_city)as,select customer_name,customer_street,customer_city from customer a,where exists(select 1 from depositor b where a.customer_name=b.customer_name)and,not exists(select 1 from borrower c where a.customer_name=c.customer_name),3-19,create view customer_Rock_Ridge(customer_name,avg_balance)as,select c.customer_name,avg(a.balance)from account a,depositor b,customer c where a.account_number=b.account_number and b.customer_name=c.customer_name group by c.customer_name,where a.branch_name=Rock_Ridge,3-21,select name from employee a,where exists(select 1 from loan b,books c where a.empno=b.empno and b.isbn=c.isbn and c.publisher=McGraw-Hill),select name from employee a,where not exists(select 1 from books c where c.publisher=McGraw-Hill and not exists(select 1 from loan b where a.empno=b.empno and b.isbn=c.isbn),select x.name,y.publisher from employee x,(select empno,publisher from books b,loan c where and b.isbn=c.isbn group by empno,publisher having count(*)5)y where x.empno=y.empno,3-22,select student_id,student_name,nvl(count(course_id),0),from student a left outer join registered b on a.student_id=b.student_id,group by student_id,student_name,select student_id,student_name,(count(course_id),from student a,registered b where a.student_id=b.student_id,group by student_id,student_name,union all,select student_id,student_name,0,from student a where not exists(select 1 from registered b where a.student_id=b.student_id),3-23,select student_id,dense_rank()over(order by score desc)from marks,

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