Book Table sp_help sp_help borrow table sp_help readers table the SELECT * from readers watch the SELECT * from Lending table the SELECT * from books table delete books table where books number = ' P913.2 / 530 ' Update Book table set unit price = 40 , = Press ' electronic industry Press ' WHERE book number = ' TP316 / ZW6 ' INSERT borrow table values ( ' 081 688 ' , ' TP311.13 / CM3 ' , getdate (), null ) INSERT borrow table values ( ' 081 688 ' , ' TP311.132 / ZG1 ' , getdate (), null ) INSERT borrow table values ( ' 081 690 ' , ' TP311.132 / ZG1 ' , getdate (), null ) INSERT borrow table values ( ' 081 690 ' , ' TP913.2 / 530 ' , getdate (), null ) Update book table set Press = ' Electronics industry Press ' the WHERE author = ' seedlings Shenandoah ' INSERT borrow table values(' 081 688 ' , ' TP311.13 / CM3 ' , getdate (), null ) drop the Table # TMP2, # tmp3 Update readers table set name = ' Ping ' , office phone = ' 68,321,789 ' the WHERE name = ' Wang Ping ' INSERT books table values ( ' TP913.2 / 531 ' , ' the Java foundation ' , ' king of solidarity ' , ' Science Press ' , 100 ) Update Course, the SET COURSE_NAME = 'The high number of ' where Course_No='20191' select * from student select * from SelectCourse select * from Course select * from Student update Course set Course_Credits=4 where Course_No='20181'or Course_No='20182' select * from view_course_credits go select * from view_Studentinfo go sp_help view_Studentinfo sp_helptext view_Studentinfo sp_depends view_Studentinfo sp_helptext view_ drop view view_Avg select * from view_Is_Student_b select * from view_Is_Student_Birth select * from view_Avg sp_helptext selectcourse