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line column, requirement, need the following format
CodePudding user response:
There are a great god? Trouble,,CodePudding user response:
Refer to theThe CREATE TABLE # t
(
Name a varchar (20),
Course varchar (20),
Score int
)
Insert into # t values (' zhang ', '11', '88')
Insert into # t values (' zhang ', '22', '99')
Insert into # t values (' zhang ', '33', '77')
Insert into # t values (' bill ', '11', '77')
Insert into # t values (' bill ', '22', '88')
Insert into # t values (' bill ', '33', '99')
Insert into # t values (' Cathy ', '11', '99')
Insert into # t values (' bill ', '22', '99')
Select name, course, scores from # t -- query round table data
-- -- -- -- -- - transfer line column
Declare @ SQL varchar (8000)
The set @ SQL='select name'
Select SQL + SQL=@ @ ', Max (case course when ' ' '+ + course' ' 'then score else 0 end) [' + + course'] '
The from (select distinct course from # t) as a
SQL=set @ @ + SQL 'from # t group by the name'
The exec (@ SQL)
Drop table # t