Two ways to SQL row to column

Source: Internet
Author: User

If object_id (' TB ') is not null drop table TB
Go
CREATE table TB (name varchar (10), course varchar (10), fractional int)
INSERT into TB values (' Zhang San ', ' language ', 74)
INSERT into TB values (' Zhang San ', ' math ', 83)
INSERT into TB values (' Zhang San ', ' physical ', 93)
INSERT into TB values (' John Doe ', ' language ', 74)
INSERT into TB values (' John Doe ', ' math ', 84)
INSERT into TB values (' John Doe ', ' physical ', 94)
Go
SELECT * FROM TB

--Using case (SQL2000 or more)
Select Name,
Max (case course when ' language ' then score else 0 end) language,
Max (case course when ' math ' then fraction else 0 end) Math,
Max (case course when ' physical ' then fraction else 0 end) physical
From TB
Group BY name

--Using Pivot
SELECT * FROM TB pivot (MAX (score) for course in (language, mathematics, physics)) a

Two ways to SQL row to column

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