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Developer-C 11.1
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CREATE TABLE TABLE1 ( NAME varchar(40) NULL , FR10 varchar(40) NULL); INSERT INTO TABLE1 (NAME,FR10) VALUES ('a','y'), ('c','y'), ('e','n'), ('e','n'), ('a','n'), ('b','y'), ('c','y'); SELECT * FROM TABLE1;
NAME
FR10
a
y
c
y
e
n
e
n
a
n
b
y
c
y
SELECT NAME,SUM(CASE WHEN FR10='n' THEN 1 ELSE 0 END) AS '未結', SUM(CASE WHEN FR10='y' THEN 1 ELSE 0 END) AS '已結' FROM TABLE1 GROUP BY NAME ORDER BY NAME
NAME
未結
已結
a
1
1
b
0
1
c
0
2
e
2
0