数据库中 将一张纵表转换为一张横表
数据库纵表数据
sql语句如下
select cardid, max(case t.projectcode when 'IA-002' then t.result end) as ht, max(case t.projectcode when 'IA-003' then t.result end) as wt, max(case t.projectcode when 'IA-005' then t.result end) as bmi, max(case t.projectcode when 'IA-000' then t.result end) as xl, max(case t.projectcode when 'CG-005' then t.result end) as xybhd, max(case t.projectcode when 'CD-002' then t.result end) as kfxt, max(case t.projectcode when 'CD-003' then t.result end) as chxt, max(case t.projectcode when 'IA-014' then t.result end) as xy, max(case t.projectcode when 'JA-001' then t.result end) as xd,datetime from projectresultinfo t group by t.cardid order by datetime desc