oracle行列转换
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在实际使用sql工作中总会碰到将某一列的值放到标题中显示.就是总说的行列转换或者互换.
比如有如下数据:
ID NAME KECHENG CHENGJI
-- ---------- -------------------- -------
1 a 语文 80
2 a 数学 70
3 b 语文 40
4 b 数学 100
5 c 语文 90
6 c 数学 92
那末我要求显示的结果是:
NAME YUWEN SHUXUE
---------- ---------------------- ----------------------
a 80 &n
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