POSTGRESQL交叉表的实现(二)

2015-01-25 19:54:31 · 作者: · 浏览: 83
-------+---------+---------+------ Simon | 90 | 76 | 79 Lucy | 100 | 90 | 85 Lily | 95 | 81 | 84 David | 100 | 86 | 89 (4 rows) Time: 2.127 ms