學校插入值
+-----+-----------+----------+
| id | the_photo | column3 |
+-----+-----------+----------+
| 11 | NULL | abc |
| 22 | NULL | asf |
| 33 | NULL | asag |
+-----+-----------+----------+
school_images
+-----+-----------+-------+
| id | school_id | photo |
+-----+-----------+-------+
| 1 | 11 | 1 |
| 2 | 22 | 0 |
| 3 | 33 | 1 |
+-----+-----------+-------+
...
需要插入值到只有在學校的the_photo列照片值= 1這樣的學校圖片:
學校
+-----+-----------+
| id | the_photo |
+-----+-----------+
| 11 | 1 |
| 22 | NULL |
| 33 | 3 |
+-----+-----------+
是否有可寫的所有行做一個簡單的查詢?對於一行,我知道如何插入它,但我怎麼能自動惰性多行。
插入或更新另一個表中的值? – gvgvgvijayan 2014-10-27 12:56:06
你爲什麼需要這樣做? – Strawberry 2014-10-27 12:56:51
@gvgvgvijayan - 在學校插入價值 – NoviceMe 2014-10-27 12:59:47