我需要用這個PHP查詢:
INSERT INTO table1(id,picture) SELECT id, $var.picture from table2
其中$ var爲 「http://example.com/images/」。
例(前):
ID = 1
picture = 'flower.jpg'
例(後):
ID = 1
picture = 'http://example.com/images/flower.jpg'
我怎樣才能在SELECT $ var和圖片加入(逗號不工作)..
它會生成語法錯誤。所以我使用: INSERT INTO table1(id,picture)SELECT id,CONCAT('http://example.com/images/',picture)FROM table2 – user6618901