不好意思!我再把問題描述一下。
文檔aa.txt內容為
"a1","b1","c1","d1"
"a2","b2","c2","d2"
"a3","b3","c3","d3"
"a4","b4","c4","d4"
...,...,..,...,...
資料表table1,其fields為:A,B,C,D,E,(B為主鍵索引),現需要比較table1里的 field B 的內容与aa.txt 的“c1”,如果相匹配,則將"d1"的內容插入到 table1 的 field D里。
TO:wuyongzhen,
你的這個方法是可以的,但是速度不是很快。能不能再給個插入速度比較快的方法?!