100޸ķ[ԭ|hdӛ]
Ҷ֪DBCĹﾭֻ65535Ĭ)
ʵҿԼ޸ĹﾭҲ˵50,100.
Ե˶֪65535ʲô(216η)ǺǼ򵥵˵
EXP16λġҿӦô˰ɡ,Ǹλ
԰ĳ32λ
232ηǶ١˽˲һ֪ô,
ҰѸĵķ˵һ,˵˱.
1.ȻǴDBC2000PROˡ
2.ѡmonster.db
3.һֵľ.( ҲǹEXP)
4.Ĳ˵еUtilities.ѡAdd/Delete Columnsleft
5.ʱһ.ܼ򵥾ͼŤ,NAMEѡEXP,ٵ
DeleteٵYES
6.ԭѾɾˡ(ȻΪ˱,ȱһԭļ)
7.ɾǾͿٽһµExpĿ.
8.ظ4,ǾҪˡNAMEExp,TYPE
ѡINTEGER,ںLENGTH32ٵADD
9.¼ӵExpܵDBȥ
ϵԭλá
10˺ǺǾİɲٸĳˡ 