sqliteÀÏÊDZ¨´íno such column
SELECT qsmallClass.Sname, qproducts.pmodel, qproducts.punit, qmaintain.mcount from qsmallClass INNER JOIN (qproducts INNER JOIN qmaintain ON qproducts.pid = qmaintain.pid) ON qsmallClass.Sid = qproducts.Sid
±¨´í no such column: qproducts.pmodel
ÇëÎÊÕâÊÇÔõô»ØÊÂ,ÒªÈçºÎ½â¾ö?
qproducts.±íÖÐÓÐÕâÒ»ÁÐpmodelÂð£¿
.schema qproducts
¿´Ò»ÏÂÄãµÄ±í½á¹¹¡£
qproducts.pmodel£ºÁдæÔÚÂð
ÕâÒ»Áп϶¨´æÔÚ
ÕâÈý¸ö±íµÄ½á¹¹ÈçÏÂ:
create table qmaintain(mid integer primary key,mvid,pid,mcount);
create table qsmallclass(sid integer primary key,sname,bid);
create table qproducts(pid integer primary key,sid,pmodel,pbrand,punit,pmoney,pcount,pmaintains,preturns,pdesc);
¶àл¥ÉÏ,ÎÊÌâ½â¾ö
Ïà¹ØÎÊ´ð£º
´ó¼ÒºÃ£¡
sqlite×Ö¶ÎΪfloatÐ͵ÄÖµÔõÑù·ÃÎÊ£¿
ÊÔ¹ýÓÃsqlite3_column_double£¬È··µ»ØµÄÊý¾Ý²»ÕýÈ·£»
ûÓùý,°ï¶¥.
Ò»Ñù°¡£¬·µ»ØÈ«ÊÇ string
ÄãµÄ´úÂëÊÇʲô£¿
double sqlite3_column_double(sqli ......
ÎÒÖªµÀ´ó¼Ò¶¼ËµÊÇ64λϵͳϲ»ÄÜÓÃ32λµÄsyste.sqlite.dll¡£Õâ¸öÎÒÒѾ»»ÁË
VS2008ÖÐÔËÐж¼Ã»ÎÊÌ⣨ͬһϵͳÏ£©
Ò»·Åµ½IISÖоͱ¨´í£º
δÄܼÓÔØÎļþ»ò³ÌÐò¼¯¡°System.Data.SQLite¡±»òËüµÄijһ¸öÒÀÀµÏî¡£ÊÔͼ¼ÓÔØ¸ ......
¿ª·¢ÓïÑÔ£ºevc
Êý¾Ý¿â£ºSQLite
˵Ã÷£ºÓÐÁ½¸ö½çÃæ
½çÃæÒ»¸öÊÇÓÃÀ´½¨Á¢Êý¾Ý¿â£¬²¢ÇÒ½øÐÐÊý¾Ý¹ÜÀí¹¦ÄÜ£¬°üÀ¨ctrlist¿Ø¼þÏÔʾÊý¾Ý¿âÄÚÈÝ£¬Ôö¼Ó£¬É¾³ý£¬Ð޸ĵȹ¦ÄÜ£»
½çÃæ¶þ£¬Êǵ÷ÓÃÊý¾Ý¿â£¬½øÐвéѯ£¬ÏÔʾ½á ......
ÒªÔÚlinuxÉÏʹÓÃsqliteÊDz»ÊÇÒªÏȱàÒë°²×°£¿Ôõô°²×°£¿
c#+sqlite+linuxµÄÏà¹ØÓ¦ÓÃÓÐûÓÐһЩÏà¹Ø×ÊÁÏ£¿
linux ÉÏÄÜÔËÐУ㣡¡?
Äã¿ÉÒÔÏÂÔØ±àÒëºÃµÄ£¬Ò²¿ÉÒÔÏÂÔØÔ´´úÂëÔÙ×Ô¼º±àÒë
http://www.sqlite.org/downl ......
¸Õѧsqlite£¬´´½¨Á˸ö±í£¬Í˳ösqliteÓÖÖØÐ´ò¿ªºó£¬²éѯ˵ûÓÐÕâ¸ö±í¡£ÔõôÑù²ÅÄܱ£´æÕâ¸ö±íÄØ£¬windowsÏÂ
Ö±½ÓÔËÐÐsqlite3.exe,È»ºó¾Í¾ÍÖ±½Ócreate table TestÁË
Í˳ösqlite3.exe ÖØÐ´ò¿ª£¬select¾ÍÌáʾûÓÐÕâ ......