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vc²Ù×÷mysql³ö´í! - VC/MFC / ÍøÂç±à³Ì

Ϊʲô»á´íÎó?? »¹ÓÐlike '%ÕâÀïÈçºÎÌæ»»%' ? 
MYSQL_RES *res;
MYSQL_ROW row;
CString str;
CString str1;
char sql[255];
memset(sql,0,sizeof(sql));
((CComboBox*)GetDlgItem(IDC_Com_category))->GetWindowText(str1); //ÕâÀï»ñÈ¡CComboBoxÑ¡ÔñµÄÖµ
sprintf(sql,"select id,name from `category` where name like '%'%s'%' and parent_id=0 order by order_list desc",str1);
mysql_query(&mysql,sql);
if (!(res=mysql_use_result(&mysql)))
{
MessageBox("¶ÁÈ¡Êý¾Ý¿â¼¯Ê§°Ü");

}
int i = 0;
while (row = mysql_fetch_row(res))
{
str.Format("%s",row[0]);

MessageBox(str);
}

mysql_free_result(res);


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java.sql.SQLException: Before start of result set
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:910)
at com.mysql.jdbc.ResultSet.checkRowPos(ResultSet.java: ......

mysqlÎÊÌ⣡ - Java / Java SE

String sqlCount="select count(*) from usertable where username='"+
userName+"'";Õâ¾ä»° ʲôÒâ˼°¡£¡
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select count(*) from usertable where username='ÄãµÄ±äÁ¿ ......

MYSQLµ÷¶ÈµÄÎÊÌâ - MS-SQL Server / ÒÉÄÑÎÊÌâ


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MYSQL·þÎñÆ÷ÀïÓÐÒ»Ìõ¼Ç¼£¬ IDΪ10.
ÏÖÔÚ2̨TOMCATͬʱ£¨100%£©·¢ÆðÐÞ¸ÄMYSQLÀïIDΪ10µÄÄÇÌõ¼Ç¼£¬±ÈÈçÐ޸ĴËID¼Ç¼ÀïijһÏîµÄÄÚÈÝ¡£ ±ÈÈçTOMCAT 1Ò ......

mysql´æ´¢Í¼Æ¬µÄÎÊÌâ - .NET¼¼Êõ / C#

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  DateTime dt = (DateTime)para[0];
  string plateNo = (string)para[1];
  byte[] photo = (byte[])para[2];
  ......
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