Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

datagirdviewºÍlistview,ɾ¸Ä²ésqlserverÊý¾Ý¿âµÄС½á

        //´´½¨DBhelperÊý¾Ý¿âÁ´½ÓÎļþ
        private static string sqlcon = "server=.;database=myschool;uid=sa;pwd=sa";
        public static SqlConnection connection = new SqlConnection(sqlcon);
============================================================
            //Ê×ÏÈÊÇlv¿Ø¼þµÄÁбíÏÔʾ ,(listview)
            // Çå¿Õµ±Ç°lv±íÖÐÄÚÈÝ
            listview.Items.Clear();
            string sql = "select * from question";
            //ÒýÓÃDBhelperÖеÄÊý¾Ý¿âÁ´½Ó
            SqlCommand command = new SqlCommand(sql,DBhelper.connection);
            //´ò¿ªÊý¾Ý¿â,²¢ÓÃdr¶ÁÈ¡¼Ç¼
            DBhelper.connection.Open();
            SqlDataReader dr = command.ExecuteReader();
            while (dr.Read())
            {
                ListViewItem lvi = new ListViewItem(dr["Question"].ToString());
                lvi.SubItems.AddRange(new string[] { dr["Answer"].ToString(), dr["Difficulty"].ToString(), dr["SubjectId"].ToString(), dr["OptionA"].ToString(), dr["OptionB"].ToString(), dr["OptionC"].ToString(), dr["OptionD"].ToString() });
             


Ïà¹ØÎĵµ£º

SQLServer ά»¤Ë÷ÒýʵÏÖ²éѯÓÅ»¯

Ë÷Òý·ÖΪÁ½´óÀà:¾Û¼¯Ë÷ÒýºÍ·Ç¾Û¼¯Ë÷Òý
Ò»¡¢¾Û¼¯Ë÷Òý
µ±Êý¾Ý±íÖеÄÒ»Áб»È·¶¨ÎªÖ÷¼üºó,SQLServer»á×Ô¶¯ÎªËü½¨Á¢¾Û¼¯Ë÷Òý,ÒòΪ¾Û¼¯Ë÷ÒýÊDZêʶÿ¸ö¼Ç¼Ðеļü,ËùÒÔËü½«±»Ó¦Óõ½Ã¿¸ö²éѯÖÐ.
¶þ¡¢·Ç¾Û¼¯Ë÷Òý
·Ç¾Û¼¯Ë÷ÒýµÄÇé¿ö¾Í±È½Ï¸´ÔÓÁË,ÒòΪËüÊÇÏà¶ÔÓÚ±í¶ÀÁ¢×éÖ¯µÄ,ÔÚSQLServerÖÐÓе¥¶ÀµÄ½á¹¹À´´æ´¢·Ç¾Û¼¯Ë÷Òý.
 
......

SQLServerºÍOracleµÄ³£Óú¯Êý¶Ô±È

1.¾ø¶ÔÖµ 
S:select abs(-1) value
O:select abs(-1)  value from dual
2.È¡Õû(´ó) 
S:select ceiling(-1.001) value  
O:select ceil(-1.001)  value from dual
3.È¡Õû£¨Ð¡£© 
S:select floor(-1.001) value  
O:select floor(-1.001)  value from dual
4.È ......

SQLServer DBA³£見問題

In the latest installment of the SQL Server interview questions, we will outline questions suitable for a DBA interview to assess the candidates skills related to SQL Server system databases. In this tip, the questions are there to read, but the answers are intentionally hidden to really test your s ......

SQLServerºÍOracleµÄ³£Óú¯Êý¶Ô±È

SQLServerºÍOracleµÄ³£Óú¯Êý¶Ô±È
 
1.¾ø¶ÔÖµ
S:select abs(-1) value
O:select abs(-1) value from dual
 
2.È¡Õû(´ó)
S:select ceiling(-1.001) value
O:select ceil(-1.001) value from dual
 
3.È¡Õû£¨Ð¡£©
S:select floor(-1.001) value
O:select floor(-1.001) value from dual ......

sqlserver·ÖÒ³(¶þ)sqlserver2005ǧÍò¼¶·ÖÒ³²éѯ

ÔÚsqlserver2005ÏÂʹÓÃÏÂÃæÓï¾ä
WITH t AS (
                    SELECT ROW_NUMBER() OVER(ORDER BY id DESC) as row_number, id,ss
            &nb ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ