Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

c#Æô¶¯Sql Server·þÎñ

³ÌÐòÆô¶¯Sql ServerÆäʵºÜ¼òµ¥
´úÂ룺
System.ServiceProcess.ServiceController   myController   =
new   System.ServiceProcess.ServiceController("MSSQL$ACCP4444"); //·þÎñÃû³Æ ÕÒÁ˰ëÌì²ÅÕÒµ½£¬±¿ËÀÎÒÍêÁË¡£ÔÚ·þÎñÉÏÓÒ¼üÊôÐÔ£¬ÄÜ¿´µ½
if (myController.CanStop)
{ }
else
{
   myController.Start();
}
//×¢ ÐèÒªÒýÓà System.ServiceProcess ÔÚÏîÄ¿->Ìí¼ÓÒýÓÃ->ÄÜÕÒµ½Õâ¸öÒýÓá£


Ïà¹ØÎĵµ£º

SQLÖÐONºÍWHEREÌõ¼þµÄÇø±ð

Êý¾Ý¿âÔÚͨ¹ýÁ¬½ÓÁ½ÕÅ»ò¶àÕűíÀ´·µ»Ø¼Ç¼ʱ£¬¶¼»áÉú³ÉÒ»ÕÅÖмäµÄÁÙʱ±í£¬È»ºóÔÙ½«ÕâÕÅÁÙʱ±í·µ»Ø¸øÓû§¡£
ÔÚʹÓÃleft jionʱ£¬onºÍwhereÌõ¼þµÄÇø±ðÈçÏ£º
1¡¢onÌõ¼þÊÇÔÚÉú³ÉÁÙʱ±íʱʹÓõÄÌõ¼þ£¬Ëü²»¹ÜonÖеÄÌõ¼þÊÇ·ñÎªÕæ£¬¶¼»á·µ»Ø×ó±ß±íÖеļǼ¡£
2¡¢whereÌõ¼þÊÇÔÚÁÙʱ±íÉú³ÉºÃºó£¬ÔÙ¶ÔÁÙʱ±í½øÐйýÂ˵ÄÌõ¼þ¡£ÕâʱÒÑ ......

ÓÃsql²é¿´±í½á¹¹


1.oracle
 sql   = "SELECT column_name, data_type, data_length, nullable";
 sql += " from user_tab_columns ";
 sql += " where table_name='";
 sql += $tableName;
 sql += "'";
 select * from user_tab_comments & ......

C#²Ù×÷¸÷ÖÖÖ´ÐÐsqlµÄ·½·¨º¬´æ´¢¹ý³Ì²Ù×÷

using System;
using System.Collections.Generic;
using System.Text;
using System.Data.SqlClient;
using System.Xml;
using System.Data;
namespace MyDbTest
{
class Program
{
static void Main(string[] args)
{
SqlConnection thisConnection = new SqlConnection(
@ ......

MS SQL SERVER º£Á¿Êý¾ÝµÄ²éѯÓÅ»¯¼°·ÖÒ³Ëã·¨


̽ÌÖÈçºÎÔÚÓÐ×Å1000ÍòÌõÊý¾ÝµÄMS SQL SERVERÊý¾Ý¿âÖÐʵÏÖ¿ìËÙµÄÊý¾ÝÌáÈ¡ºÍÊý¾Ý·ÖÒ³¡£ÒÔÏ´úÂë˵Ã÷ÁËÎÒÃÇʵÀýÖÐÊý¾Ý¿âµÄ“ºìÍ·Îļþ”Ò»±íµÄ²¿·ÖÊý¾Ý½á¹¹£º
CREATE TABLE [dbo].[TGongwen] (    --TGongwenÊǺìÍ·Îļþ±íÃû
   [Gid] [int]&nb ......

oracle10g SQL ¸ú×Ù

1.¼¤»îSQL¸ú×Ù
   ´Óoracle10gÒÔºóÌṩÁËÐµķ½·¨¼¤»îSQLµÄ¸ú×Ù£¬¼´ÊÇʹÓÃdbms_monitor°üÀ´¿ªÆô»ò¹Ø±ÕSQL¸ú×Ù¡£
   ֮ǰ¾É·½·¨ÊÇʹÓà alter session set events ..  »òÕßʹÓÃdbms_system.set_ev·½Ê½
   ʹÓÃdbms_monitor°ü¿ÉÒÔÔڻỰ£¬¿Í»§¶Ë£¬×é¼þÒÔ¼°Êý¾Ý¿âËĸö²ã¼¶¿ªÆôSQLµÄ¸ú×Ù¡ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ