C#ÖÐÓÃÓÚÁ¬½ÓSQLÊý¾Ý¿âµÄSQLHelperÀà
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data;
using System.Data.SqlClient; //ÒýÓÃÃüÃû¿Õ¼ä
namespace DAL
{
/*******************************************************************************
* Name: SQLHelper
* File: SQLHelper.cs
* Description: ÓÃÓÚÍê³É¶ÔÊý¾Ý¿âµÄÏà¹Ø²Ù×÷
* Author: Ñ©ÀÇ
* DateTime: 2010Äê05ÔÂ13ÈÕ
*******************************************************************************/
public class SQLHelper
{
//ÉèÖÃÁ¬½Ó×Ö·û´® —— SQL ServerÑé֤ģʽµÄÁ¬½Ó×Ö·û´®
//public static string strConn = @"server = PANLING;database = StudentMIS;uid = sa;pwd = sa";
//ÉèÖÃÁ¬½Ó×Ö·û´® —— WindowsÑé֤ģʽµÄÁ¬½Ó×Ö·û´®
public static string strConn = @"server = T403-004\HB_SQLSERVER;database = DB_LibraryManage;Integrated Security = SSPI";
/// <summary>
/// ¹¦ÄÜÃèÊö£ºÖ´ÐÐADO.NETÔö¡¢É¾¡¢¸Ä²Ù×÷
/// </summary>
/// <param name="strText">ÊäÈë²ÎÊý —— ÒªÖ´ÐеÄSQLÓï¾ä(ÃüÁîÎı¾)</param>
/// <param name="cmdType">ÊäÈë²ÎÊý —— ÒªÖ´ÐеÄSQLÃüÁîÀàÐÍ</param>
/// <param name="SqlParams">ÊäÈë²ÎÊý —— ÒªÖ´ÐеÄSQLÓï¾äÖеIJÎÊýÁбí(ÃüÁî²ÎÊýÁбí)</param>
/// <returns>·µ»ØÖ´ÐÐÓ°ÏìµÄÐÐÊý</returns>
public static int MyExecu
Ïà¹ØÎĵµ£º
ÎÒÃdz£³£ÐèÒª¶ÁÈ¡xmlÎļþ£¬°ÑÀïÃæµÄÐÅϢת»¯ÎªÎÒÃÇ×Ô¶¨ÒåµÄÀàÐÍ£¬»òÔò°É×Ô¶¨ÒåÀàÐÍת»¯ÎªXml×Ö·û´®¡£ÔÚÕâÀï½éÉÜÒ»¸ö±È½Ï¼òµ¥µÄ¶ÔÏóת»¯·½·¨¡£ÔÚÎÒ×Ô¼ºµÄFramworkÀïÃæÒ²¶à´ÎÓõ½¡£ÀïÃæÉæ¼°µ½½Úµã¡¢ÊôÐÔ¡¢¼¯ºÏ¡£
ʾÀýÒ» ¸ÃxmlÎļþÉæ¼°µ½ÊôÐÔ¡¢½Úµã¼¯ºÏ²»Éæ¼°¸ö½Úµã£º
<?xml version="1.0" encoding="utf-8"?>
<da ......
select upper(name) from syscolumns
where id =any
(
select Id from sysobjects where name='tb_city'
)
lower
select row_number() over(order by firmid) from dbo.tb_BuildingMaterial
Éú³É ×ÔÔö 123
select rank() over(order by firmid) from dbo.tb_BuildingMaterial
Éú³É×ÔÔö123 ¸ù¾ÝÅ ......
1. ³ÌÐòÈçÏ£º
string str = "Create Database " + "DBname";
string con = "Data Source=10.0.0.249\\sql2005;Initial Catalog=master;Persist Security Info=True;User ID=sa;Password=sa";
&n ......
Êý¾ÝÀàÐÍÊÇÊý¾ÝµÄÒ»ÖÖÊôÐÔ£¬ÊÇÊý¾ÝËù±íʾÐÅÏ¢µÄÀàÐÍ¡£ÈκÎÒ»ÖÖÓïÑÔ¶¼ÓÐËü×Ô¼ºËù¹ÌÓеÄÊý¾ÝÀàÐÍ£¬SQL ServerÌṩһÏÂ25ÖÖ¹ÌÓеÄÊý¾ÝÀàÐÍ¡£
SQL ServerÊý¾ÝÀàÐÍÒ»ÀÀ±í
¡¡¡¡·Binary [(n)]
·Varbinary [(n)]
·Char [(n)]
·Varchar[(n)]
·Nchar[(n)]
·Nvarchar[(n)]
· ......
ÏÂÔØ½âѹÁËOracle SQL Developer¹¤¾ß£¬ÔËÐÐʱ£¬Æô¶¯²»ÁË£¬±¨´íÐÅÏ¢ÈçÏ£º
---------------------------
Unable to create an instance of the Java Virtual Machine
Located at path:
<SQLDEVELOPER>\jdk\jre\bin\client\jvm.dll
---------------------------
ÊÇJVM²ÎÊýÉèÖõÄÎÊÌ⣬ÎҵĽâ¾ö·½°¸ÈçÏ£º
<SQ ......