C# »ñÈ¡ SQL·þÎñÆ÷Áбí
#region µÃµ½ËùÓб¾µØÍøÂçÖпÉʹÓõÄSQL·þÎñÆ÷Áбí
/// <summary>
/// µÃµ½ËùÓб¾µØÍøÂçÖпÉʹÓõÄSQL·þÎñÆ÷Áбí
/// </summary>
/// <param name="p_strServerList">·þÎñÆ÷Áбí</param>
/// <returns></returns>
public static bool GetServers(ref string [] p_strServerList)
{
try
{
SQLDMO.Application sqlApp = new SQLDMO.ApplicationClass();
SQLDMO.NameList sqlServers = sqlApp.ListAvailableSQLServers();
if(sqlServers.Count > 0)
{
p_strServerList = new string[sqlServers.Count];
for(int i=0;i<sqlServers.Count;i++)
{
string srv = sqlServers.Item(i + 1);
if(srv != null)
{
p_strServerList[i] = srv;
}
}
}
return true;
}
catch(Exception ex)
{
throw ex;
}
}
#endregion
#region µÃµ½Ö¸¶¨SQL·þÎñÆ÷ËùÓÐÊý¾Ý¿âµÄÁбí
/// <summary>
/// µÃµ½Ö¸¶¨SQL·þÎñÆ÷ËùÓÐÊý¾Ý¿âµÄÁбí
/// </summary>
/// <param name="p_strDataBas
Ïà¹ØÎĵµ£º
ϵͳ»·¾³£ºWindows 7
Èí¼þ»·¾³£ºVisual C++ 2008 SP1 +SQL Server 2005
±¾´ÎÄ¿µÄ£º±àдһ¸öº½¿Õ¹ÜÀíϵͳ
ÕâÊÇÊý¾Ý¿â¿Î³ÌÉè¼ÆµÄ³É¹û£¬ËäÈ»³É¼¨²»¼Ñ£¬µ«ÊÇ×÷ΪÎÒÓÃVC++ ÒÔÀ´±àдµÄ×î´ó³ÌÐò»¹ÊÇ´«µ½ÍøÉÏ£¬ÒÔ¹©²Î¿¼¡£ÓÃVC++ ×öÊý¾Ý¿âÉè¼Æ²¢²»ÈÝÒ×£¬µ«Ò²²»ÊDz»¿ÉÄÜ¡£ÒÔÏÂÊÇÎҵijÌÐò½çÃ棬ºóÃæ ......
ºÍ UNION Ö¸ÁîÀàËÆ£¬ INTERSECT Ò²ÊǶÔÁ½¸ö SQL Óï¾äËù²úÉúµÄ½á¹û×ö´¦ÀíµÄ¡£²»Í¬µÄµØ·½ÊÇ£¬ UNION »ù±¾ÉÏÊÇÒ»¸ö OR (Èç¹ûÕâ¸öÖµ´æÔÚÓÚµÚÒ»¾ä»òÊǵڶþ¾ä£¬Ëü¾Í»á±»Ñ¡³ö)£¬¶ø INTERSECT Ôò±È½ÏÏñ AND ( Õâ¸öÖµÒª´æÔÚÓÚµÚÒ»¾äºÍµÚ¶þ¾ä²Å»á±»Ñ¡³ö)¡£ UNION ÊÇÁª¼¯£¬¶ø INTERSECT Êǽ»¼¯¡£
INTERSECT µÄÓï·¨ÈçÏ£º
[SQLÓï¾ä ......
ÓÐʱºòÎÒÃÇ»áÐèÒªÇå³ýÒ»¸ö±í¸ñÖеÄËùÓÐ×ÊÁÏ¡£Òª´ïµ½Õ߸öÄ¿µÄ£¬Ò»ÖÖ·½Ê½ÊÇÎÒÃÇÔÚ SQL DROP ÄÇÒ»Ò³ ¿´µ½µÄ DROP TABLE Ö¸Áî¡£²»¹ýÕâÑùÕû¸ö±í¸ñ¾ÍÏûʧ£¬¶øÎÞ·¨ÔÙ±»ÓÃÁË¡£ÁíÒ»ÖÖ·½Ê½¾ÍÊÇÔËÓà TRUNCATE TABLE µÄÖ¸Áî¡£ÔÚÕâ¸öÖ¸Áî֮ϣ¬±í¸ñÖеÄ×ÊÁÏ»áÍêÈ«Ïûʧ£¬¿ÉÊDZí¸ñ±¾Éí»á¼ÌÐø´æÔÚ¡£ TRUNCATE TABLE µÄÓ﷨ΪÏ£º
TRUNCATE ......
×î½üÕýÔÚѧϰÓÃSQL×öһЩ¶«Î÷£¬ÔÚÒ»¸öÌû×ÓÉÏÃæ¿´µ½Õâƪ¶ÔºÜÓаïÖú£¬¾ÍתÔص½ÁË×Ô¼ºµÄBlogÀϣÍû¶Ô´ó¼ÒÒ²ÓаïÖú¡£
SQL²Ù×÷È«¼¯
ÏÂÁÐÓï¾ä²¿·ÖÊÇMssqlÓï¾ä£¬²»¿ÉÒÔÔÚaccessÖÐʹÓá£
SQL·ÖÀࣺ
DDL—Êý¾Ý¶¨ÒåÓïÑÔ(CREATE£¬ALTER£¬DROP£¬DECLARE)
DML—Êý¾Ý²Ù× ......