SQL¡¡Êý¾Ý¿âÉú³É×Ô¶¯±àºÅ´úÂë
--exec [P_AutoGenerateNumber] 'reception_apply','generate_code','',7
/*
¹ý³Ì˵Ã÷:Éú³É×Ô¶¯±àºÅ
´´½¨Ê±¼ä:2010Äê1ÔÂ12ÈÕ
×÷Õß:feng
debug:ÉÐδ¿¼ÂDZàºÅÒç³öÇé¿ö
*/
ALTER proc [P_AutoGenerateNumber]
(
@tableName varchar(100)='meeting_apply', --±íÃû
@byteName varchar(100)='generate_code', --×Ö¶ÎÃû
@Remark varchar(10)='M', --±êʾ
@subLen int=4 --½ØÈ¡³¤¶È
)
WITH ENCRYPTION
as
declare @SQLString NVARCHAR(4000)
declare @OutputValue int
declare @subLenVar NVARCHAR(20)
declare @TempValue varchar(20)
set @subLenVar =convert(varchar(20),@subLen)
set @TempValue ='00000000000000000000'
declare @OutputValueToVar varchar(20)
set @SQLString = N'select @OutputValueEx=count(*) from '+@tableName+' where generate_code is not null or generate_code!='''''
EXECUTE sp_executesql @SQLString, N'@OutputValueEx int output',@OutputValueEx= @OutputValue output
if @OutputValue !=0
begin
SET @SQLString = N'SELECT @OutputValueEx=max(cast(right('+@byteName+','+@subLenVar+') as int))+1  
Ïà¹ØÎĵµ£º
sqldataadapterÊʺÏÓÃÔÚ²éѯ½Ï¶à×Ö¶Îʱ.....
string sou = "select * from art where content like '%" + TextBox1.Text + "%'";
SqlDataAdapter da = new SqlDataAdapter(sou, conn);
DataSet ds = new DataSet();
da.Fill(ds);
if (ds.Tables[0].rows.count==0)
{
Response.Write("ûÓмǼ£¡");
}
else
{
......
group byÖ÷ÒªÊÇÓÃÀ´·Ö×éµÄ£¬Ôõô¸ö·Ö×éÄØ£¿
ÒÔÏÂÓÃÁ½¸öÀý×Ó˵Ã÷Á½¸öʹÓ÷½Ã棬1ÊǺÏÀíµÄ·µ»ØºÏ¼ÆÖµ£¨·ÀÖ¹µÑ¿¨¶û»ýÏÖÏ󣩣¬2ÊÇÓ÷Ö×éÀ´ÕÒ³öÖظ´µÄ¼Ç¼
====================================================================
¡ï¡ï¡ïÀý×Ó1£º¼ÙÈçÓÐÕâôһ¸ö±í£ºtab_1£¬ËüÓÐÁ½¸ö×ֶΣºxm¡¢gzlb¡¢je£¨ÐÕÃû¡¢¹¤×ÊÀà±ð¡¢½ð¶î£© ......
Èç¹ûÄãµÄÊý¾Ý¿âÔËÐÐÔÚÍêÕû»òÊÇÅúÁ¿ÈÕÖ¾»Ö¸´Ä£Ê½Ï£¬ÄÇôÄã¾ÍÐèҪʹÓÃ×÷Òµ(job)À´¶¨ÆÚ±¸·ÝÊÂÎñÈÕÖ¾£¬±£³ÖÄãµÄÊÂÎñÎļþ´óС´¦ÔÚÒ»¸ö¿É¹ÜÀíµÄ·¶Î§¡£µ±ÄãÐèÒª»¹ÔÊÂÎñÈÕ־ʱ£¬Äã¾ÍÐèÒª°´ÕÕ´´½¨ÊÂÎñÈÕÖ¾µÄ˳ÐòÀ´»Ö¸´ËüÃÇ¡£Äã¿ÉÒԲο¼´æÔÚmsdb..backupset±íÖеÄÐÅÏ¢À´È·¶¨»¹ÔÎļþµÄ˳Ðò£¬Ê¹ÓÃFirstLSNºÍLastLSNÁеÄÖµ×÷²Î¿¼¡£µ±Ä ......
֮ǰûÔõôÑо¿¹ýMySQLµÄÈÝÁ¿£¬ÓÉÓÚÏîÄ¿ÐèÒª£¬ÐèÒªÒ»¸öÃâ·ÑµÄ¿ÉÒÔÖ§³ÖǧÍòÌõÊý¾Ý¼¶ÒÔÉϵÄÊý¾Ý¿â£¬²é¿´ÏÂmysqlµÄÎĵµ£¬·¢ÏÂmysql»¹ÊǺÜÇ¿´óµÄ£¬¼Ç¼Ï£¬ºÇºÇ¡£ÔÎÄÈçÏ£º
MySQL 3.22ÏÞÖƵıí´óСΪ4GB¡£ÓÉÓÚÔÚMySQL 3.23ÖÐʹÓÃÁËMyISAM´æ´¢ÒýÇ棬×î´ó±í³ß´çÔö¼Óµ½ÁË65536TB£¨2567 –1×Ö½Ú£©¡£ÓÉÓÚÔÊÐíµÄ±í³ß´ç¸ü´ ......
Á¬½ÓÃüÁî
1.CONNECT(CONN)£º½¨Á¢Óû§Á¬½Ó
Óï·¨£ºCONNECT [USERNAME]/[password][@connect_identifier]
²ÎÊý£ºUSERNAME£ºÓû§Ãû£» password£ºÃÜÂ룻 connect_identifier£ºÊý¾Ý¿âʵÀýÃû
ÀýÈ磺CONNECT scott/tiger@ORCL
×¢Ò⣺Èç¹ûÒªÒÔÌØȨÓû§Éí·ÝÁ¬½Ó£¬Ôò±ØÐë´ø£ºAS SYSDBA »ò AS SYSOPERÑ¡Ï
ÀýÈ磺CO ......