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2¡¢´Ó¶Ô»°¿òÖжÁÈ¡±íÃû
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C/C++ code:
ADOX::_CatalogPtr pCatalog;
pCatalog.CreateInstance(__uuidof(ADOX::Catalog));
VARIANT var;
var.vt = VT_DISPATCH;
var.pdispVal = m_pConnection;
pCatalog->put_ActiveConnection(var); // ÉèÖÃÁ¬½Ó
ADOX::TablesPtr pTables = pCatalog->Tables;
int iCount = pTables->Count;
for(long i=0;i<iCount;i++) // ʹÓÃlong£¬¶ø·Çint
{
ADOX::_TablePtr pTable = pTables->GetItem(i);
CString strTableName = (TCHAR*)pTable->Name;
m_DatabaseInformation.AddTableName(strTableName);
CTableInformation* pTableInfo = new CTableInformation();
pTableInfo->SetName(strTableName);
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aspÀïÃæ strday=100£¬strb=001
ÎÒÏë¶Á³ö£¬´Óa×ֶεÄÊý×Ö°´´óµ½Ð¡µÄË ......
СµÜÊǸöÐÂÊÖ ÏÖÔÚÓиöÎÊÌâÒ»Ö±²»Äܽâ¾ö
ÀýÈç
procedure produce_proc
@p001 nvarchar(8000),
@p002 nvarchar(8000),
@p003 nvarchar(8000),
& ......
with adod_dict do
begin
close;
commandtext:='select bgqxcode,count(*) wjsl from wscl_wsda_file where wjnd=:tnd group by bgqxcode'; ......
½«Ò»¸ö±í21~30ɾ³ý£¬sqlÓï¾äÔõôд
Õâ¸öÌ«ÁýͳÁË£¬ÊÇÅÅÐòºóµÄµÚ21Ìõµ½30Ìõ¼Ç¼ɾ³ý»¹ÊÇijһÁÐÖµÔÚ21µ½30Ö®¼äµÄɾ³ý°¡£¿
21-30ÊÇʲôÒâ˼£¿×ֶεϰ¾Ídelete from table1 where col1>=21 and col1<=30
Ö¸µ ......
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SQL code:
select * from ±í t where not exists(select 1 from ±í where t.ÈÕÆÚ>ÈÕÆÚ and id=t.id)
SQL ......