oracle³¤ÊÂÎñ£¬ËÀËøÎÊÌâ
1¡¢³¤ÊÂÎñ
SQL> create table t_test as select * from all_objects;
Table created.
SQL> analyze table t_test compute statistics;
Table analyzed.
SQL> select count(*) from t_test a, t_test b;
---¹ý6ÃëÖкó£¬Ó¦¸ÃÊdz¤ÊÂÎñÁË¡£´ËʱÉϾäÖ´Ðл¹Î´½áÊø¡£
¿ªÁíÒ»¸ö»á»°
select * from v$session_longops where sofar < totalwork;
no rows selected
ÎÊÌâÒ»¡¢Ôõô»áÕâÑù°¡£¿Ó¦¸Ã¿ÉÒÔ²é³öÀ´°¡£¡
ÎÊÌâ¶þ¡¢ ÈçºÎɱµô³¤ÊÂÎñ£¨Í¨¹ýsqlÓï¾ä£©¡£
2¡¢ËÀËø
ÓÐʲôºÃµÄËÀËøÀý×ÓÂ𣿣¨ÎÒÓõÄÊÇOleDb£¬Ï£ÍûÓÃsqlÓï¾äʵÏÖËÀËø£©
ÎÊÌâÈý¡¢ÔõÑùɱµôËÀËø¡£
Õâ²»ÊÇËÀËø,»¹ÔÚparse,
ÄãÕâÊǵѿ¨¶ûÁË.
select event from v$session_wait;
Â¥Ö÷£¬¶à±í²éѯʱһ¶¨ÒªÐ´Ìõ¼þ°¡¡£
Ïà¹ØÎÊ´ð£º
ÎÒ°²×°Ò»Ì¨redhat linux5+oracle 10gµÄ·þÎñÆ÷£¬±Ê¼Ç±¾£¨XPϵͳ£©°²×°ÁËoracle 10g¿Í»§¶Ë,½á¹ûÀÏÊdzö12560µÄ´íÎó£¬Çë¸ßÊÖÖ¸µãÒ»¶þ£¬
-A RH-Firewall-1-INPUT -m state –state NEW -m tcp -p tcp –dpor ......
»·¾³£º1.win2003server+oracle9i
2.oracle9i×Ö·û¼¯ÎªAMERICAN_AMERICA.WE8ISO8859P1
3.oracle sql developer°æ±¾ 1.5.5
ÏÖÏóÃèÊö: 1.ÔÚsql developer ÖвéѯoracleÖеÄij¸ö±í£¬ÖÐÎÄÈ«²¿ÏÔʾΪÂÒÂë¡£
......
ÎÒ¶ÔSQL SERVERºÍACCESS±È½ÏÊ죬ËùÒÔÊý¾Ý¿âµÄͨÓûù´¡¶«Î÷¿ÉÒÔ˵¶¼ÕÆÎյIJ¶àÁË£¬ÎÒÏÖÔÚÏëÒªµÄ¾ÍÊÇÒÔÉÏÁ½Êý¾Ý¿âµÄ¶ÀÌØÖ®´¦µÄ½éÉܺÍÓ¦ÓýéÉÜ¡£
ÁíÍâÊé×îºÃ¶ÔÓ¦×îа汾 oracleÊÇ11g°É 10µÄÒ²ÐУ»mysqlÊÇ5.1°É
л ......
with adod_dict do
begin
close;
commandtext:='select bgqxcode,count(*) wjsl from wscl_wsda_file where wjnd=:tnd group by bgqxcode'; ......
ÎÒдµÄÒ»¸öJob
declare
job1 integer;
begin
dbms_job.submit(job1,
'Sale_FinanceUseFee(4,null,null,null);',
TRUNC(SYSDATE)+1.103, ......