Oracle job ¹ÜÀí
SVRMGR> select * from dba_jobs;
³õʼ»¯Ïà¹Ø²ÎÊýjob_queue_processes
alter system set job_queue_processes=39 scope=spfile;//×î´óÖµ²»Äܳ¬¹ý1000 ;job_queue_interval = 10 //µ÷¶È×÷ҵˢÐÂÆµÂÊÃëΪµ¥Î»
DBA_JOBS describes all jobs in the database.
USER_JOBS describes all jobs owned by the current user
1 select job,what,to_char(last_date,'yyyy-mm-dd HH24:mi:ss'),to_char(next_date,'yyyy-mm-dd HH24:m),interval from dba_jobs where job in (325,295)
2 select job,what,last_date,next_date,interval from dba_jobs where job in (1,3);
²éѯjobµÄÇé¿ö¡£
show paramter background_dump_dest.
¿´alter.log ºÍtrace
SVRMGR> select * from dba_jobs;
³õʼ»¯Ïà¹Ø²ÎÊýjob_queue_processes
alter system set job_queue_processes=39 scope=spfile;//×î´óÖµ²»Äܳ¬¹ý1000
job_queue_interval = 10 //µ÷¶È×÷ҵˢÐÂÆµÂÊÃëΪµ¥Î»
DBA_JOBS describes all jobs in the database.
USER_JOBS describes all jobs owned by the current user
1 select job,what,to_char(last_date,'yyyy-mm-dd HH24:mi:ss'),to_char(next_date,'yyyy-mm-dd HH24:m),interval from dba_jobs where job in (325,295)
2 select job,what,last_date,next_date,interval from dba_jobs where job in (1,3);
²éѯjobµÄÇé¿ö¡£
show paramter background_dump_dest.
¿´alter.log ºÍtrace
ÇëÎÊÎÒÈçºÎÍ£Ö¹Ò»¸öJOB
SQL> exec dbms_job.broken(1,true)
PL/SQL ¹ý³ÌÒѳɹ¦Íê³É¡£
SQL>commit //±ØÐëÌá½»·ñÔòÎÞЧ
Æô¶¯×÷Òµ
SQL> exec dbms_job.broken(1,false)
PL/SQL ¹ý³ÌÒѳɹ¦Íê³É¡£
Í£ÆäËûÓû§µÄjob
SQL>exec sys.dbms_ijob.broken(98,true);
SQL>commit;
============================
exec dbms_job.broken(:job) ֹͣ
exec dbms_job.broken(186,true) //±ê¼Çλbroken
exec dbms_job.broken(186,false)//±ê¼ÇΪ·Çbroken
exec dbms_job.broken(186,false,next_day(sysdate,'monday')) //±ê¼ÇΪ·Çbroken,Ö¸¶¨Ö´ÐÐʱ¼ä
exec dbms_job.remove(:job)£»É¾³ý
exec dbms_job.remove(186);
commit£»
°ÑÒ»¸öbroken jobÖØÐÂÔËÐÐ
Èý¡¢²é¿´Ïà¹ØjobÐÅÏ¢
1¡¢Ïà¹ØÊÓͼ
dba_jobs
all_jobs
user_jobs
dba_jobs_running °üº¬ÕýÔÚÔËÐÐjobÏà¹ØÐÅÏ¢
´´½¨JOB
variable j
Ïà¹ØÎĵµ£º
ËäȻѧϰJavaºÜ¾ÃÁË£¬×Ô¼ºÒ²Á¬½Ó¹ýһЩÊý¾Ý¿â£¬±ÈÈçmysqlÖ®ÀàµÄ£¬Èç½ñÄØ£¬Ò²Ñ§Ï°ÁËÒ»¶Îʱ¼äµÄOracle£¬È»¶øÄØ£¬½ñÌìÊÇÎÒµÚÒ»´ÎÁ¬½ÓOracle£¬ºÙºÙ£¬Ó¦¸Ã»¹²»ËãÌ«³Ù°É¡£
½ñÌìÄØ£¬Óе㱿׾£¬´ó¼ÒĪЦ£¡
ÎÒÕâÊÇÒ»¸ö²éѯÀý×Ó
Ê×ÏÈ£¬Ô ......
¡öÀÖÖª
“ËÊÇ˵ÄË”£¬ÕâÊÇΨÃÀÖÐ͸×ÅÓÄÔ¹µÄÒ»Ê׸裬µ«È´»áĪÃûµØµçµ½ÐÄÖеÄÀÛ¡£Ñ§Ï°Ì«ÀÛ£¬¹¤×÷Ì«ÀÛ£¬Éú»îÌ«ÀÛ£¬Á¬¸èÃûÌý×Ŷ¼ÄÇôÀÛ¡£
²ß»®µÄµÚÒ»±¾Êé¡¶´óÏó——Thinking in UML¡·£¬´ÓÔË×÷£¬µ½ÉÏÊУ¬µ½³©Ïú£¬µ½¾µä£¬µ½¹úÄÚUMLµÚÒ»Ê飬һÄêÖ®ÄÚʵÏÖÁËÒ»¸ö¸öûÓÐÃιýµÄÃÎÏë¡£ÕýÈçÕâÊ׸èÖеÄÒ ......
ÈçºÎ²éѯoracleÖеĹؼü×Ö£¬Ö´ÐУº
select * from v$reserved_words
ÆäʵÄÚǶµÄfunction£¬¾ÍÊÇÒ»¸öϵͳµÄpackageÄÚµÄfunction»òÕßprocedure¡£Èç¹ûÖªµÀÕâ¸ö¸ù±¾µÄÔÒò£¬ÒªÕÒµ½Õâ¸öÄÚǶµÄ×Ô´øfunction¾ÍºÜ¼òµ¥ÁË¡£
ÕâÀïÄÚǶµÄ×Ô´øµÄfucntionºÍprocedureµÄ¶ÔÏ󣬯äʵ¾ÍÊÇSTANDARDÕâ¸ö°üÀïµÄ¶ÔÏó¡£¶ø
OracleÀï¶ÔÓÚfuncti ......
1£®Ô¼Êø
×÷Óãº
Ô¼ÊøÓÃÓÚÈ·±£Êý¾Ý¿âÊý¾ÝµÄÍêÕûÐÔ,ÔÚoracleÊý¾Ý¿âÖÐ,¿ÉÒÔʹÓÃÔ¼Êø,´¥·¢Æ÷ºÍÓ¦ÓôúÂë(¹ý³Ì,º¯Êý)3ÖÖ·½·¨ÊµÏÖÊý¾ÝÍêÕûÐÔ,Õâ3ÖÖ·½·¨ÖÐ,ÒòÎªÔ¼ÊøÒ×ÓÚά»¤,²¢ÇÒ¾ßÓÐ×îºÃµÄÐÔÄÜ,ËùÒÔʵÏÖÊý¾ÝÍêÕûÐÔÊ×Ñ¡Ô¼Êø.
·ÖÀࣺ
Ô¼ÊøµÄÖÖÀàÓУºnot null,unique,primary key,foreign key,check
Not nullÈ·±£×Ö¶ÎÖµ²»ÄÜΪ¿Õ
......
ÏîÄ¿ÖÐÒ»Ö±¶¼ÊÇÓÃdb2£¬ËùÒÔ¶Ôdb2Ò²ËãÓиöÒ»Öª°ë½â£¬¶ø¶ÔoracleÔòÊÇÖªÖ®ÉõÉÙ£¬Ò»Ö±¿àÓÚûÓлú»áÀ´Á·ÊÖ¡£×î½üÏîÄ¿×éÔÚ×ödb2µ½oracleµÄÇ¨ÒÆ£¬ÖÕÓÚ´þ×Å»ú»áÁË¡£½ñÌì¼òµ¥ËµÐ©ÔÚʵ¼ÊÏîÄ¿Óöµ½µÃһЩÎÊÌ⣬ÒÔºóÔÙÂýÂý²¹³ä¡£Í¬Ê±Ò²Ï£ÍûÈÊÈË־ʿ¶à¶àÖ¸µã¡£
ÓÉÓÚ ......