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oracle job Ïà¹Ø

begin
  sys.dbms_job.submit(job => :job,
                      what => 'p_apip_price_send;',
                      next_date => to_date('01-01-4000', 'dd-mm-yyyy'),
                      interval => 'sysdate+1');
  sys.dbms_job.broken(job => :job,
                      broken => true,
                      next_date => to_date('01-01-4000', 'dd-mm-yyyy'));
  commit;
end;
 
---------------------------------------
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JOB_QUEUE_INTERVAL=60
JOB_QUEUE_PROCESSES=4
job_queue_keep_connections=true
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2
sys.dbms_job.submit(job => :job,  --job±àºÅ£¬Î¨Ò»±êʶ
                                what => 'begin  --jobÄÚÈÝ£¬µ÷Óô洢¹ý³Ì£¬ÒÔbeginºÍend¿ªÍ·
                                                   insert_t2;
                                  &nbs


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select t.*,i.index_type from user_ind_columns t,user_indexes i where t.index_name = i.index_name and t.table_name = i.table_name and t.table_name = Òª²éѯµÄ±í
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select cu.* from user_cons_columns cu, user_con ......

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   ·ÖÎöº¯ÊýÊÇoracle816ÒýÈëµÄÒ»¸öȫеĸÅÄî,ΪÎÒÃÇ·ÖÎöÊý¾ÝÌṩÁËÒ»ÖÖ¼òµ¥¸ßЧµÄ´¦Àí·½Ê½.ÔÚ·ÖÎöº¯Êý³öÏÖÒÔǰ,ÎÒÃDZØÐëʹÓÃ×ÔÁª²éѯ,×Ó²éѯ»òÕßÄÚÁªÊÓͼ,ÉõÖÁ¸´ÔӵĴ洢¹ý³ÌʵÏÖµÄÓï¾ä,ÏÖÔÚÖ»ÒªÒ»Ìõ¼òµ¥µÄsqlÓï¾ä¾Í¿ÉÒÔʵÏÖÁË,¶øÇÒÔÚÖ´ÐÐЧÂÊ·½ÃæÒ²ÓÐÏ൱´óµÄÌá¸ß.
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OracleÊý¾Ýµ¼Èëµ¼³öimp/exp¾ÍÏ൱ÓÚoracleÊý¾Ý»¹Ô­Ó뱸·Ý¡£expÃüÁî¿ÉÒÔ°ÑÊý¾Ý´ÓÔ¶³ÌÊý¾Ý¿â·þÎñÆ÷µ¼³öµ½±¾µØµÄdmpÎļþ£¬impÃüÁî¿ÉÒÔ°ÑdmpÎļþ´Ó±¾µØµ¼Èëµ½Ô¶´¦µÄÊý¾Ý¿â·þÎñÆ÷ÖС£ ÀûÓÃÕâ¸ö¹¦ÄÜ¿ÉÒÔ¹¹½¨Á½¸öÏàͬµÄÊý¾Ý¿â£¬Ò»¸öÓÃÀ´²âÊÔ£¬Ò»¸öÓÃÀ´ÕýʽʹÓá£
 
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Virtual Columns in Oracle Database 11g

When queried, virtual columns appear to be normal table columns, but
their values are derived rather than being stored on disc. The syntax
for defining a virtual column is listed below.
column_name [datatype] [GENERATED ALWAYS] AS (expression) [VIRTUAL]
If the datatype is omitted, it is determin ......

ORACLE PL/SQL ´æ´¢¹ý³Ì½Ì³Ì


(1)SEQNAME.NEXTVALÀïÃæµÄÖµÈçºÎ¶Á³öÀ´£¿¿ÉÒÔÖ±½ÓÔÚinsert into test values(SEQNAME.NEXTVAL) ÊÇ¿ÉÒÔÓà  ÕâÑù£º     
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        INTO id_temp
        from DUAL;  È»ºó¿ÉÒ ......
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