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½ñÌì¾ÍÓöµ½Ò»¸öÎÊÌ⣬µ¼³öµÄcsvÔÚת»»³Édbfʱ³öÏÖÁ˺ܶà¿ÕÐС£¾­¹ý²éÕÒÎÊÌ⣬·¢ÏÖÊÇ×Ö¶ÎÖк¬Óл»Ðзûµ¼Ö¡£
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select Replace(zsyj,chr(13)||chr(10),'')  as SXPD  from TableName
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Oracle ²åÈë×ܽá

Oracle ÏòÒ»¸ö±íÖвåÈëÊý¾ÝµÄÁ½ÖÖ·½Ê½£º
       Conventional Insert Operations£º´«Í³²åÈë»áÓÅÏÈʹÓøßˮλ֮Ï£¬»á±£Ö¤Êý¾ÝÓ¦ÓÃÍêÕûÐÔ£º¸ßˮλ֮ÏÂÊÇÖ¸£ºÉ¾³ýÖ®ºóµÄÊ£Óà¿Õ¼ä£¬¸ßˮλ֮ÉÏÊÇÖ¸£º´ÓÀ´Ã»ÓÐÓùýµÄ´¦Å®¿é¡£
       Direct-path Insert Operatio ......

OracleÖÐstart with...connect by prior×Ó¾äÓ÷¨

 
OracleÖÐstart with...connect by prior×Ó¾äÓ÷¨

connect by Êǽṹ»¯²éѯÖÐÓõ½µÄ£¬Æä»ù±¾Óï·¨ÊÇ£º
select ... from tablename start with Ìõ¼þ1
connect by Ìõ¼þ2
where Ìõ¼þ3;
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select * from table
start with org_id = 'HBHqfWGWPy'
connect by prior org_id = parent_id;
¼òµ ......

Oracle¿ØÖÆÎļþ³£ÓòÙ×÷

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a.)²éѯ¿É¸´Óò¿·ÖµÄ±£´æÌìÊý(²»ÄÜÖ±½Ó¿ØÖÆ´óС,±£´æÌìÊýÔ½´óÊý¾ÝÔ½¶à)
SELECT name,value from v$parameter WHERE name = 'control_file_record_keep_time';

b.)ÉèÖÿɸ´Óò¿·Ö±£´æÊ±¼ä
ALTER SYSTEM SET CONTROL_FILE_RECORD_KEEP_TIME = 14;
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ORACLE RBA(redo byte address)

Redo Byte Address (RBA)
Recent entries in the redo thread of an Oracle instance are addressed using a 3-part redo byte address, or RBA. An RBA is comprised of
the log file sequence number (4 bytes)
the log file block number (4 bytes)
the byte offset into the block at which the redo record sta ......

DB2 תOracle

 DB2 תOracle
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DB2:
select a.yyxe,a.zblb,a.ysdm,a.daynum,b.zjxm  from zy_yspb a ,zy_zjlb b where a.ysdm=b.id and  a.ksdm=10000 order by abs( a.daynum -DAYOFWEEK(current   date)+1) desc,a.daynum,a.zblb
sql.executeQuery:ORA-00936: ȱʧ±í´ïʽ
Oracle :
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