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用oracle单独导出序列的两种方法

2012-04-19 22:21 381 查看
方法一:

  SELECT ' CREATE SEQUENCE '||SEQUENCE_NAME|| ' INCREMENT BY '||

  INCREMENT_BY ||' START WITH '||LAST_NUMBER||' MAXVALUE '||

  MAX_VALUE ||' CACHE '||CACHE_SIZE||' ORDER NOCYCLE ;'

  FROM user_SEQUENCES;

  结果类似:

  CREATE SEQUENCE ARTCOMMENT_SEQ INCREMENT BY 1 START WITH 341 MAXVALUE 999999999999999999999999999 CACHE 20 ORDER NOCYCLE ;

  CREATE SEQUENCE ARTICLEVISTCECOLLECT_SEQ INCREMENT BY 1 START WITH 1 MAXVALUE 999999999999999999999999999 CACHE 20 ORDER NOCYCLE ;

  CREATE SEQUENCE ARTICLEVISTTEMP_SEQ INCREMENT BY 1 START WITH 82989 MAXVALUE 999999999999999999999999999 CACHE 20 ORDER NOCYCLE ;

  CREATE SEQUENCE ARTICLEVIST_SEQ INCREMENT BY 1 START WITH 1675 MAXVALUE 999999999999999999999999999 CACHE 20 ORDER NOCYCLE ;

  CREATE SEQUENCE ARTICLE_SEQ INCREMENT BY 1 START WITH 1908 MAXVALUE 999999999999999999999999999 CACHE 20 ORDER NOCYCLE ;

  方法二:

  select dbms_metadata.get_ddl('SEQUENCE',u.object_name) from user_objects u where object_type='SEQUENCE'

  结果类似:

  CREATE SEQUENCE "MO_VO"."ARTCOMMENT_SEQ" MINVALUE 1 MAXVALUE 999999999999999999999999999 INCREMENT BY 1 START WITH 341 CACHE 20 ORDER NOCYCLE ;

  CREATE SEQUENCE "MO_VO"."ARTICLEVISTCECOLLECT_SEQ" MINVALUE 1 MAXVALUE 999999999999999999999999999 INCREMENT BY 1 START WITH 1 CACHE 20 ORDER NOCYCLE ;

  CREATE SEQUENCE "MO_VO"."ARTICLEVISTTEMP_SEQ" MINVALUE 1 MAXVALUE 999999999999999999999999999 INCREMENT BY 1 START WITH 82989 CACHE 20 ORDER NOCYCLE ;

  CREATE SEQUENCE "MO_VO"."ARTICLEVIST_SEQ" MINVALUE 1 MAXVALUE 999999999999999999999999999 INCREMENT BY 1 START WITH 1675 CACHE 20 ORDER NOCYCLE ;
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