今天在移植一個項目的的數據庫時,要移動所有的序列,下面就是一個如何生成序列腳本的語句

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;

結果類似:

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'

結果類似:

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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