DECLARE V_SQL VARCHAR2 ( 1000 ); V_SQL_HEAD VARCHAR2 ( 100 ); V_SQL_TAIL VARCHAR2 ( 10 ); V_DAY VARCHAR2 ( 8 ); CURSOR C_CUR IS SELECT TO_CHAR((TO_DATE( ‘ 2012-01 ‘ , ‘ yyyy-mm ‘ ) + (ROWNUM - 1 )), ‘ YYYYMMDD ‘ ) S_DATE FROM DUAL CONNECT BY ROWNUM <= LAST_DAY(TO_DATE( ‘ 2012-12 ‘ , ‘ yyyy-mm ‘ )) - TO_DATE( ‘ 2012-01 ‘ , ‘ yyyy-mm ‘ ) + 1 ; BEGIN DBMS_OUTPUT.ENABLE( 1000000 ); OPEN C_CUR; V_SQL_HEAD : = ‘ PARTITION BY RANGE(ACCT_DAY) ‘ || CHR( 13 ) || ‘ ( ‘ ; V_SQL_TAIL : = CHR( 13 ) || ‘ ) ‘ ; DBMS_OUTPUT.PUT_LINE(V_SQL_HEAD); LOOP FETCH C_CUR INTO V_DAY; EXIT WHEN C_CUR % NOTFOUND; V_SQL : = ‘ PARTITION PART_ ‘ || V_DAY || ‘ ‘ || ‘ VALUES LESS THAN ( ‘‘‘ || TO_CHAR((TO_DATE(V_DAY, ‘ YYYYMMDD ‘ ) + 1 ), ‘ YYYYMMDD ‘ ) || ‘‘‘ ) ‘ ; DBMS_OUTPUT.PUT_LINE(V_SQL); END LOOP; DBMS_OUTPUT.PUT_LINE(V_SQL_TAIL); CLOSE C_CUR; END ;
该语句执行之后的效果就是生成了2012年一年的分区,不重不漏。具体情况具体修改。勿喷。
oracle建表时按天分区的自动生成语句
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