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11G DBMS_REDEFINITION修改表数据类型
SYS@honor1 > SET LONG 999999
SYS@honor1 > SELECT DBMS_METADATA.GET_DDL('TABLE','TEST_REDE','HR') FROM DUAL;
CREATE TABLE "HR"."TEST_REDE"
( "OWNER" VARCHAR2(30),
"OBJECT_NAME" VARCHAR2(128),
"SUBOBJECT_NAME" VARCHAR2(30),
"OBJECT_ID" VARCHAR2(20),
"DATA_OBJECT_ID" NUMBER,
"OBJECT_TYPE" VARCHAR2(19),
"CREATED" DATE,
"LAST_DDL_TIME" DATE,
"TIMESTAMP" VARCHAR2(19),
"STATUS" VARCHAR2(7),
"TEMPORARY" VARCHAR2(1),
"GENERATED" VARCHAR2(1),
"SECONDARY" VARCHAR2(1),
"NAMESPACE" NUMBER,
"EDITION_NAME" VARCHAR2(30)
)
TABLESPACE "USERS"; 
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