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online_redefinition_sample.sql
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online_redefinition_sample.sql
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ALTER SESSION FORCE PARALLEL DML;
CREATE TABLE CUST
(
C_ID NUMBER PRIMARY KEY,
C_ZIP NUMBER,
C_NAME VARCHAR (30) DEFAULT NULL,
C_LOB CLOB
);
INSERT INTO CUST
VALUES (1,
94065,
'hhh',
'ttt');
CREATE TABLE CUST_INT
(
C_ID NUMBER NOT NULL,
C_ZIP NUMBER,
C_NAME VARCHAR (30) DEFAULT NULL,
C_LOB CLOB
)
LOB (C_LOB) STORE AS SECUREFILE (NOCACHE FILESYSTEM_LIKE_LOGGING);
DECLARE
COL_MAPPING VARCHAR2 (1000);
BEGIN
COL_MAPPING :=
'c_id c_id , '
|| 'c_zip c_zip , '
|| 'c_name c_name, '
|| 'c_lob c_lob';
DBMS_REDEFINITION.START_REDEF_TABLE ('bdsm',
'cust',
'cust_int',
COL_MAPPING);
END;
/
DECLARE
ERROR_COUNT PLS_INTEGER := 0;
BEGIN
DBMS_REDEFINITION.COPY_TABLE_DEPENDENTS ('bdsm',
'cust',
'cust_int',
1,
TRUE,
TRUE,
TRUE,
FALSE,
ERROR_COUNT);
DBMS_OUTPUT.PUT_LINE ('errors := ' || TO_CHAR (ERROR_COUNT));
END;
EXEC DBMS_REDEFINITION.FINISH_REDEF_TABLE('bdsm', 'cust', 'cust_int');
DROP TABLE CUST_INT;
SELECT * FROM CUST;