导出ddl定义.sql
create or replace directory UTL_DIR as 'D:\wang';
/
create or replace procedure p_exportDLL(p_table_name varchar2,p_filename varchar2) is
begin
declare
l_file UTL_FILE.FILE_TYPE;
l_buffer VARCHAR2(1000);
l_amount BINARY_INTEGER := 100;
l_pos INTEGER := 1;
l_clob clob;
l_clob_len INTEGER;
begin
select dbms_metadata.get_ddl('TABLE',p_table_name )||';' into l_clob from dual;
l_clob_len := DBMS_LOB.GETLENGTH(l_clob);
l_file := UTL_FILE.FOPEN('UTL_DIR', p_filename||'.sql', 'a', 1000);
WHILE l_pos < l_clob_len LOOP
DBMS_LOB.READ(l_clob, l_amount, l_pos, l_buffer);
UTL_FILE.put(l_file, l_buffer);
l_pos := l_pos + l_amount;
END LOOP;
UTL_FILE.FCLOSE(l_file);
--if @@error
end;
end p_exportDLL;
/
CREATE OR REPLACE PROCEDURE p_whole AS
BEGIN
FOR x IN (SELECT table_name FROM user_tables) LOOP
p_exportDLL(x.table_name,'paul');
END LOOP;
END p_whole;
/
begin
p_whole;
end;
/
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