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A backup of a datafile that includes every allocated block in the file being backed up. A full backup of a datafile can be an image copy, in which case every data block is backed up. It can also be stored in a backup set, in which case datafile blocks not in use may be skipped, ......

ORACLE directory Ŀ¼

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CREATE [OR REPLACE] DIRECTORY directory AS 'pathname';
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create or replace directory exp_dir as '/tmp';
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 SELECT  A.TABLE_NAME AS "±íÃû",A.COLUMN_NAME AS "×Ö¶ÎÃû",
 DECODE(A.CHAR_LENGTH,0,DECODE(A.DATA_SCALE,NULL,A.DATA_TYPE,A.DATA_TYPE||'('||A.DATA_PRECISION||','||A.DATA_SCALE||')'),
 A.DATA_TYPE||'('||A.CHAR_LENGTH||')') as "×Ö¶ÎÀàÐÍ1",A.DATA_TYPE AS "×Ö¶Î ......
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