missing scenario of the external table file
Hi What is happening...When we access the external table, and the file is not present... it throws an error? It simply returns the rows null?
If I know I will get 5 files a.txt b.txt, c.txt, d.txt, .txt, and then I can put in the location
LOCATION ('a.txt ',' b.txt ',' c.txt ',' d.txt', ' e.txt") creating the external table
If for example b.txt and c.txt are not present at the time of access, it will throw an error or it just shows me the records of a, d and e?
concerning
REDA
Raj,
If you have missing files, you select will return an error. So make sure that file, even if its empty.
You will see the following error
CREATE TABLE ext_tab (
empno CHAR (4),
ename CHAR (20),
job CHAR (20),
deptno CHAR (2)
)
ORGANIZATION EXTERNAL
( TYPE oracle_loader DEFAULT DIRECTORY EXPORT_DIR ACCESS PARAMETERS (
RECORDS DELIMITED BY NEWLINE BADFILE 'bad_%a_%p.bad' LOGFILE
'log_%a_%p.log' FIELDS TERMINATED BY ',' MISSING FIELD VALUES ARE NULL
REJECT ROWS WITH ALL NULL FIELDS ( empno ,
ename ,
job ,
deptno) ) LOCATION ( 'emp.dat','emp.dat1' ) );
select * from ext_tab;
ORA-29913: error in executing ODCIEXTTABLEOPEN callout
ORA-29400: data cartridge error
KUP-04040: file emp.dat1 in EXPORT_DIR not found --> emp.dat1 doesn't exist but emp.dat exists
ORA-06512: at "SYS.ORACLE_LOADER", line 19
Concerning
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