Ignoring the fields in the flat file
I have a table with column empid and dat_of_birth. I get a flat file with fields location | empname | EmpID. salary | dat_of_birthHow can I load only empid and dat_of_birth?
In addition, how can even be done using external table?
Hoek wrote:
Load the entire file and select only the columns you need?
No need. Simply use FILL even as in SQL * Loader. For example:
Data file:
New York|King|123|10000|04.21.1967
Boston|Smith|456|5000|07.11.1976
External table:
CREATE TABLE test_tbl(
empid number,
dat_of_birth date
)
ORGANIZATION EXTERNAL(
TYPE ORACLE_LOADER
DEFAULT DIRECTORY tmp
ACCESS PARAMETERS (
FIELDS TERMINATED BY '|'
(
filler,
filler,
empid,
filler,
dat_of_birth date 'mm.dd.yyyy'
)
)
LOCATION ('test_tbl.txt')
)
/
Table created.
SQL> select * from test_tbl
2 /
EMPID DAT_OF_BI
---------- ---------
123 21-APR-67
456 11-JUL-76
SQL>
SY.
Tags: Database
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