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_birth
How 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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