Oracle data import utility PIPELINE_UTL_PKG.DATA_UNLOAD -

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i trying understand 1 utility being used in sql query import data database file. below code being used same. can tell me if below utility(pipeline_utl_pkg.data_unload) oracle utility. not find in google same. 

sql_exp='''select * table(       pipeline_utl_pkg.data_unload(         cursor(           select /*+ no_parallel(a) */ * usr.tbl_extract a),         'usr_tbl_extract.txt',         'expdirectory',         'n',         'y')     )'''     cur.execute(sql_exp)

it isn't oracle supplied package; in organisation or supplier has created that.

if aren't sure owns can schema/owner all_objects; may see package , synonym. can see package doing looking @ source code, in user_source (if you're logged in owner) or all_source views. may wrapped code - isn't insurmountable - if may have source code stored externally, in source control system.


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