When creating Oracle external tables, what is the maximum possible READSIZE?












0















I am creating an external table to load data from a text file. The file size varies between few KBs to few MBs (~90MBs). I have created table with similar script as below. In future the size of the text file input may increase and hence I would like to keep the READSIZE to maximum possible value (as the entire data gets read and loaded in a single command). Please suggest what is the maximum allowed value for READSIZE.



CREATE TABLE data_load (input_data CLOB)

ORGANIZATION EXTERNAL

    (TYPE ORACLE_LOADER

    DEFAULT DIRECTORY FILE_DATA

    ACCESS PARAMETERS

    (RECORDS DELIMITED BY NEWLINE

    READSIZE 1000000000

    CHARACTERSET 'UTF8'

    DISABLE_DIRECTORY_LINK_CHECK

    BADFILE FILE_DATA: 'data_load.bad'

    LOGFILE FILE_DATA: 'data_load.log'

    FIELDS (input_data CHAR(1000000000))

)

LOCATION (FILE_DATA:'data.txt'))

PARALLEL

REJECT LIMIT UNLIMITED;





oracle12c external-tables







share|improve this question

























  • As per the doc there is no limit on READSIZE parameter.

    – learningloop
    Nov 20 '18 at 7:46
















0















I am creating an external table to load data from a text file. The file size varies between few KBs to few MBs (~90MBs). I have created table with similar script as below. In future the size of the text file input may increase and hence I would like to keep the READSIZE to maximum possible value (as the entire data gets read and loaded in a single command). Please suggest what is the maximum allowed value for READSIZE.



CREATE TABLE data_load (input_data CLOB)

ORGANIZATION EXTERNAL

    (TYPE ORACLE_LOADER

    DEFAULT DIRECTORY FILE_DATA

    ACCESS PARAMETERS

    (RECORDS DELIMITED BY NEWLINE

    READSIZE 1000000000

    CHARACTERSET 'UTF8'

    DISABLE_DIRECTORY_LINK_CHECK

    BADFILE FILE_DATA: 'data_load.bad'

    LOGFILE FILE_DATA: 'data_load.log'

    FIELDS (input_data CHAR(1000000000))

)

LOCATION (FILE_DATA:'data.txt'))

PARALLEL

REJECT LIMIT UNLIMITED;





oracle12c external-tables







share|improve this question

























  • As per the doc there is no limit on READSIZE parameter.

    – learningloop
    Nov 20 '18 at 7:46














0












0








0








I am creating an external table to load data from a text file. The file size varies between few KBs to few MBs (~90MBs). I have created table with similar script as below. In future the size of the text file input may increase and hence I would like to keep the READSIZE to maximum possible value (as the entire data gets read and loaded in a single command). Please suggest what is the maximum allowed value for READSIZE.



CREATE TABLE data_load (input_data CLOB)

ORGANIZATION EXTERNAL

    (TYPE ORACLE_LOADER

    DEFAULT DIRECTORY FILE_DATA

    ACCESS PARAMETERS

    (RECORDS DELIMITED BY NEWLINE

    READSIZE 1000000000

    CHARACTERSET 'UTF8'

    DISABLE_DIRECTORY_LINK_CHECK

    BADFILE FILE_DATA: 'data_load.bad'

    LOGFILE FILE_DATA: 'data_load.log'

    FIELDS (input_data CHAR(1000000000))

)

LOCATION (FILE_DATA:'data.txt'))

PARALLEL

REJECT LIMIT UNLIMITED;





oracle12c external-tables







share|improve this question
















I am creating an external table to load data from a text file. The file size varies between few KBs to few MBs (~90MBs). I have created table with similar script as below. In future the size of the text file input may increase and hence I would like to keep the READSIZE to maximum possible value (as the entire data gets read and loaded in a single command). Please suggest what is the maximum allowed value for READSIZE.



CREATE TABLE data_load (input_data CLOB)

ORGANIZATION EXTERNAL

    (TYPE ORACLE_LOADER

    DEFAULT DIRECTORY FILE_DATA

    ACCESS PARAMETERS

    (RECORDS DELIMITED BY NEWLINE

    READSIZE 1000000000

    CHARACTERSET 'UTF8'

    DISABLE_DIRECTORY_LINK_CHECK

    BADFILE FILE_DATA: 'data_load.bad'

    LOGFILE FILE_DATA: 'data_load.log'

    FIELDS (input_data CHAR(1000000000))

)

LOCATION (FILE_DATA:'data.txt'))

PARALLEL

REJECT LIMIT UNLIMITED;





oracle12c external-tables




oracle12c external-tables






share|improve this question















share|improve this question













share|improve this question




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edited Nov 19 '18 at 7:49









Mat

165k29313344




165k29313344










asked Nov 19 '18 at 7:47









Priya PaiPriya Pai

1313




1313













  • As per the doc there is no limit on READSIZE parameter.

    – learningloop
    Nov 20 '18 at 7:46



















  • As per the doc there is no limit on READSIZE parameter.

    – learningloop
    Nov 20 '18 at 7:46

















As per the doc there is no limit on READSIZE parameter.

– learningloop
Nov 20 '18 at 7:46





As per the doc there is no limit on READSIZE parameter.

– learningloop
Nov 20 '18 at 7:46












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