Unattended Daily Exporting of Query to Flat File
I am VERY new to Oracle and SQL Plus. I've been tasked with automating a query to run unattended daily to export data and store it in a flat file with structured naming convention (CC_MMDDYY.exp). I need to have it be able to an "on demand" query to flat file too. Any help would be appreciated.
search asktom.oracle.com (temporary unavailable right now) for keyword flat file to obtain a procedure to write the result of a given query to a flat file and that's it. You can then schedule it's execution using DBMS_SCHEDULER or execute it on demand.
Regards
Etbin
http://asktom.oracle.com/pls/asktom/f?p=100:11:0::::P11_QUESTION_ID:68212348056
Message was edited by: Etbin
user596003
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Exporting R3 tables into Flat Files for BPC
Dear BPC experts,
I understand currently the way for BPC to extract data from R3 is via flat files. I have the following queries:
1) What exactly are the T codes and steps required to export R3 tables into flat files (without going through the OpenHub in BI7)? Can this process be automated?
2) Is Data Manager of BPC equivalent to SSIS (Integration Services) of SQL Server?
Please advise. Thanks!!
SJHi Soong Jeng,
I would take a look at the existing BI Extractors for the answer to Q1, I am working on finishing up a HTG regarding this. Look for it very soon.
Here is the code to dump out data from a BI Extractor directly from ERP.
You need dev permissions in your ERP system and access to an app server folder. ...Good Luck
*& Report Z_EXTRACTOR_TO_FILE *
report z_extractor_to_file .
type-pools:
rsaot.
parameters:
p_osrce type roosource-oltpsource,
p_filnm type rlgrap-filename,
p_maxsz type rsiodynp4-maxsize default 100,
p_maxfc type rsiodynp4-calls default 10,
p_updmd type rsiodynp4-updmode default 'F'.
data:
l_lines_read type sy-tabix,
ls_select type rsselect,
lt_select type table of rsselect,
ls_field type rsfieldsel,
lt_field type table of rsfieldsel,
l_quiet type rois-genflag value 'X',
l_readonly type rsiodynp4-readonly value 'X',
l_desc_type type char1 value 'M',
lr_data type ref to data,
lt_oltpsource type rsaot_s_osource,
l_req_no type rsiodynp4-requnr,
l_debugmode type rsiodynp4-debugmode,
l_genmode type rois-genflag,
l_columns type i,
l_temp_char type char40,
l_filename like rlgrap-filename,
wa_x030l like x030l,
tb_dfies type standard table of dfies,
wa_dfies type dfies,
begin of tb_flditab occurs 0,
* field description
fldname(40) type c,
end of tb_flditab,
ls_flditab like line of tb_flditab,
l_file type string.
field-symbols:
<lt_data> type standard table,
<ls_data> type any,
<ls_field> type any.
call function 'RSA1_SINGLE_OLTPSOURCE_GET'
exporting
i_oltpsource = p_osrce
importing
e_s_oltpsource = lt_oltpsource
exceptions
no_authority = 1
not_exist = 2
inconsistent = 3
others = 4.
if sy-subrc <> 0.
* ERROR
endif.
create data lr_data type standard table of (lt_oltpsource-exstruct).
assign lr_data->* to <lt_data>.
call function 'RSFH_GET_DATA_SIMPLE'
exporting
i_requnr = l_req_no
i_osource = p_osrce
i_maxsize = p_maxsz
i_maxfetch = p_maxfc
i_updmode = p_updmd
i_debugmode = l_debugmode
i_abapmemory = l_genmode
i_quiet = l_quiet
i_read_only = l_readonly
importing
e_lines_read = l_lines_read
tables
i_t_select = lt_select
i_t_field = lt_field
e_t_data = <lt_data>
exceptions
generation_error = 1
interface_table_error = 2
metadata_error = 3
error_passed_to_mess_handler = 4
no_authority = 5
others = 6.
* get table/structure field info
call function 'GET_FIELDTAB'
exporting
langu = sy-langu
only = space
tabname = lt_oltpsource-exstruct
withtext = 'X'
importing
header = wa_x030l
tables
fieldtab = tb_dfies
exceptions
internal_error = 01
no_texts_found = 02
table_has_no_fields = 03
table_not_activ = 04.
* check result
case sy-subrc.
when 0.
* copy fieldnames
loop at tb_dfies into wa_dfies.
case l_desc_type.
when 'F'.
tb_flditab-fldname = wa_dfies-fieldname.
when 'S'.
tb_flditab-fldname = wa_dfies-scrtext_s.
when 'M'.
tb_flditab-fldname = wa_dfies-scrtext_m.
when 'L'.
tb_flditab-fldname = wa_dfies-scrtext_l.
when others.
* use fieldname
tb_flditab-fldname = wa_dfies-fieldname.
endcase.
append tb_flditab.
* clear variables
clear: wa_dfies.
endloop.
when others.
message id sy-msgid type sy-msgty number sy-msgno
with sy-subrc raising error_get_dictionary_info.
endcase.
describe table tb_flditab lines l_columns.
" MOVE DATA TO THE APPLICATION SERVER
open dataset p_filnm for output in text mode encoding utf-8
with windows linefeed.
data i type i.
loop at <lt_data> assigning <ls_data>.
loop at tb_flditab into ls_flditab.
i = sy-tabix.
assign component i of structure <ls_data> to <ls_field>.
l_temp_char = <ls_field>.
if i eq 1.
l_file = l_temp_char.
else.
concatenate l_file ',' l_temp_char into l_file.
endif.
endloop.
transfer l_file to p_filnm.
clear l_file.
endloop.
close dataset p_filnm.
Cheers,
Scott
Edited by: Jeffrey Holdeman on May 25, 2010 4:44 PM
Added markup to improve readability
Edited by: Jeffrey Holdeman on May 25, 2010 4:47 PM -
Hi
How to query the flat files that are used in Etl From EBS source.That can be done in OBIEE. Save the flat file as .csv format. Then go to ODBC Administrator on windows machine where you BI server is running, and create an System DSN and select "Microsft Access Text Driver (*.txt, *.csv)" as driver type.
Next, import tables in RPD using this ODBC connection. Rest of the steps as same as building model from a table source.
Hope this helps. -
Translating Excel query into flat file(.CSV)
Hi,
I have a requirement where i need the Excel Queries to be displayed in Flat file(.CSV) format.
To be more clear i have an excel query but my client requires this query to be displayed in a Flat file format. Can someone explain me how i can acheive this.
ThanksHi All,
Thanks for all the information provided by i missed mentioning one point, actually thse queries are to be automatically schedule. the requirement is like this i need to bring to extract data and build queries export it as a .CSV file these queries are not end user queries so they have to be automatically scheduled and will be picked up by an interface so they do some mapping with the .CSV file we provide.
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Hi all,
I need to export a table data to a flat file.
But the problem is that the data is huge about 200million rows occupying around 60GB of space
If I use SQL*Loader in Toad, it is taking huge time to export
After few months, I need to import the same data again into the table
So please help me which is the efficient and less time taking method to do this
I am very new to this field.
Can some one help me with this?
My oracle database version is 10.2
Thanks in advanceOK so first of all I would ask the following questions:
1. Why must you export the data and then re-import it a few months later?
2. Have you read through the documentation for SQLLDR thoroughly ? I know it is like stereo instructions but it has valuable information that will help you.
3. Does the table the data is being re-imported into have anything attached to it eg: triggers, indices or anything that the DB must do on each record? If so then re-read the the sqlldr documentation as you can turn all of that off during the import and re-index, etc. at your leisure.
I ask these questions because:
1. I would find a way for whatever happens to this data to be accomplished while it was in the DB.
2. Pumping data over the wire is going to be slow when you are talking about that kind of volume.
3. If you insist that the data must be dumped, massaged, and re-imported do it on the DB server. Disk IO is an order of magnitude faster then over the wire transfer. -
Query using flat file in the FROM Statement
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I know the following doesn't work but I was wondering if there is something out there that would allow me to do something like the following?
example:
SELECT a.COL1, a.COL2, ff.COLa, FF.COLb
FROM apple a, c:\temp\flat_file.csv ff
WHERE a.COLa=ff.COLa
db version - 10g
OS - Windows XP Pro
Thanks in Advance!user9339442 wrote:
I have a flat file that contains about 10k rows that I need to join to a table with 2million plus rows. My problem is I cannot load the flat file into a Oracle table or create a new table to contain the 10k rows because I lack of permissions to create table on my user account. I have tried using MS-Access to query the two tables using ODBC, but the query times were horribly slow and would time out. I was curious if there is a way of calling the flat file as a table in my SQL statement from Oracle?
I know the following doesn't work but I was wondering if there is something out there that would allow me to do something like the following?
example:
SELECT a.COL1, a.COL2, ff.COLa, FF.COLb
FROM apple a, c:\temp\flat_file.csv ff
WHERE a.COLa=ff.COLa
db version - 10g
OS - Windows XP Pro
Thanks in Advance!Is there some reason you cannot get the data loaded into the local database?
If you absolutely cannot (either through creating and loading objects, or having someone else do it for you) i would likely recommend installing your own database (Oracle XE is free and will easily handle your flat file)
http://www.oracle.com/technetwork/database/express-edition/downloads/index.html
I would install that, load your data into a schema you create, and then create a database link to the remote database and use that in your query.
I would highly push you to work with the administrators of the database though and get them to set you up a schema where you can create objects (with access to the objects in other schemas that you require, if only read permitted). -
Export SQL View to Flat File with UTF-8 Encoding
I've setup a package in SSIS to export a SQL view to a flat file and it's working fine. I now need to make that flat file UTF-8 encoded. The package executes but still shows the files as ANSI encoded.
My package consists of a Source (SQL View) -> Derived Column (casts the fields to DT_WSTR) -> Destination Flat File (Set to output UTF-8 file).
I don't get any errors to help me troubleshoot further. I'm running SQL Server 2005 SP2.Unless there is a Byte-Order-Marker (BOM - hex file prefix: EF BB BF) at the beginning of the file, and unless your data contains non-ASCII characters, I'm unsure there is a technical difference in the files, Paul.
That is, even if the file is "encoded" UTF-8, if your data is only ASCII values (decimal values 0-127, hex 00-7F), UTF-8 doesn't really serve a purpose over ANSI encoding. Now if you're looking for UTF-8 with specifically the BOM included, and your data is all standard ASCII, the Flat File Connection Manager can't do that, it seems.
What the flat file connection manager is doing correctly though, is encoding values that are over decimal 127/hex 7F in UTF-8 when the encoding of the connection manager is set to 65001 (UTF-8).
Example:
Input data built with a script component as a source (code at the bottom of this post) and with only one WSTR output column hooked to a flat file destination component:
a string containing only decimal value 225 (german Eszett character - ß)
Encoding set to ANSI 1252 looks like:
E1 0D 0A (which is the ANSI encoding of the decimal character value 225 (E1) and a CR-LF (0D 0A)
Encoding set to UTF-8 65001 looks like:
C3 A1 0D 0A (which is the UTF-8 encoding of the decimal character value 225 (C3 A1) and a CR-LF (0D 0A)
Note that for values over decimal 127, UTF-8 takes at least two bytes and up to four for the remaining values available.
So, I'm comfortable now, after sitting down and going through this, that the flat file connection manager is working correctly, unless you need a BOM.
1
Imports System
2
Imports System.Data
3
Imports System.Math
4
Imports Microsoft.SqlServer.Dts.Pipeline.Wrapper
5
Imports Microsoft.SqlServer.Dts.Runtime.Wrapper
6
7
Public Class ScriptMain
8
Inherits UserComponent
9
10
Public Overrides Sub CreateNewOutputRows()
11
Output0Buffer.AddRow()
12
Output0Buffer.col1 = ChrW(225)
13
End Sub
14
15
End Class
Phil -
Export records into a flat file
Hi...
I have to export some tables into a flat file. The output must be like this:
insert into table (col1, col2.....) value (one, two......)
insert into table (col1, col2.....) value (one, two......)
insert into table (col1, col2.....) value (one, two......)
how can I do that.......with PLSQL code?
Thanks
Message was edited by:
marckcosI got this package : and I got the follwing error:
4:35:19 PM Execution failed: ORA-20011: GENERATE_STMT Error in populating file. Message: ORA-00904: "CHANGE_DATATYPE": invalid identifier
What can I do?
CREATE OR REPLACE PACKAGE BODY UTILITY
IS
-- VARIABLES USED by PROCEDURE generate_stmt
-- File Related PACKAGE Variable
cmn_file_handle UTL_FILE.file_type;
PROCEDURE close_file
IS
BEGIN
UTL_FILE.FCLOSE (cmn_file_handle);
EXCEPTION
WHEN UTL_FILE.INVALID_FILEHANDLE THEN
RAISE_APPLICATION_ERROR(-20003, 'File handle was invalid');
WHEN UTL_FILE.INVALID_PATH THEN
RAISE_APPLICATION_ERROR(-20004, 'Invalid path for file');
WHEN OTHERS THEN
RAISE_APPLICATION_ERROR(-20005, 'CLOSE_FILE Error in creating file. Message: ' || SQLERRM);
END close_file;
PROCEDURE open_file (
prm_output_folder IN VARCHAR2,
prm_output_file IN VARCHAR2)
IS
BEGIN
cmn_file_handle := UTL_FILE.FOPEN (prm_output_folder, prm_output_file, 'a', 32767);
EXCEPTION
WHEN UTL_FILE.INVALID_FILEHANDLE THEN
close_file;
RAISE_APPLICATION_ERROR(-20000, 'File handle was invalid');
WHEN UTL_FILE.INVALID_PATH THEN
close_file;
RAISE_APPLICATION_ERROR(-20001, 'Invalid path for file');
WHEN OTHERS THEN
close_file;
RAISE_APPLICATION_ERROR(-20002, 'OPEN_FILE Error in creating file. Message: ' || SQLERRM);
END open_file;
FUNCTION change_datatype (
prm_value IN VARCHAR2,
prm_data_type IN VARCHAR2)
RETURN VARCHAR2
IS
BEGIN
IF prm_value IS NULL THEN
RETURN ('NULL');
END IF;
IF prm_data_type = 'C' THEN
IF INSTR(prm_value, CHR(10)) > 0 THEN
RETURN ('REPLACE(' || '''' || REPLACE (prm_value, CHR(10), CHR(977)) || '''' || ', CHR(977), CHR(10))');
END IF;
ELSIF prm_data_type = 'D' THEN
RETURN ('TO_DATE(' || '''' || prm_value || '''' || ', ' || '''' || 'DD-MON-YYYY HH24:MI:SS' || '''' || ')');
ELSIF prm_data_type = 'N' THEN
RETURN (prm_value);
END IF;
RETURN ('''' || prm_value || '''');
EXCEPTION
WHEN OTHERS THEN
RAISE_APPLICATION_ERROR(-20002, 'CHANGE_DATATYPE Error in Converting DataType. Message: ' || SQLERRM);
END change_datatype;
PROCEDURE generate_stmt (
prm_table_name IN VARCHAR2,
prm_where_clause IN VARCHAR2,
prm_output_folder IN VARCHAR2,
prm_output_file IN VARCHAR2)
IS
TYPE ref_cols IS REF CURSOR;
mmy_ref_cols ref_cols;
mmy_column_name VARCHAR2(100);
mmy_column_data_type VARCHAR2(1);
mmy_col_string VARCHAR2(32767);
mmy_query_col_string VARCHAR2(32767);
BEGIN
IF prm_table_name IS NULL OR
prm_output_folder IS NULL OR
prm_output_file IS NULL THEN
RAISE_APPLICATION_ERROR(-20012, 'Invalid Argument Passed');
END IF;
OPEN mmy_ref_cols
FOR SELECT LOWER(column_name) column_name,
DECODE (data_type, 'VARCHAR2', 'C', 'CHAR', 'C', 'LONG', 'C', 'NUMBER', 'N', 'DATE', 'D') data_type
FROM user_tab_columns
WHERE table_name = UPPER(prm_table_name)
ORDER BY column_id;
LOOP
FETCH mmy_ref_cols INTO mmy_column_name, mmy_column_data_type;
EXIT WHEN mmy_ref_cols%NOTFOUND;
mmy_col_string := mmy_col_string || mmy_column_name || ', ';
IF mmy_column_data_type = 'D' THEN
mmy_query_col_string := mmy_query_col_string || 'change_datatype(' || 'TO_CHAR(' || mmy_column_name || ', ' || '''' || 'DD-MON-YYYY HH24:MI:SS' || '''' || ')' || ', ' || '''' || mmy_column_data_type || '''' || ') || ' || '''' || ', ' || '''' || ' || ';
ELSIF mmy_column_data_type IN ('N', 'C') THEN
mmy_query_col_string := mmy_query_col_string || 'change_datatype(' || mmy_column_name || ', ' || '''' || mmy_column_data_type || '''' || ') || ' || '''' || ', ' || '''' || ' || ';
END IF;
END LOOP;
CLOSE mmy_ref_cols;
IF mmy_col_string IS NOT NULL AND
mmy_query_col_string IS NOT NULL THEN
IF NOT UTL_FILE.IS_OPEN(cmn_file_handle) THEN
open_file(prm_output_folder, prm_output_file);
END IF;
mmy_col_string := 'INSERT INTO ' || LOWER(prm_table_name) || ' (' || CHR(10) || CHR(9) || CHR(9) || mmy_col_string;
mmy_col_string := RTRIM (mmy_col_string, ', ');
mmy_col_string := mmy_col_string || ')' || CHR(10) || 'VALUES ( ' || CHR(9);
mmy_query_col_string := RTRIM (mmy_query_col_string, ' || ' ||'''' || ',' || '''' || ' || ') || ' one_pare';
OPEN mmy_ref_cols
FOR ' SELECT ' || mmy_query_col_string ||
' FROM ' || prm_table_name ||
' ' || prm_where_clause;
LOOP
FETCH mmy_ref_cols INTO mmy_query_col_string;
EXIT WHEN mmy_ref_cols%NOTFOUND;
mmy_query_col_string := mmy_query_col_string || ');';
UTL_FILE.put (cmn_file_handle, mmy_col_string);
UTL_FILE.put_line (cmn_file_handle, mmy_query_col_string);
END LOOP;
CLOSE mmy_ref_cols;
If UTL_FILE.IS_OPEN(cmn_file_handle) THEN
close_file;
END IF;
END IF;
EXCEPTION
WHEN UTL_FILE.INVALID_FILEHANDLE THEN
IF mmy_ref_cols%ISOPEN THEN
CLOSE mmy_ref_cols;
END IF;
close_file;
RAISE_APPLICATION_ERROR(-20009, 'File handle was invalid');
WHEN UTL_FILE.INVALID_PATH THEN
IF mmy_ref_cols%ISOPEN THEN
CLOSE mmy_ref_cols;
END IF;
close_file;
RAISE_APPLICATION_ERROR(-20010, 'Invalid path for file');
WHEN OTHERS THEN
IF mmy_ref_cols%ISOPEN THEN
CLOSE mmy_ref_cols;
END IF;
close_file;
RAISE_APPLICATION_ERROR(-20011, 'GENERATE_STMT Error in populating file. Message: ' || SQLERRM);
END generate_stmt;
END utility;
############################################################ -
Exporting the report as flat file using the layout defined
Hi all,
I am creating a report program using REUSE_ALV_LIST_DISPLAY with flat file extraction using WS_DOWNLOAD. In the selection-screen, a checkbox which indicates that the report must be exported as flat and a parameter for the layout exist. The user wants the result of the flat file to be the same as the layout of the report. In my program, the flat file processing is prior to displaying the ALV. I've been searching a FM which can get the fieldcatalog of a layout but so far, I haven't found one. If I found one, I will just create a dynamic table which will be passed to WS_DOWNLOAD.
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Invalid data format on EXPORTING table to SQL-FLAT FILE (Insert type)
Hi there!
Writing from Slovenia/Europe.
Working with ORACLE9i (standard version) on Windows XP with SQL-deloper 1.0.0.015.
FIRST SQL.-DEVELOPER IS GOOD TOOL WITH SOME MINOR ERRORS.
1.) Declare and Insert data EXAMPLE
drop table tst_date;
create table tst_date (fld_date date);
insert into tst_date values (sysdate);
insert into tst_date values (sysdate);
2.) Retriving date with SQLPLUS
SQL> select to_char(fld_date,'DD.MM.YYYY HH24:MI:SS') FROM TST_DATE;
23.10.2006 11:25:23
23.10.2006 11:25:25
As you see TIME DATA IS CORRECT.
When I EXPOPRT data TO SQL-insert type I got this result IN TST_DATE.SQL file:
-- INSERTING into TST_DATE
Insert into "TST_DATE" ("FLD_DATE") values (to_date('2006-10-23','DD.MM.RR'));
Insert into "TST_DATE" ("FLD_DATE") values (to_date('2006-10-23','DD.MM.RR'));
As you seel I lost TIME DATA.
QUESTION!
HOW CAN I SET PROPER DATE FORMAT IN SQL-DEVELOPER BEFORE I EXPORT DATA TO FLAT FILE.
Best regards, Iztok from SLOVENIA
Message was edited by:
DEKUSA DATE-Field, is a DATE-Field and not a
DATE-TIME-Field.
The export-tool identifies a DATE-Field and exports
the data into date-format.This is not true. Oracle DATE fields include a time element.
To the original poster - I believe this is a bug in the current version.
See this thread for possible workarounds Bad Export format --- BUG ???
Message was edited by:
smitjb -
Export CLOB data in flat file from oracle 8i
hi,
I am in a bad situation. The oracle system crashed and i am trying to retrieve from backup. The backup was hot online backup and for some reason didnt happen correctly. Only thing remaining is DBF and redo log. I somehow managed to recreated the control files. But i cannot login to oracle using sqlplus using any user. Only thing that works is server manager and connect as internal.
Now i need to retrieve data from tables having CLOB data to a flat file.
Any suggestions?
using oracle 8.1.The backup was hot online backup and for some reason didnt happen correctly.How did you verify this?
But i cannot login to oracle using sqlplus using any userDo you get any error? -
APD from query to flat file - Results not correct
Hi All,
Need your help to resolve the issue.
I am using APD with query as source and target as file download.
For small sets of data the reults are dowloaded correct, howver if there is a large set more than 30K records the results dowloaded are incorrect.
BEX results are fine, the issue is only with APD dowload.
Appreciate all your responses at the earliest.i
Thanks
HariHi Hari,
By using the tcode RSCRM_BAPI you can Extract the date into Table or CSV file or save the file to the Application server .
please check the below link:
https://websmp103.sap-ag.de/~sapdownload/011000358700004400232004E/HowToRSCRM_BAPI.pdf
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Help Export TABLE Records into Flat File with INSERTs - error
Hi,
When i'm trying to run this procedure I got this error:
ORA-00932:inconsistent datatypes: expected - got -
Can anybody tell me why?
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CREATE OR REPLACE PROCEDURE generate_stmt(prm_table_name IN VARCHAR2,
prm_where_clause IN VARCHAR2,
prm_output_folder IN VARCHAR2,
prm_output_file IN VARCHAR2) IS
TYPE ref_cols IS REF CURSOR;
mmy_ref_cols ref_cols;
mmy_column_name VARCHAR2(100);
mmy_column_data_type VARCHAR2(1);
mmy_col_string VARCHAR2(32767);
mmy_query_col_string VARCHAR2(32767);
V_FILE_HNDL UTL_FILE.file_type;
begin
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SELECT LOWER(column_name) column_name
FROM user_tab_columns
WHERE table_name = UPPER(prm_table_name)
ORDER BY column_id;
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FETCH mmy_ref_cols
INTO mmy_column_name;
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mmy_col_string := mmy_col_string || mmy_column_name || ', ';
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mmy_col_string := 'INSERT INTO ' || LOWER(prm_table_name) || ' (' ||
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mmy_col_string := RTRIM(mmy_col_string, ', ');
mmy_col_string := mmy_col_string || ')' || CHR(10) || 'VALUES ( ' ||
CHR(9);
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' || ' || '''' || ',' || '''' || ' || ');
dbms_output.put_line(mmy_column_name);
OPEN mmy_ref_cols
FOR ' SELECT ' || mmy_query_col_string ||
' FROM ' || prm_table_name ||
' ' || prm_where_clause;
loop
FETCH mmy_ref_cols
INTO mmy_query_col_string;
EXIT WHEN mmy_ref_cols%NOTFOUND;
mmy_query_col_string := mmy_query_col_string || ');';
UTL_FILE.PUT_LINE(V_FILE_HNDL, mmy_col_string);
UTL_FILE.PUT_LINE(V_FILE_HNDL, mmy_query_col_string);
end loop;
end;Buddy,
Try this..
CREATE OR REPLACE PROCEDURE generate_stmt
(prm_table_name IN VARCHAR2,
prm_where_clause IN VARCHAR2,
prm_output_folder IN VARCHAR2,
prm_output_file IN VARCHAR2) IS
TYPE ref_cols IS REF CURSOR;
mmy_ref_cols ref_cols;
mmy_column_name VARCHAR2(100);
mmy_column_data_type VARCHAR2(1);
mmy_col_string VARCHAR2(32767);
mmy_query_col_string VARCHAR2(32767);
V_FILE_HNDL UTL_FILE.file_type;
begin
OPEN mmy_ref_cols FOR
SELECT LOWER(column_name) column_name
FROM user_tab_columns
WHERE table_name = UPPER(prm_table_name)
ORDER BY column_id;
LOOP
FETCH mmy_ref_cols
INTO mmy_column_name;
EXIT WHEN mmy_ref_cols%NOTFOUND;
mmy_col_string := mmy_col_string || mmy_column_name || ', ';
mmy_query_col_string := mmy_query_col_string || ' ' || mmy_column_name || ',';
END LOOP;
CLOSE mmy_ref_cols;
mmy_col_string := 'INSERT INTO ' || LOWER(prm_table_name) || ' (' ||CHR(10) || CHR(9) || CHR(9) || mmy_col_string;
mmy_col_string := RTRIM(mmy_col_string, ', ');
mmy_col_string := mmy_col_string || ')' || CHR(10) || 'VALUES ( ' ||CHR(9);
mmy_query_col_string := RTRIM(mmy_query_col_string,' || ' || '''' || ',' || '''' || ' || ');
V_FILE_HNDL := UTL_FILE.FOPEN('TEST','TESST.TXT', 'W');
OPEN mmy_ref_cols FOR 'SELECT ' || mmy_query_col_string ||' FROM ' || prm_table_name ||' ' || prm_where_clause;
loop
FETCH mmy_ref_cols INTO mmy_query_col_string;
EXIT WHEN mmy_ref_cols%NOTFOUND;
mmy_query_col_string := mmy_query_col_string || ');';
UTL_FILE.PUT_LINE(V_FILE_HNDL, mmy_col_string);
UTL_FILE.PUT_LINE(V_FILE_HNDL, mmy_query_col_string);
end loop;
UTL_FILE.FCLOSE(V_FILE_HNDL);
END;
This would work for table with one and only one column.
Look at the line below:
FETCH mmy_ref_cols INTO mmy_query_col_string;
mmy_query_col_string has been declared as string...So it would hold single value only.That's the reason when you try this block on table with more than one column,mmy_query_col_string would've to hold a table row type data which it would not...
Good luck!!
Bhagat -
I am VERY new to Oracle and SQL Plus. I've been tasked with automating a query to run unattended daily to export data and store it in a flat file with structured naming convention (CC_MMDDYY.exp). I need to have it be able to an "on demand" query to flat file too. Any help would be appreciated.
You should further specify and break down your goals in at least two tasks, one for the export and the other for the ascii dump (that's what it seems to be your goal), and don't expect to get the 'magic' script from the forum.
In order for you to be able to get ascii dumps from a table you should be able to master the SET commands in sqlplus CLI so this tool can SPOOL the output to an ascii text file without 'garbage' in a tabular format, or in a variable size record format.
Next you should schedule it, if you are on unix by means of cron, and if you are on windows by means of the windows scheduler.
~ Madrid
http://hrivera99.blogspot.com/
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