Can HINT Append Generate Error
Mar 1, 2007
I've got SQL code generated by an HP tool to make an update of itself. This code is not modifiable because was execute 'in background' from the tool updater.
The macro operations made by the updater (through sql code) are:
--create a copy of actual table and rename with '_old' suffix
--create new table, with indexes and constraints
--insert data into new table from old tables
Now, only in one table, when the data were inserted, an ORA-00001: unique constraint (ASSET_SVIL.CFG_CFGSECTIONCFGE) violated, appear.
To insert data is used an insert/select statement with an HINT /* APPEND */. We verify all the data existing in the old table (that is the data to 'migrate') but there aren't duplicate record!
BUT IF WE REMOVE THE HINT /* APPEND */, THE INSERT/SELECT STATEMENT WORKS WITHOUT GENERATE ERRORS!!
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Sep 16, 2002
while trying to generate a PDF or HTML file from a report previewer, I came upon a REP-0999 error message and the previewer was closed!
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Mar 29, 2012
I'm very happy about materialize hint and I use it a lot. But is it possible to set some hint indicating that I want to materialize some inline view results (temp table transformation) as IOT (index organized table)?
IOT must have primary key. Ok, could it be all the columns in listing order? That would convenient. I know I can use global temporary with index, but this forces me to split one statement into parts.
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Jan 3, 2012
I have been told that i should use multiple's of 4 as degree in the parallel hint to get maximum performance, so i am wondering is it true? that i should always use multiples of 4 or i can use any number inside the parallel hint.
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Mar 31, 2011
I have a SQL query where I am making UNION of two select statements. The table that I am joining in each select statement have indexes defined for those tables.
Now the UNION of the two select statements again in enclosed in an inline view , from which I fetching my final field values.
The select statements inside the inline view returns huge number of row (like 50 million rows).
The whole query fails with time out.
How can I optimize this query further?
Is there a way to pass Oracle Hints so that Oracle uses indexes?
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Jun 1, 2010
I have been asked to rewrite the following update statement without using the hint BYPASS_UJVC.
l_new_CFT_ID CASHFLOW_TYPE.CFT_ID%TYPE;
if (l_Record > 0) then
-- since at least 1 loan was found with the old type, process the actual update
update /*+BYPASS_UJVC*/ (
select
cfa.CFA_CFT_ID
[code]......
I think I am supposed to be using the Merge statement but I am not sure on how to go about it.
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Jul 14, 2010
I have a query with FULL hint that is behaving in a strange manner. The query fetches around 700000 of data. Sometimes it fetches the data with the hint and sometimes it does not fetch any data with the hint and then I have to remove the hint and have to fetch the data. Below is the query,
select /*+ FULL(COMP_TM) FULL(TRANS_TM) FULL(INVC_TM) */
CUST_BE_ID ,
DISTR_BE_ID ,
FG_BE_ID ,
KIT_BE_ID ,
BG_ID_NO_BE_ID ,
[code]....
The statistics gathering activity of FACT_DLY_ALGND_SLS table takes around 5 hours to complete. It is a range partitioned table with subpartitions.
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Nov 7, 2011
I am trying to understand "ordered" hint. I want to use it in my sql where I am using some left outer joins. I believe if I use this ordered hint it will be much faster.
But the problem is I am not able to understand the concept of this hint. As i did alot of search on this eveyone says it will be , even I got some similar references where it worked But I am getting contradicting explanation for on this.
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Jun 26, 2013
I am writing below MERGE statement. In this cardinality between table_a and table_b is 1:2. I.e. each record in table_b corresponds to 2 records in table_a based on columns in ON clause.
Well this query throws below error.
----Error---
ORA-12801: error signaled in parallel query server P011
ORA-30926: unable to get a stable set of rows in the source tables
However, the same statement executes successfully when PARALLEL hint is removed altogether. (There are no duplicates in table_b based on unit,group,loc columns.)
-----Query--------
MERGE /*+ PARALLEL(8) */
INTO table_a a
USING table_b b
ON (a.unit = b.unit AND a.group = b.group AND a.loc = b.loc)
[Code]....
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Nov 14, 2011
Perhaps this is a common request : I have 2 tables:
Table A
-------
ID Value
1 a
2 b
3 c
Table B
-------
ID AnotherValue
1 x
2 y
I am hoping to append a column from Table B to Table A based on a simple sql join (e.g:
Table A
ID Value AnotherValue
1 a x
2 b y
3 c (null)
)
I would rather stay away from the standard update statement since it takes far to long and I'd prefer not to use create table as I don't want to duplicate any data...is this possible to do ? (e.g: just insert the columns into this table ?) - or if it's possible the performance overhead just wouldn't make it worth it ?
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Oct 11, 2012
Declare
Cursor c1...;
Cursor c2...;
begin
open c1 ;
fecth c1 bulk collect into v1;
close c1;
[Code]...
Is there any way by which if condition gets true then v1 gets appended rather than being overwritten?
declare
type lst_deptno is table of dept.deptno%type index by binary_integer;
type lst_deptno_emp is table of emp.deptno%type index by binary_integer;
v_deptno lst_deptno;
v_deptno_emp lst_deptno_emp;
cursor c1 is select deptno from dept;
[Code]...
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Jan 4, 2013
if the same name repeating it should to append with _1 and _2 until same name reached.
select 'fname' name from dual
union all
select 'lname' name from dual
union all
select 'email' name from dual
union all
select 'fname' name from dual
union all
select 'fname' name from dualmy output should be like below...
fname
lname
email
fname_1
fname_2
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Feb 14, 2013
I am just looking to my control file that I have. I have managed to successfully get my control file to load data into the required tables but just for my learning I was trying to amend the when clause with an and condition but keep getting an error.
My code:
OPTIONS (DIRECT=TRUE, ERRORS=0, SKIP=1)
load data
infile 'A:/My Files/Feeds/20130211/data_summary_1_20131214.txt' "STR '
'"
APPEND
into table I_DATA_1
WHEN (RID <> 'RID')
fields terminated by "~|~" optionally enclosed by '"'
TRAILING NULLCOLS
(
RID,
S_TIMESTAMP timestamp 'DD-MON-RR HH:MI:SS.FF3 PM'
)
the above code works perfectly but if i change the following line:
WHEN (RID <> 'RID' AND 'S_TIMESTAMP' IS NOT NULL)than this gives me an error.
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Feb 13, 2013
I have a requirement when I need to append and show the contents of a CLOB (rich text) column into the Open office report.
The use case is as below.
User(s) can enter the details into a CLOB column.
This data entered by each user need to be concatenated onto another CLOB column which will hold all the history of changes. Mainly i wanted to perform a concatenation of these two columns.
|
| User Entered | Stored |
| Data Stored in Clob Column 1| Data Stored in Clob Column 2 |
| v_clob_1 | v_clob_target |
-------------------------------------------------------------------------------
|"Text 1" and a image |"Text 1" and a image |
-------------------------------------------------------------------------------
Any method to achieve this case. I had tried the following method to achieve this. But no success.
v_merge clob;
v_clob_target clob;
v_clob_1 clob;
1)
DBMS_LOB.APPEND(v_merge, v_clob_target);
DBMS_LOB.APPEND(v_merge, v_clob_1);
2)
DBMS_LOB.APPEND(v_clob_target, v_clob_1);
3)
v_merge:= v_clob_target || ''|| v_clob_1;
v_clob_target := v_merge;
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Aug 8, 2011
Have got ddl of index,but it is not append ';' end of each index,how to append ';' by auto.
Select
Dbms_Metadata.Get_Dependent_Ddl(Object_Type => 'INDEX',
Base_Object_Name => 'TB_HXL_USER')
From Dual
result:
[Code].....
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May 9, 2013
Version: 11.2.0.3
Platform : RHEL 5.8 (But I am looking for platform independant solution)
I want to append the timestamp to spooled log file name in SQL*Plus.The spooled log filename should look like
WMS_APP_23-March-2013.logI tried the following 3 methods found in the google. But none of them worked !
I tried this
col sysdt noprint new_value sysdt_var
SELECT TO_CHAR(SYSDATE, 'yyyymmdd_hh24miss') sysdt FROM DUAL;
spool run_filename_&sysdt_var.Logas suggested in
[URL]
and this
spool filename with timestamp
col sysdt noprint new_value sysdt
SELECT TO_CHAR(SYSDATE, 'yyyymmdd_hh24miss') sysdt FROM DUAL;
spool run_filename_&sysdt..Logas suggested in
[URL]
and this
column tm new_value file_time noprint
select to_char(sysdate, 'YYYYMMDD') tm from dual ;
prompt &file_time
spool logfile_id&file_time..logas suggested in
Creating a spool file with date/time appended to file name
None of the above worked in RHEL or MS DOS.
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Aug 28, 2013
Does parallel hint works in cursor queries? The cursor query is something like :
cursor c is
select /*+ parallel(s,8) */
from table ref_tab s ---- >>
<where condition>;
The table ref_tab hold data for a single day at any point of time and gets truncate before loading the next days data.On average the table holds around 7 million rows and doesn't contains any index (think that's fine as all together we are loading the whole set).And, we are using bulk logic with save exceptions to open the cursor and load the data into the target table.
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Mar 31, 2011
I have a SQL query where I am making UNION of two select statements. The table that I am joining in each select statement have indexes defined for those tables.
Now the UNION of the two select statements again in enclosed in an inline view , from which I fetching my final field values.
The select statements inside the inline view returns huge number of row (like 50 million rows).
The whole query fails with time out.
Is there a way to pass Oracle Hints so that Oracle uses indexes?
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Sep 25, 2013
select
serialnumber from product where productid in
(select /*+ full parallel(producttask 16) */productid from producttask where
startedtimestamp > to_date('2013-07-04 00:00:00', 'YYYY-MM-DD HH24:MI:SS')
and startedtimestamp < to_date('2013-07-05 00:00:00', 'YYYY-MM-DD HH24:MI:SS')
and producttasktypeid in
[code]....
Explain plan output:
Plan hash value: 2779236890
-----------------------------------------------------------------------------------------------------------------------------------------
| Id | Operation | Name| Rows| Bytes | Cost (%CPU)| Time| Pstart| Pstop |
-----------------------------------------------------------------------------------------------------------------------------------------
| 0 | SELECT STATEMENT || 1 | 29 | 9633M (8)|999:59:59 |||
|* 1 | FILTER |||| ||||
| 2 | PARTITION RANGE ALL || 738M| 19G| 6321K (1)| 21:04:17 | 1 | 6821 |
[code]....
Predicate Information (identified by operation id):
---------------------------------------------------
1 - filter( EXISTS (<not feasible>)
4 - filter("PRODUCTID"=:B1)
5 - filter(ROWNUM<100)
12 - access("MODELID"=:B1)
[code]....
Note: - SQL profile "SYS_SQLPROF_014153616b850002" used for this statement
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Aug 6, 2011
INSERT /*+ APPEND */
INTO sales_fact
SELECT *
FROM customer_sales_fact_staging
ORDER BY time_wh_id;
COMMIT;
[URL]
Suppose in the above case
SELECT *
FROM customer_sales_fact_staging
ORDER BY time_wh_id;
returns a huge number say more than 10 million or 50 million
will the commit work(one single transaction)
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Jan 24, 2012
I have following table: tab1
id configured_size current_size percentage
1 500 100 20
2 300 100 33
... ... ...
When I launch select * from tab1 I get :
id configured_size current_size percentage
1 500 100 20
2 300 100 33
... ... ...
My question is is there any way how to edit the abovementioned select to get something like :
id configured_size current_size percentage
java_eml 500 100 20%
java_hdl 300 100 33%
... ... ...
I want to append two things:
sign of % in row percentage
when id =1 then in output have java_eml
when id =2 then in output have java_hdl
The problem is I cant update the table (not sufficient rights) so is there any way how to adapt that output?
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Aug 3, 2011
I want to know which is the most efficient insert method among the followiing
1)using the hint append
or
2)bulk collect. Preferably I'd like to know which method of inserting for say 2-5 millions rows is the best.
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Jun 25, 2010
Am extracting data from a database and putting them in 2 different utl_files. In the end i want to append or merge the 2 utl_files to one file.
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Aug 16, 2012
I have an APP that truncates tables and loads data, which in turn makes the stats stale. I ran the query advisor (see attachment) and of course it ecommends running stats or accept a profile.I really don't want to do that as it may cause a load on my DB.
In turn, I would like to consider having my APP team change the query to pass a hint to use the best query plan.syntax to pass the hint to emulate good attached plan? Or is this a bad way to proceed?
select /* INDEX FAST FULL SCAN PK_PLACEMENT_REQUEST_QUEUE */
sum(lastshares) as "ROSEN"
from nyeo.fix_exec_reports fer, nyeo.placement_request_queue q,
nyeo.nyeo_block_control bc
where fer.clordid = q.sequence_number
and q.blockid = bc.blockid
and upper(bc.deskname) like '%ROSEN%'
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May 27, 2011
Im trying to replicate a set of rows multiple times to create large volume. I am trying by For Loop, but got confused how to pass the parameters in any cursor i declare.
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Feb 4, 2012
Im having mail content column of type long Raw in a table.i just want concat or append a value in that column when i tried it shows error "illegal use of long type".how to append value to it. value will be string type
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Apr 9, 2013
I have a query which returns nearly 20k rows, as per the requiremnet we need to append all these rows in specific format and insert into single clob column.in the below procedure test_clob.textt is clob field.
CREATE OR REPLACE PROCEDURE pro_test
v_mas_seq NUMBER (9);
v_gov_total NUMBER (20, 2);
v_emp_total NUMBER (20, 2);
v_text_exp CLOB;
v_pageaccess VARCHAR2 (15);
v_dto NUMBER (7) := 4011486;
v_batchno NUMBER (20) :=
[code]....
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Aug 9, 2010
I've created a materialized view log on table with the following statement:
CREATE MATERIALIZED VIEW LOG ON table_a
WITH ROWID, SEQUENCE (column_a, column_b, column_c)
INCLUDING NEW VALUES;
The insert is done with the following statement:
INSERT
/*+ APPEND PARALLEL("table_a") */
INTO
"table_a"
("column_a",
"column_b",
"column_c",
"column_d_sum")
(select
column_a",
"column_b",
"column_c",
"column_d_sum"
from table_B)
But the Log is empty when the insert is finished. When I insert rows without the APPEND hint, rows are created in the log table. So, doesn't the log record bulk loads?
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Oct 20, 2011
does parallel hint in query can create bottleneck/Slowdown/crash database..??
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Aug 18, 2010
My requirement is to export Oracle table's data into an already existing excel file with Macros (.xlsm) using a procedure. I am able to write/append the data into the simple .xls file. But I am searching whether any way of appending into .xlsm file. "how can we append the data into a Macro-enabled excel file?".
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