Query with trim function running more than 15 hours..
Hi,
I have one select query which is running more than 15 hours.I have many trim() functions in that.and i have index for some columns for the tables that i used in that query.but it is not considering those indexes..
select
DISTINCT
trim(A.x) x,
trim(B.y) y,....... from A,B
Can anyone tell why this query is taking more time?and is there any other way for using the trim function?
Thanks in advance..
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Regards,
K.
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What is the bester choice ? drop the indexes on the table before insert, start the insert without fetching the data in cursor ?
nb: sorry for my bad english
Best regards
Catherine Andre
@mail: [email protected]user4443606 wrote:
Thanks for your reply !
I'll try to grow the undo tbs space but i stay convinced that the problem is in the query.You can be convinced & wrong at the same time.
row by row INSERT is slow by slow.
It can be done as single INSERT; but that won't change the amount of UNDO that is required. -
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SELECT COUNT(*)
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snurk_cmms_csht001_rfs
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enc
ENCLAVE TOKEN: F0001B77B8 Enclave Type: Original Indep
Owning System: SYB1 Owning Job: DB27DIST
WLM Mode: Goal Enclave CPU Time 01:26:00.935
THREAD DETAIL
PLAN
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act
Thread Activity User Defined Functions
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CP CPU Utilization = 00.7% Elapsed Time (SQL) = 00:00:00.000
Total CP CPU Time = N/A SQL Events = 0
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ORA-28545: error diagnosed by Net8 when connecting to an agent
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Help in using listagg function for more than 8000 char.
Hi Friends,
Need you urgent help in using listagg function for more than 8000 char.
I did the below sample SQL and in "e_orig" and "d_orig" for upto 4000 char it is working fine but I have to use it for more than 8000 char. and it is giving error,
I checked the listagg function is having limitation of 4000 char.
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BluShadow wrote:
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ClobAggPrc - the custom aggregation method, CLOB output
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CREATE OR REPLACE TYPE char100_list_type AS TABLE OF VARCHAR2(100)
CREATE OR REPLACE PROCEDURE SimpleAggChr (x_out OUT VARCHAR2) IS
l_enames char100_list_type;
BEGIN
SELECT first_name || ' ' || last_name
BULK COLLECT INTO l_enames
FROM employees
ORDER BY salary;
FOR i IN 1..l_enames.COUNT LOOP
x_out := x_out || l_enames(i) || ',';
END LOOP;
END SimpleAggChr;
CREATE OR REPLACE PROCEDURE SimpleAggClob (x_out OUT CLOB) IS
l_enames char100_list_type;
BEGIN
SELECT first_name || ' ' || last_name
BULK COLLECT INTO l_enames
FROM employees
ORDER BY salary;
FOR i IN 1..l_enames.COUNT LOOP
x_out := x_out || l_enames(i) || ',';
END LOOP;
END SimpleAggClob;
SHO ERR
PROMPT ClobAggPrc
CREATE OR REPLACE PROCEDURE ClobAggPrc (x_out OUT CLOB) IS
BEGIN
SELECT clobagg(first_name || ' ' || last_name || ',')
INTO x_out
FROM employees
ORDER BY salary;
END ClobAggPrc;
SHO ERRand the driving script:
SET SERVEROUTPUT ON
SET TIMING ON
DECLARE
l_enames_c1 CLOB;
l_enames_c2 CLOB;
l_enames_v VARCHAR2(32767);
l_timer timer_set_type := timer_set_type ('Aggregation');
BEGIN
Utils.g_id := 'Aggregation';
SimpleAggChr (l_enames_v);
l_timer.Increment_Time ('SimpleAggChr');
ClobAggPrc (l_enames_c1);
l_timer.Increment_Time ('ClobAggPrc');
SimpleAggClob (l_enames_c2);
l_timer.Increment_Time ('SimpleAggClob');
DBMS_Output.Put_Line ('SimpleAggChr returned string of length ' || Length (l_enames_v));
DBMS_Output.Put_Line ('ClobAggPrc returned string of length ' || Length (l_enames_c1));
DBMS_Output.Put_Line ('SimpleAggClob returned string of length ' || Length (l_enames_c2));
l_timer.Write_Times;
END;
SET TIMING OFF
SET LINES 150
SET PAGES 1000
COLUMN id FORMAT A30
COLUMN line_text FORMAT A120
SELECT line_text
FROM output_log
WHERE id = 'Aggregation'
ORDER BY line_ind
/and the results:
SimpleAggChr returned string of length 5779
ClobAggPrc returned string of length 5779
SimpleAggClob returned string of length 5779
PL/SQL procedure successfully completed.
Elapsed: 00:00:27.05
LINE_TEXT
Timer Set: Aggregation, constructed at 03 Nov 2011 16:27:07, written at 16:27:35
================================================================================
[Timer timed: Elapsed (per call): 0.02 (0.000016), CPU (per call): 0.01 (0.000010), calls: 1000, '***' denotes corrected
line below]
Timer Elapsed CPU Calls Ela/Call CPU/Call
SimpleAggChr 9.84 0.36 1 9.84400 0.36000
ClobAggPrc 9.37 0.32 1 9.37400 0.32000
SimpleAggClob 8.25 0.22 1 8.25000 0.22000
(Other) 0.00 0.00 1 0.00000 0.00000
Total 27.47 0.90 4 6.86700 0.22500
13 rows selected. -
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I use F/F in a gaming situation I needed to be able to run more than one session at a time and read about a feature called multiple profiles. Then I read iin another forum that I could have multiple instances with the following bat file :
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Can Function Return more than One Values ??
Hi Experts,
I would like to ask you Can Function Return more than one values. I Used Function with Out and In out parameter and its working Fine..
1. what is harm using Out and In out parameter in function
2. if we can use Out and In out parameter in Function so what is deffernce between procedure and Function.
3. Is there any Other Way Though which we can return more the One values in Function.
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Thanks
Umesh GoelYes/No.
You can return multiple value from function. But, in PL/SQL and not in a SQL.
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SQL*Plus: Release 9.2.0.1.0 - Production on Wed Mar 28 17:41:15 2007
Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options
SQL> create or replace package glob
2 as
3 b varchar2(20);
4 c varchar2(20);
5 end;
6 /
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SQL>
SQL> create or replace function test_mul_out(a in number)
2 return number
3 is
4 cursor c1(eno in number)
5 is
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8 where empno = eno;
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10 rec c1%rowtype;
11 d number(10);
12 begin
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14 loop
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16 exit when c1%notfound;
17 glob.b:= rec.ename;
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22 return d;
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24 /
Function created.
SQL> set serveroutput on
SQL>
SQL> declare
2 zz number(10);
3 begin
4 select test_mul_out(7777)
5 into zz
6 from dual;
7
8 dbms_output.put_line('Ename: '||glob.b);
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10 dbms_output.put_line('Sal: '||zz);
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Ename: Avik
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Sal: 3456
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Can oracle function return more than one value
Hi All
please answer can oracle function return more than one value
need one schenario
regardsCan any function, irrespective of the language, return multiple values?
OF COURSE NOT!!
So why do you think Oracle will now suddenly do it differently than all other languages? Never mind that it is impossible for a function (a unit/module of code) returning a memory address, to return multiple memory addresses. The machine code that does that, has not been yet been designed/implemented.
I am continually amazed that this question is asked. It is about something so fundamental in almost every single 3rd and 4th generation language... something that is taught right at the start... the definition of what a procedure and what a function is.
Sorry, but I simply cannot pull punches on this subject and smooth it over. There is something fundamentally wrong with your training as a programmer if you have to ask such a question about a function.
And whatever programming skills you build on such a foundation, will be seriously lacking.
I kindly suggest that you get back to the very basics of programming - and review and revisit until you fully understand it. There are no shortcuts in becomming a good programmer.
Message was edited by:
Billy Verreynne -
Can I run more than two Mac OS X virtual guests on a Mac host?
The way I read the Mac OS X 10.10 Yosemite license (http://images.apple.com/legal/sla/docs/OSX1010.pdf), I am not allowed to run more than two (2) virtualized Yosemite guests on a Mac virtual host:
(iii) to install, use and run up to two (2) additional copies or instances of the Apple Software
within virtual operating system environments on each Mac Computer you own or control that is
already running the Apple Software, for purposes of: (a) software development; (b) testing during
software development; (c) using OS X Server; or (d) personal, non-commercial use.
There's no exception for running guests on a large Mac Pro, or anything like that.
I just want to confirm I'm interpreting this part of the license correctly? Thanks for any feedback!Don't think that this will work, despite PSE 8 not being that old. Undoubtedly some of the security and file system changes in OSX 10.7 and 10.8 are at play here thast the installer can't cope with... Consider getting PSE 11.
Mylenium
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