SQL & PL/SQL :: Open Cursor Statement Getting Stuck?
Apr 18, 2013
I would like to mention that I won't be able to give the data,specific information(like query or table names) about the issue as this concerns the privacy of some multinational company(where I work).
We have windows server and we are currently using Oracle 10g.
Issue-
We have a ProC, which has a SQL statement where it is trying to OPEN a cursor. The cursor query is huge and fetches data from 3 tables. 3 tables have 5k, 600k and 1.7 millions records respectively but the 'where' condition in cursor query makes the total count to 3k lines only.
Now the problem is , we have a schedule reboot of the server every Saturday night and the next day(Sunday night) when the program runs it gets stuck in the query --> OPEN <cursor> . We wait for 5 hours but this OPEN cursor query never executes or completes, that means our program gets stuck here.Eventually we have to kill the program.We have tried running it after killing as well but it again gets stuck.
Now the interesting part. On Monday business happens as usual but in the night when we again run this program it runs within minutes. The records in the tables are more or less same. Open cursor does not get stuck at all. It runs every night properly but every Sunday night it gets stuck. note that the program does not run on Saturday nights. So on Sunday night it runs for the first time after server reboot.
So there is something with Open cursor statement(with so much data) after server reboot. What exactly Open cursor does in memory or database.
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Mar 1, 2012
open cp_cursor for 'Select curtailprogramkey from curtailProgram where curtailprogramid like 'l_rec.curtailprogramid%'';
NOTE: l_rec.curtailprogramid is varible. what is wrong in the above statement?
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May 10, 2013
create or replace package cognos_pk as /* Creates Package Header*/
TYPE project_type IS record( /* A record declaration is used to */
c1 NUMBER /* provide a definition of a record */
); /* that can be used by other variables*/
TYPE project_type1 IS REF CURSOR return project_type; /* Variable declaration */
procedure conosg_sp (result1 out project_type1); /* SP declaration */
end;
[code]....
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Jul 6, 2013
I have One .FMB Screen and in this Screen One Table , I Compile and attach in ERP System but when I tried to open thst screen is not open and also application is stucking.
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Nov 23, 2011
I want to return ref cursor based on explicit cursors
create table jumbo(id number, name varchar2(20));
insert into jumbo values(1,'jumbo');
create table mumbo(id number, name varchar2(20));
insert into mumbo values(1,'mumbo');
commit;
[Code].....
The above procedure has compilation errors when I am trying to open ref cursor
LINE/COL ERROR
-------- --------------------------------------------------------
20/24 PL/SQL: SQL Statement ignored
20/38 PL/SQL: ORA-00942: table or view does not exist
32/24 PL/SQL: SQL Statement ignored
32/38 PL/SQL: ORA-00942: table or view does not exist
SQL>
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Jan 13, 2011
I have a snippet of code
EXCEPTION
WHEN OTHERS THEN
H_Report_Error('sql',Sqlerrm);
end;
And I'm trying to figure out how to catch a error from a loop such as:
OPEN My_cursor FOR SQLCODEBLOCK
LOOP
FETCH a_variable INTO ResultCount;
EXIT
WHEN My_cursor % NOTFOUND ;
BEGIN
--Stuff done
End;
End Loop;
So right now I have a error in the SQLCODEBLOCK, but I can't catch that error. I've tried putting the exception in various places but it wont compile.
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Oct 31, 2013
Oracle 11g For a procedure, if I use the hard-code procedure
sp_test( p_rc out sys_refcursor, p_1... p_2 ... ) is begin open p_rc for select * from TEST_TABLE... But now, I want to use the dynamically constructed sql, such as if condition1 then v_sql := ... elsif condition2 then v_sql := ... execute immedite v_sql
How can I return the the cursor p_rc in this case?
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Jul 27, 2012
I have the following code for a Apex(Application Express) project I am developing.
declare
mail_id varchar2(100);
min_skill_cnt number;
skill_cde varchar2(30);
total_leave number;
toal_emp number;
cursor cur is
select S_EMP_EMAIL
from EMP_SKILLS_INFO where SKILLCODE='MGR' and S_EMP_EMAIL = lower(:APP_USER) ;
cursor minskill is
select skill_code,MINRQMT_AM
from skills_code_info
where skill_code in (select skillcode from emp_skills_info where S_EMP_EMAIL = lower(:APP_USER));
cursor leavecnt(v_skill IN VARCHAR2) is
select count(*) from emp_leave_info
where leave_date = :P24_LEAVE_DATE
and emp_email IN (select S_EMP_EMAIL from EMP_SKILLS_INFO where SKILLCODE = v_skill);
cursor empcnt(v_skills IN VARCHAR2) is
[code]...
Ideally this should send email to managers when a particular skill is running short when employee applies for leave. I am getting error that cursor is already open when I run this code. I am not sure which cursor or where it is picking open cursor command.
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Jan 3, 2011
After opening a dynamic cursor, usually fetch hit record into some variables. However, if I do not want to "FETCH INTO " operate Just only skip this record.
DECLARE
TYPE weak_cur_type IS REF CURSOR;
weak_cur_1 weak_cur_type;
weak_cur_2 weak_cur_type;
vs_dsql VARCHAR2(2048);
vd_create_time DATE;
vn_count NUMBER(8);
vn_total_amount NUMBER(13);
[Code]...
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Feb 26, 2013
Is it possible to bind collection while opening a ref cursor. Find below the code that I am trying. My goal is to open cursor once using collection variable. Can it be done using DBMS_SQL ?
DECLARE
TYPE typ_emp_rec_in IS RECORD
(
deptno NUMBER,
sal NUMBER
[code]......
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Apr 13, 2012
I getting a error Ora-06511 when-new-item-instance trigger raised unhandled exception.
below is the coding for the trigger when-new-item-instance : where the cursor is open? how to close it?
if :blk_master.action_status = 'A' then
declare
doc_slno number;
[Code].....
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May 28, 2013
In my environment found maximum open cursor exceeds error. So how can I found the open cursor list and how can I close that cursor without restarting. Any SQL commands to close the open cursor.
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Apr 28, 2010
I have a cursor in a procedure that selects columns from a table on a remote Oracle database using a database link. It all works fine when the table name and database link name is 'hard coded' into the procedure but what I would like to achieve is have the select statement lookup the table name and database link name from a column in another table. See example below
CURSOR c_total_bookings IS
SELECT personnel_id,
surname,
forenames,
birth_date,
[code]...
What I would like to do is replacecompany_bookings@remote.linkwith a variable that takes its value from another table.
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Feb 7, 2011
1) SQL Statements are not using IMPLICIT CURSORS.
2) Only the SQL statements of the PLSQL program create implicit cursors.
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Jul 9, 2012
How to make cursor to take a select statement
then check the rowcount
in certain case: assign another selete statement to the cursor
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Sep 12, 2011
I have a DML Statement inside a procedure and i use a cursor variable to get the values checked as below . I have attached my procedure not completely but the declaration part and the DML statement part.
The issue is my procedure is not inserting the records at all. It selects the values and then inserts accoringly but its not selecting because of the cursor reference R_LOC.LOCATION_GID.
when i hard code the value in the DML statemnt for the R_LOC.LOCATION_GID, the rows are inserted as expected. So i guess the way the procedure executes the value is not correct.
Modifying my select part which uses cursor variable R_LOC.LOCATION_GID under Insert statement.
select d.servprov_gid, d.depot_gid, replace(d.appointment_time,'':'') appmt_time, d.'||v_day_to_use||' DayUsed
from tesco_fresh_templates t, tesco_fresh_templates_d d, location_refnum r
where t.set_id= d.set_id
and d.depot_gid=r.location_gid
AND D.SERVPROV_GID=''R_LOC.LOCATION_GID''
and r.location_refnum_qual_gid=''TESCO.IVS SCHEDULING''
and (r.location_refnum_value=''YES'' or r.location_refnum_value=''Y'')
and t.default_set=''Y''
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Jul 20, 2012
The problem is, while installing the Oracle Form and Report 11G R2, my installation got stuck on step 15, i.e configuration progress. Waited for 3hrs and still no progress.
Installing on Win 7 64-Bit, with 4gb ram.
Installed Weblogic Server 10.3.5 64bit(using JDK).
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Oct 25, 2012
i am using one stored procedure
in which one query is there that is
SELECT to_char(Inpunch,'HH24:mi:ss') into v_Inpunch1 FROM ProcessingPunches
ORDER BY Inpunch ASC WHERE ROWNUM <= 1;
in this i am fetching top 1 value and storing Inpunch value in v_Inpunch1 variable is this query is correct? because i am getting error.
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Sep 19, 2010
I already have 9i installed at my desktop.I tried to install oracle 10g version 1. But it got struck with "oracle database configurations assistant" on configuration assistants window.Then I did the below.
1) I clicked stop, but still didn't get stop.
2) And also the window didn't enable the 'Retro' button
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Apr 22, 2011
I always get stuck with to_date function.
I keep getting errors when I run this query.
select * FROM table1 WHERE AS_OF_DATE = to_date('9/30/2010 12:00:00 AM','YYYYMMDD HH24:MI:SS')
Error code is : ORA-01858
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Jul 20, 2012
My workflow stuck in Active status and user is not able to proceed further. But it is not happening every time. Sometimes the process activity gets stuck.
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Mar 15, 2011
I am in process of installing Oracle 11g R2 Grid Infrastructure on 2-node virtual RAC. All went very well until the Grid Installation stuck on 65%. It is saying copying file on remote node ('Copying Oracle Home '/u01/app/11.2.0/grid' to remote nodes 'cxm-vl-rman02'). From the logs it is difficult to figure out where the bottlenecks lies.
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Sep 3, 2012
I am working on Workflow and the issue is When a person leaves for vacation he can set his vacation rules so that someone has to attend / approve his workflow notifications. But when we set vocation rules all notification goes into errors state and this error can resolve by refreshing/Retry this notification. And the error detail is mentioned below An Error occurred in the following Workflow.
Item Type = CONCSPL
Item Key = 086937-15990
User Key =
Error Name = 100
Error Message = ORA-01403: no data found
ORA-01403: no data found
Error Stack =
Wf_Engine_Util.Function_Call(cust_f_test.f_find_approver, CONCSPL, 086937-15990, 180198, RUN)
[code]....
Bottom line is all notifition should be successfully process and send to dedicated person.
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Sep 7, 2010
I have to update 20 and 60 million records of a table. The update statement are
1> 20 million recs
update mycustomer set update_time=add_months(sysdate,240) where seq_num = 1;
commit;
2> 60 million recs
update mycustomer set update_time=sysdate-seq_num where seq_num <> 1;
commit;
Q1> Is there any way to improve performance
Q2> Will parallel dml improve performance
Q2> Would a pl/sql cursor make any difference in speed.
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Jul 11, 2012
I want to create a wallet on RAC setup.I have two node setup.I have created the wallet directory under shared folder /u01/oradata/$ORACLE_SID/wallet
I am Unable to open wallet.I tried this using the below command
SQL> alter system set encryption key identified by "aryabhat";
alter system set encryption key identified by "aryabhat"
*
ERROR at line 1:
ORA-28353: failed to open wallet
Following is the content of sqlnet.ora file
(path : /u01/app/11.2.0/grid/network/admin/sqlnet.ora)
NAMES.DIRECTORY_PATH= (TNSNAMES, EZCONNECT)
ADR_BASE = /u01/app/oracle
ENCRYPTION_WALLET_LOCATION =
(SOURCE = (METHOD = FILE)(METHOD_DATA =
(DIRECTORY = /u01/oradata/$ORACLE_SID/wallet/)))
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Sep 7, 2007
I'm dealing with an ORA-1000 error in a Pro*C application where all the cursors are correctly closed (or so it seems to me).
Here is the code for a simple program which reproduces the problem:
Each cursor is opened in a PL/SQL package:
CREATE OR REPLACE PACKAGE emp_demo_pkg AS
TYPE emp_cur_type IS REF CURSOR;
PROCEDURE open_cur(curs IN OUT emp_cur_type, dept_num IN NUMBER);
END emp_demo_pkg;
[Code]....
While testing the initialization parameter open_cursors is set to 50.
It's my understanding that Oracle doesn't close the cursors until it needs the space for another cursor, which in my test case seems to happen when I enter a value of 50 or bigger for "number of loops". To see how oracle is reusing the cursors, while the test program is running I run SQL*Plus and query v$sesstat for the session that's running the test with the following sentence:
select name, value
from v$sesstat s, v$statname n
where s.statistic# = n.statistic#
and sid = 7
and name like '%cursor%';
Even before I enter a value for number of loops I can see that the session opened 4 cursors and closed 2 of them:
NAME VALUE
---------------------------------------------------------------- ----------
opened cursors cumulative 4
opened cursors current 2
Entering a value of 5 for number of loops yields
NAME VALUE
---------------------------------------------------------------- ----------
opened cursors cumulative 11 <----- 7+
opened cursors current 8 <----- 6+
With a value of 30
NAME VALUE
---------------------------------------------------------------- ----------
opened cursors cumulative 36 <----- 25+ (apparently, Oracle reused at least 5 cursors)
opened cursors current 33 <----- 25+
With a value of 47
NAME VALUE
---------------------------------------------------------------- ----------
opened cursors cumulative 53 <----- 17+
opened cursors current 50 <----- 17+
Now I reached the upper limit set by the initialization parameter open_cursors.
Entering a value of 48, I get the ORA-1000 error.
ORA-01000: maximum open cursors exceeded
ORA-06512: at "SCOTT.EMP_DEMO
Since I open and close the cursor in the same loop iteration, I expect to find in every iterarion 1 explicit cursor and a number of implicit cursors (the PL/SQL call along with the so-called recursive cursors), but I don't expect the sum of all of them to be greater than 50. If my understanding is correct Oracle should be reusing the 50 cursors previously marked as "closeable", not raising the ORA-1000 error.
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Feb 25, 2011
Is it possible to:
-define a cursor with bind variables
-get a cursor record from these cursor
-and pass the bind variable in the OPEN clause
Did'nt succeed as shown in the example.
SET SERVEROUTPUT ON SIZE 900000;
DECLARE
--works fine
CURSOR c1 IS SELECT * FROM USER_TABLES WHERE rownum<3;
--doesn't work
--CURSOR c1 IS SELECT * FROM USER_TABLES WHERE rownum<:1;
crec c1%rowtype;
BEGIN
--works fine
OPEN c1;
--isn't possible ?
--OPEN c1 USING 3;
[Code]....
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Sep 11, 2011
just looking around to use the new feature available in oracle 11g to convert the dbms_sql numeric cursor to reference cursor, how to do it?
parse and execute the sql string first with dbms_sql and then convert it to ref cursor?
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Aug 7, 2013
Can i user exist when cursor will using For Cursor .
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Aug 10, 2011
HOW to use variable P_TMPLID in following statement
TYPE typ_unrecon IS TABLE OF REC_' || P_TMPLID ||'_UNRECON%ROWTYPE index by binary_integer;
because its throwing error while compiling
and also in statement
FORALL i IN unrecondata.FIRST .. unrecondata.LAST SAVE
EXCEPTIONS
--STRSQL := '';
--STRSQL := ' INSERT INTO REC_' || P_TMPLID ||'_UNRECON VALUES ' || unrecondata(i);
-- EXECUTE IMMEDIATE STRSQL;
INSERT INTO REC_' || P_TMPLID ||'_UNRECON VALUES unrecondata(i);---throwing error on this statement
commit;
--dbms_output.put_line(unrecondata(2).TRANSID);
EXCEPTION
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