Sequence of execution of Oracle Joins

Hi All,
I am applying combination of outer-join & equi-join on around 5-6 tables.
But I am not getting expected results.
I just wanted to know how Oracle applies execution of this joins, outer & equi.

Here is the data on which I am playing,
--Employee table
CREATE TABLE "EMP"
   ("EMP_ID" NUMBER(10,0) NOT NULL ENABLE,
     "FNAME" NVARCHAR2(50) NOT NULL ENABLE,
     "LNAME" NVARCHAR2(50) NOT NULL ENABLE
--Mapping between Task type & Department
   CREATE TABLE "TASKTYPE_FOR_DEPT"
   (     "TASKTYPE_FOR_DEPT_ID" NUMBER(10,0) NOT NULL ENABLE,
     "DEPT_ID" NUMBER(10,0) NOT NULL ENABLE,
     "TASK_TYPE_CD" NVARCHAR2(10) NOT NULL ENABLE
-- Departmentwise employee hierarchy
CREATE TABLE "EMP_HIERARCHY"
   (     "EMP_ID" NUMBER(10,0) NOT NULL ENABLE,
     "DEPT_ID" NUMBER(10,0) NOT NULL ENABLE
   -- Tasks Details
CREATE TABLE "TASKS"
   (     "TASK_ID" NUMBER(10,0) NOT NULL ENABLE,
     "TASK_PRIORITY" NVARCHAR2(10) NOT NULL ENABLE,
     "TASK_TYPE" VARCHAR2(20 BYTE)
   -- Tasks allocation
CREATE TABLE "TASKSALLOCATION"
   (     "TASKALLOCATION_ID" NUMBER(10,0) NOT NULL ENABLE,
     "EMP_ID" NUMBER(10,0) NOT NULL ENABLE,
     "TASK_ID" NUMBER(10,0) NOT NULL ENABLE
Insert into EMP (EMP_ID,FNAME,LNAME) values (1,'XYZ','DFD');
Insert into EMP (EMP_ID,FNAME,LNAME) values (2,'DFDS','FD');
Insert into EMP (EMP_ID,FNAME,LNAME) values (3,'FDSF','GFH');
Insert into EMP (EMP_ID,FNAME,LNAME) values (6,'GFHGF','GFHS');
Insert into EMP (EMP_ID,FNAME,LNAME) values (4,'GFD','FDG');
Insert into EMP (EMP_ID,FNAME,LNAME) values (5,'DSFDS','FDSAF');
Insert into EMP (EMP_ID,FNAME,LNAME) values (7,'GHGY','EWE');
Insert into EMP (EMP_ID,FNAME,LNAME) values (8,'FGRFSAD','SADF');
Insert into TASKTYPE_FOR_DEPT (TASKTYPE_FOR_DEPT_ID,DEPT_ID,TASK_TYPE_CD) values (1,1,'T1');
Insert into EMP_HIERARCHY (EMP_ID,DEPT_ID) values (1,1);
Insert into EMP_HIERARCHY (EMP_ID,DEPT_ID) values (2,1);
Insert into EMP_HIERARCHY (EMP_ID,DEPT_ID) values (3,1);
Insert into EMP_HIERARCHY (EMP_ID,DEPT_ID) values (4,1);
Insert into EMP_HIERARCHY (EMP_ID,DEPT_ID) values (5,1);
Insert into EMP_HIERARCHY (EMP_ID,DEPT_ID) values (6,1);
Insert into EMP_HIERARCHY (EMP_ID,DEPT_ID) values (7,1);
Insert into EMP_HIERARCHY (EMP_ID,DEPT_ID) values (8,1);
Insert into TASKS (TASK_ID,TASK_PRIORITY,TASK_TYPE) values (1,'HIGH','T1');
Insert into TASKS (TASK_ID,TASK_PRIORITY,TASK_TYPE) values (2,'MEDIUM','T1');
Insert into TASKS (TASK_ID,TASK_PRIORITY,TASK_TYPE) values (3,'LOW','T1');
Insert into TASKS (TASK_ID,TASK_PRIORITY,TASK_TYPE) values (4,'HIGH','T1');
Insert into TASKS (TASK_ID,TASK_PRIORITY,TASK_TYPE) values (5,'MEDIUM','T1');
Insert into TASKS (TASK_ID,TASK_PRIORITY,TASK_TYPE) values (6,'LOW','T1');
Insert into TASKS (TASK_ID,TASK_PRIORITY,TASK_TYPE) values (7,'HIGH','T1');
Insert into TASKS (TASK_ID,TASK_PRIORITY,TASK_TYPE) values (8,'MEDIUM','T1');
Insert into TASKS (TASK_ID,TASK_PRIORITY,TASK_TYPE) values (9,'LOW','T1');
Insert into TASKS (TASK_ID,TASK_PRIORITY,TASK_TYPE) values (10,'HIGH','T1');
Insert into TASKS (TASK_ID,TASK_PRIORITY,TASK_TYPE) values (11,'MEDIUM','T1');
Insert into TASKS (TASK_ID,TASK_PRIORITY,TASK_TYPE) values (12,'LOW','T1');
Insert into TASKS (TASK_ID,TASK_PRIORITY,TASK_TYPE) values (13,'HIGH','T1');
Insert into TASKS (TASK_ID,TASK_PRIORITY,TASK_TYPE) values (14,'MEDIUM','T1');
Insert into TASKS (TASK_ID,TASK_PRIORITY,TASK_TYPE) values (15,'LOW','T1');
Insert into TASKS (TASK_ID,TASK_PRIORITY,TASK_TYPE) values (16,'HIGH','T1');
Insert into TASKS (TASK_ID,TASK_PRIORITY,TASK_TYPE) values (17,'MEDIUM','T1');
Insert into TASKS (TASK_ID,TASK_PRIORITY,TASK_TYPE) values (18,'LOW','T1');
Insert into TASKS (TASK_ID,TASK_PRIORITY,TASK_TYPE) values (19,'HIGH','T1');
Insert into TASKS (TASK_ID,TASK_PRIORITY,TASK_TYPE) values (20,'MEDIUM','T1');
Insert into TASKS (TASK_ID,TASK_PRIORITY,TASK_TYPE) values (21,'LOW','T1');
Insert into TASKS (TASK_ID,TASK_PRIORITY,TASK_TYPE) values (22,'HIGH','T1');
Insert into TASKS (TASK_ID,TASK_PRIORITY,TASK_TYPE) values (23,'MEDIUM','T1');
Insert into TASKS (TASK_ID,TASK_PRIORITY,TASK_TYPE) values (24,'LOW','T1');
Insert into TASKSALLOCATION (TASKALLOCATION_ID,EMP_ID,TASK_ID) values (1,1,1);
Insert into TASKSALLOCATION (TASKALLOCATION_ID,EMP_ID,TASK_ID) values (2,2,1);
Insert into TASKSALLOCATION (TASKALLOCATION_ID,EMP_ID,TASK_ID) values (3,3,2);
Insert into TASKSALLOCATION (TASKALLOCATION_ID,EMP_ID,TASK_ID) values (4,3,3);
Insert into TASKSALLOCATION (TASKALLOCATION_ID,EMP_ID,TASK_ID) values (5,4,4);
Insert into TASKSALLOCATION (TASKALLOCATION_ID,EMP_ID,TASK_ID) values (6,4,5);
Insert into TASKSALLOCATION (TASKALLOCATION_ID,EMP_ID,TASK_ID) values (7,4,6);
Insert into TASKSALLOCATION (TASKALLOCATION_ID,EMP_ID,TASK_ID) values (8,4,7);
Insert into TASKSALLOCATION (TASKALLOCATION_ID,EMP_ID,TASK_ID) values (9,5,6);
Insert into TASKSALLOCATION (TASKALLOCATION_ID,EMP_ID,TASK_ID) values (10,6,8);
Insert into TASKSALLOCATION (TASKALLOCATION_ID,EMP_ID,TASK_ID) values (12,8,8);
Insert into TASKSALLOCATION (TASKALLOCATION_ID,EMP_ID,TASK_ID) values (13,8,10);
Insert into TASKSALLOCATION (TASKALLOCATION_ID,EMP_ID,TASK_ID) values (14,8,11);
Insert into TASKSALLOCATION (TASKALLOCATION_ID,EMP_ID,TASK_ID) values (15,8,12);
Insert into TASKSALLOCATION (TASKALLOCATION_ID,EMP_ID,TASK_ID) values (16,6,13);
Insert into TASKSALLOCATION (TASKALLOCATION_ID,EMP_ID,TASK_ID) values (17,5,14);
Insert into TASKSALLOCATION (TASKALLOCATION_ID,EMP_ID,TASK_ID) values (18,3,12);
Insert into TASKSALLOCATION (TASKALLOCATION_ID,EMP_ID,TASK_ID) values (19,3,13);
Insert into TASKSALLOCATION (TASKALLOCATION_ID,EMP_ID,TASK_ID) values (20,2,15);
Insert into TASKSALLOCATION (TASKALLOCATION_ID,EMP_ID,TASK_ID) values (21,1,16);
Insert into TASKSALLOCATION (TASKALLOCATION_ID,EMP_ID,TASK_ID) values (22,2,17);
Insert into TASKSALLOCATION (TASKALLOCATION_ID,EMP_ID,TASK_ID) values (23,1,18);
Insert into TASKSALLOCATION (TASKALLOCATION_ID,EMP_ID,TASK_ID) values (24,4,19);
Insert into TASKSALLOCATION (TASKALLOCATION_ID,EMP_ID,TASK_ID) values (25,6,20);
Insert into TASKSALLOCATION (TASKALLOCATION_ID,EMP_ID,TASK_ID) values (26,5,21);
Insert into TASKSALLOCATION (TASKALLOCATION_ID,EMP_ID,TASK_ID) values (27,1,22);
Insert into TASKSALLOCATION (TASKALLOCATION_ID,EMP_ID,TASK_ID) values (28,3,23);
COMMIT;We want all resources belongs to department for a given case type with assinged tasks count & grouping with priority.
I tried the following query,
select emp.fname || ' ' || emp.lname EMP_NAME
     , sum(DECODE(tasks.TASK_PRIORITY, 'HIGH', 1, 0)) HIGH
     , sum(DECODE(tasks.TASK_PRIORITY, 'MEDIUM', 1, 0)) MEDIUM
     , sum(DECODE(tasks.TASK_PRIORITY, 'LOW', 1, 0)) LOW
from emp,
EMP_HIERARCHY,
TASKSALLOCATION,
TASKS,
TASKTYPE_FOR_DEPT
where
   TASKTYPE_FOR_DEPT.TASK_TYPE_CD = 'T1'
   emp.EMP_ID = TASKSALLOCATION.EMP_ID(+)
and TASKSALLOCATION.TASK_ID = tasks.TASK_ID(+)
and tasks.TASK_TYPE = TASKTYPE_FOR_DEPT.TASK_TYPE_CD
and TASKTYPE_FOR_DEPT.dept_id = EMP_HIERARCHY.dept_id
-- and EMP_HIERARCHY.emp_id = emp.EMP_ID
group by emp.fname || ' ' || emp.lname;
It is not working properly.
Actually we are also looking the employee for whom task has been not allocated but belong to same department.
In above resultset employee 'GHGY EWE'.
We are expecting resultset something like this.
with
    t as
          select     'GFHGF GFHS' as emp_name, 1 as highPriority,     2 as mediumPriority, 0 as lowPriority FROM dual union all
          select     'FDSF GFH',               1     ,     2     ,     2     FROM dual union all
          select     'XYZ DFD'     ,          3     ,     0     ,     1     FROM dual union all
          select     'GHGY EWE',          0     ,     0     ,     0     FROM dual union all
          select     'DFDS FD',               1     ,     1     ,     1     FROM dual union all
          select     'GFD FDG',               3     ,     1     ,     1     FROM dual union all
          select     'FGRFSAD SADF',          1     ,     2     ,     1     FROM dual union all
          select     'DSFDS FDSAF',          0     ,     1     ,     2     FROM dual
          );Note : We are using Oracle 11.2.0.2.0 version

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I am not sure what you need exactly, but you can try this:
Simulating ROLLBACK TO SAVEPOINT Behavior in a Database Trigger
http://www.quest-pipelines.com/pipelines/plsql/tips02.htm#JUNE
Regards,
Zlatko Sirotic

Sequence number creation in oracle 11gR2

Hi.. i am using oracle 11.2 version. how can i create my sequence value starts from 1..i am currently getting 2..pls help me..

862189 wrote:
Hi.. i am using oracle 11.2 version. how can i create my sequence value starts from 1..i am currently getting 2..pls help me..I'm going to guess that you're seeing the side effects of deferred segment creation.
This does get mentioned in the reference manual under "create sequence": http://download.oracle.com/docs/cd/E18283_01/server.112/e17118/statements_6015.htm
If this is the case then creating the target table with the "segment creation immediate" should address your problem: http://download.oracle.com/docs/cd/E18283_01/server.112/e17118/statements_7002.htm#i2095331
Regards
Jonathan Lewis

Execution of oracle cliet take long time in HPUX

Hi all
I have problem with oracle home 11.2.0.2 on HPUX B.11.31 U ia64
In server I have two oracle home:
1. oracle 10.2.0.4 which work ok
2. 11.2.0.2 :
execution of sqlplus /nolog (or another client like imp/ exp) take a lot of time (3 minutes) , I tried to trace with tusc : tusc sqlpus / nolog > to_file.log
and it wait in poll(0x9fffffffffff5.... :
socket(AF_INET, SOCK_DGRAM, 0) ...................................................................................................... = 7
sendto(7, "b19601\0\001\0\0\0\0\0\0\bb u r ".., 26, 0, 0x6000000000417560, 0x10) .................................................... = 26
gettimeofday(0x9fffffffffff5ec0, NULL) .............................................................................................. = 0
poll(0x9fffffffffff5ee0, 1, 10000) .................................................................................................. [sleeping]
poll(0x9fffffffffff5ee0, 1, 10000) .................................................................................................. = 0
processor and memory is ok without pick
Do You have any idea wher is problem ? because database in oracle home 11g work ok in this home , when I connect from remote sqlplus client though sqlnet
Thank You Brano

Try [url http://download.oracle.com/docs/cd/E11882_01/network.112/e10835/sqlnet.htm#BIIIJHGH]sqlnet tracing. Charles Hooper has some more detailed examples of using a network monitoring tool: http://hoopercharles.wordpress.com/category/network-monitoring/
You might consider we don't have crystal balls and can't quite understand what little you've told us. What is the client? What is pick?

Sequence diagram lifeline in Oracle BPA Suite

I try to create sequence diagram in Oracle Busines Process Architect 11g. I use type of model "UML Sequence diagram". But in palette there is no object with type "Lifeline". How can I add lifelines to my sequence diagram?

i guess you are clicking on file>new>model , or something like that.
y dont you first go to designer/explorer , make sure you see the navigator frame, and click on "local" in navigator frame to start the local database first. adn then login to any database to create a model/group.
In case it does not even happen then, and it still says unable to start the local server, check out the logs in <Oracle BPA Suite>\LocalServer\log directory and check what the error is.

Handling Sequence of Services in Oracle Service Bus 11g

Hi there,
I am very new to Oracle Service Bus, I want to achieve the following sequence of operations in OSB, please help me or guide me how to achieve it in sequence manner.
1) Transfer .txt file from STFP server to local shared folder.
2) Calling EJB service to process (Read the file) and insert/update in DB.
3) Once the EJB service operation is over, transfer the file from local folder "Inbox" to local folder "archive" folder.
4) Sent the success or failure batch job email message to administrator.
Thanks in Advance.
Regards,
Raj

Hi,
I've created the 2 Proxy services and related business services, one service is used to move the file from one location to another and another service is used to call the EJB (using JEJB transport). I am using the sequential service call to call one after another (1st Move file then Call JEJB). The following error I am getting, pls help me to resolve this issue.
<Jun 3, 2013 11:48:47 AM SGT> <Error> <OSB Kernel> *<BEA-380003> <Exception on TransportManagerImpl.sendMessageAsync: unchecked exception:, java.lang.IllegalStat*
**eException: [JEJBTransport:387313]Colocated call is not supported by JEJB transp ort provider.*java.lang.IllegalStateException: [JEJBTransport:387313]Colocated call is not supported by JEJB transport provider.*
at com.bea.wli.sb.transports.jejb.JEJBTransportProvider.sendMessageAsync
(JEJBTransportProvider.java:860)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.
java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
Truncated. see log file for complete stacktrace
>
Thanks.
Edited by: 966429 on Jun 3, 2013 2:45 AM

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