Run the query in accordance with condition

Oracle 10g version

Hi gurus

I have the following data

Examples of data

SELECT DeptNo FROM scott.emp

UNION ALL

SELECT EmpNo FROM scott.emp

;

Now what I want is I want to execute conditionally of those surveyed, something like below:

If list_item = 'I', then run below

SELECT DeptNo FROM scott.emp

otherwise run below

SELECT EmpNo FROM scott.emp

End if;

------

I want to keep the union all and run the query under the terms...

Set a long tank (max 4000)

L_WHERE_CLAUSE

Use it in your application as a substitution variable by prefixing with &

WHERE & L_WHERE_CLAUSE

Assign the value into a pl/sql block (trigger, formula column)

IF condition THEN

L_WHERE_CLAUSE: = '1 = 1';

ON THE OTHER

L_WHERE_CLAUSE: = '1 = 2';

END IF;

Now, among the options that have been suggested to you and the information you provided, I think the solution of Solomon should be easier. Just refer to the column list_item has a link within your query variable (assuming that this and the query where list_item belongs are related, for example, there is a join between them)

SELECT DeptNo FROM scott.emp, t

WHERE: list_item = 'l '.

UNION ALL

SELECT EmpNo FROM scott.emp, t

WHERE nvl(:list_item,'x')! = « l »

Tags: Database

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Motion code below for the data is of per_all_people_f, who works for only one setting, when I pass 2 parameters, then is to take the last of them fail times two, could you pls advice how it both join in where clause.
================================================================================
--------------------------------control file ----------------------------------
================================================================================
' Public Sub processFormRequest (pageContext OAPageContext, OAWebBean webBean)
{
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}
================================================================================
-Request module file-
================================================================================
public void initSummary (string model,
String ParmEmpNum,
String ParmHireDt,
String created,
String showMyOrders,
Boolean ExecuteQuery)
{
xxEmployeeVOImpl vo = getxxEmployeeVO1();
If (vo is nothing)
{
Tokens [] MessageToken = {new MessageToken ("parameter", "xxEmployeeVO")};
throw new OAException ("AK", "FWK_TBX_OBJECT_NOT_FOUND", chips);
}
vo.initQuery (model, ParmEmpNum, ParmHireDt, executeQuery);
System.out.println ("calling vo...");
}
================================================================================
-xxEmployeeVOImpl-
================================================================================
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{
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setWhereClauseParams (null);
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}
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{
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If (CheckWhere > 1)
{
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setWhereClauseParams (null);
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on the other
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{setWhereClause (null);
setWhereClauseParams (null);
setWhereClause ("START_DATE =:"+ CheckWhere ");
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}
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}
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executeQuery();

Try this:
```
public void initQuery(String dummy,String ParamEmpNum,String ParmHireDt, Boolean executeQuery)
{
  System.out.println("ParamEmpNum: "+ ParamEmpNum);
  System.out.println("ParmHireDt : "+ ParmHireDt);

  setWhereClause(null);
  setWhereClauseParams(null);

  String WhereClause = null;

  int bindCount = 0;
  HashMap paramMap = new HashMap();

  if  ( (ParamEmpNum != null) && (!("".equals(ParamEmpNum.trim())))  )
  {
  paramMap.put(bindCount,ParamEmpNum);
  WhereClause = "EMPLOYEE_NUMBER = :"+ (++bindCount) + " AND ";
  }
  if  ( (ParmHireDt != null) && (!("".equals(ParmHireDt.trim())))  )
  {
  paramMap.put(bindCount,ParmHireDt);
  WhereClause = WhereClause + ("START_DATE = :"+ (++bindCount) + " AND ");
  }
  if(bindCount > 0)
  {
  // Remove the AND at the end
  WhereClause = WhereClause.substring(0, WhereClause.length()-5);

  setWhereClause(WhereClause);
  for(int i = 0; i < bindCount; i ++) {
  setWhereClauseParam(i,paramMap.get(i));
  }
  }

  System.out.println("Query "+ this.getQuery());
  executeQuery();
}
```
You may need to change the START_DATE whereclause as below:

WhereClause = WhereClause + ("START_DATE = TO_DATE (:" + (++ bindCount) + ', "MON-DD-YYYY" ") AND" ' ");

Note:-need to specify the correct format.

See you soon

AJ

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mnoscars wrote:

But here's my problem. Consider that P1_SEARCH contains several ROWID, and I don't know the number of these values,
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I also tried: 'ROWID1, ROWID2' and 'ROWID1', 'ROWID2 '.
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For a standard report, see + {message identifier: = 9609120} +.

For an IR - and improve safety by avoiding the risk of SQL Injection, use a collection containing the values in a column instead of a CSV list:
{code}
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{code}
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I only run the UI applications connected to a carrier co-located in my distributed system. When I run a query of the applications I have a NoAvailableServersException. The trace of the full stack of the applications log is below. I can run the same query successfully in gfsh on the same machine, the I'm running the applications. I' wvv looked through the applications documentation but can't find problems with my setup. Please let me know if you need more information.
Tom
[06/02/2013 INFO 17:39:19.135 IS main] Manual applications path is C:\vmware\vfabric-gemfire\vFabric_GemFire_70_b38623\tools\DataBrowser\docs\index.html

[06/02/2013 INFO 17:39:19.512 IS main] Start interviewing for the results link to JMX Manager operation.

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[06/02/2013 INFO 17:39:19.692 IS JMXCallExecutorThread] Try to connect to a JMX Manager on the host: idcprdgflocator2.carecorenational.com and port: 1099

[06/02/2013 INFO 17:39:19.793 IS JMXCallExecutorThread] Connected to the Gemfire distributed system

[06/02/2013 INFO 17:39:21.666 IS JMXCallExecutorThread] Added members: ccnscupadsgf01 (10552) < v14 >: 4709

[06/02/2013 INFO 17:39:21.679 IS JMXCallExecutorThread] Updated the refreshInterval to 60000

[06/02/2013 INFO 17:39:23.594 IS JMXCallExecutorThread] GemFire (7.0) Cache is created. Support PDX is available.

[06/02/2013 INFO 17:39:23.710 IS JMXCallExecutorThread] GemFire jar in the classpath version: 7.0

[06/02/2013 INFO 17:39:23.710 IS JMXCallExecutorThread] Is the system of GemFire version: 7.0

[06/02/2013 INFO 17:39:23.710 IS JMXCallExecutorThread] The LIMIT clause is supported by this version of the GemFire system: false

[06/02/2013 INFO 17:39:23.711 IS JMXCallExecutorThread] The user is connected successfully to JMX Manager to idcprdgflocator2.carecorenational.com: 1099

[06/02/2013 INFO 17:40:01.633 IS query run] Pool preparation for members:

[06/02/2013 SERIOUS, 17:40:04.692 IS run query] Error occurred during execution of the query: com.gemstone.gemfire.mgmt.DataBrowser.controller.QueryConfigurationPrms@5608a6fc com.gemstone.gemfire.mgmt.DataBrowser.query.QueryExecutionException: com.gemstone.gemfire.cache.client.NoAvailableServersException

at com.gemstone.gemfire.mgmt.DataBrowser.query.QueryUtil.executeQuery(QueryUtil.java:74)

at com.gemstone.gemfire.mgmt.DataBrowser.connection.internal.GemFireClientConnectionImpl.executeQuery(GemFireClientConnectionImpl.java:122)

to com.gemstone.gemfire.mgmt.DataBrowser.controller.internal.QueryExecutionHelper$ QueryExecutor.run (QueryExecutionHelper.java:169)

at java.lang.Thread.run(Thread.java:662)

Caused by: com.gemstone.gemfire.cache.client.NoAvailableServersException

at com.gemstone.gemfire.cache.client.internal.pooling.ConnectionManagerImpl.borrowConnection(ConnectionManagerImpl.java:246)

at com.gemstone.gemfire.cache.client.internal.OpExecutorImpl.execute(OpExecutorImpl.java:135)

at com.gemstone.gemfire.cache.client.internal.OpExecutorImpl.execute(OpExecutorImpl.java:114)

at com.gemstone.gemfire.cache.client.internal.PoolImpl.execute(PoolImpl.java:638)

at com.gemstone.gemfire.cache.client.internal.QueryOp.execute(QueryOp.java:51)

at com.gemstone.gemfire.cache.client.internal.ServerProxy.query(ServerProxy.java:81)

at com.gemstone.gemfire.cache.query.internal.DefaultQuery.executeOnServer(DefaultQuery.java:282)

at com.gemstone.gemfire.cache.query.internal.DefaultQuery.execute(DefaultQuery.java:213)

at com.gemstone.gemfire.cache.query.internal.DefaultQuery.execute(DefaultQuery.java:195)

at com.gemstone.gemfire.mgmt.DataBrowser.query.QueryUtil.executeQuery(QueryUtil.java:70)

..
. 3 more

[06/02/2013 SERIOUS, 17:40:04.694 IS query result processor] Error executing query: com.gemstone.gemfire.mgmt.DataBrowser.query.QueryExecutionException: com.gemstone.gemfire.cache.client.NoAvailableServersException

at com.gemstone.gemfire.mgmt.DataBrowser.query.QueryUtil.executeQuery(QueryUtil.java:74)

at com.gemstone.gemfire.mgmt.DataBrowser.connection.internal.GemFireClientConnectionImpl.executeQuery(GemFireClientConnectionImpl.java:122)

to com.gemstone.gemfire.mgmt.DataBrowser.controller.internal.QueryExecutionHelper$ QueryExecutor.run (QueryExecutionHelper.java:169)

at java.lang.Thread.run(Thread.java:662)

Caused by: com.gemstone.gemfire.cache.client.NoAvailableServersException

at com.gemstone.gemfire.cache.client.internal.pooling.ConnectionManagerImpl.borrowConnection(ConnectionManagerImpl.java:246)

at com.gemstone.gemfire.cache.client.internal.OpExecutorImpl.execute(OpExecutorImpl.java:135)

at com.gemstone.gemfire.cache.client.internal.OpExecutorImpl.execute(OpExecutorImpl.java:114)

at com.gemstone.gemfire.cache.client.internal.PoolImpl.execute(PoolImpl.java:638)

at com.gemstone.gemfire.cache.client.internal.QueryOp.execute(QueryOp.java:51)

at com.gemstone.gemfire.cache.client.internal.ServerProxy.query(ServerProxy.java:81)

at com.gemstone.gemfire.cache.query.internal.DefaultQuery.executeOnServer(DefaultQuery.java:282)

at com.gemstone.gemfire.cache.query.internal.DefaultQuery.execute(DefaultQuery.java:213)

at com.gemstone.gemfire.cache.query.internal.DefaultQuery.execute(DefaultQuery.java:195)

at com.gemstone.gemfire.mgmt.DataBrowser.query.QueryUtil.executeQuery(QueryUtil.java:70)

... 3 more

If you set the gemfire bind-address on the cache server, applications will be able to connect. If a bind-address is not defined in gemfire.properties for a server remote cache, applications unfortunately just silently by default is localhost. This is something that will have to solve. In the meantime, you can work around this by setting the property gemfire bind-address on the cache servers for either the IP address or host name.

How do I run the query by quarter

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When the user select year 2011 and quarter 2 then this code will be like this
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SELECT DISTINCT
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    FROM BIDDERS C,
         BIDLET B,
         LETPROP L,
         PROPOSAL P
   WHERE     C.LETTING = B.LETTING
         AND P.CONTID = L.LCONTID
         AND C.LETTING = L.LETTING
         AND C.CALL = L.CALL
         AND l.lcontid IN
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                   FROM letprop c, PROPOSAL d
                  WHERE     datestat IS NOT NULL
                        AND UPPER (letstat) <> 'R'
                        AND UPPER (letstat) <> 'B'
                        AND TRIM (UPPER (TIMELET)) = TRIM ('9:30 A.M.')
                        AND c.LCONTID = d.CONTID)
                        AND (B.DATELET >= TO_DATE ('2011-04-01', 'YYYY-MM-DD')
                        AND B.DATELET <= TO_DATE ('2011-06-30', 'YYYY-MM-DD'))              
        
GROUP BY l.call

Hello

If: p_year and: p_quarter are variables NUMBERS, container of the year and the quarter you want, then you can do something like this:

WITH     got_report_start_date     AS
(
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                  )   AS report_start_date
     FROM    dual
)                                        -- Everything above is NEW
SELECT DISTINCT
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    FROM BIDDERS C,
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         LETPROP L,
         PROPOSAL P
   ,      got_report_start_date     r                    -- NEW
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                        AND UPPER (letstat) <> 'R'
                        AND UPPER (letstat)  'B'
                        AND TRIM (UPPER (TIMELET)) = TRIM ('9:30 A.M.')
                        AND c.LCONTID = d.CONTID
          )
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Look at the comments that say NEW or MODIFIED; the rest is just what you've posted.

Note that you must use < (not=""> <=) when="" testing="" the="" end="" of="" the="" date="" range,="" and="" the="" date="" after="" the=""> < sign="" is="" the="" first="" date=""> NOT be included in the results.

Slow index by using the query. Fast with full table Scan.

Salvation;

(Thanks for the links)

Here's my question correctly formatted.

The query:

SELECT count(1)
from ehgeoconstru  ec 
where ec.TYPE='BAR'  
AND ( ec.birthDate <= TO_DATE('2009-10-06 11:52:12', 'YYYY-MM-DD HH24:MI:SS') )   
and deathdate is null 
and substr(ec.strgfd, 1, length('[CIMText')) <> '[CIMText'

Works on 32 seconds!

Same query, but with an extra where clause:

SELECT count(1)
from ehgeoconstru  ec 
where ec.TYPE='BAR'  
and  ( (ec.contextVersion = 'REALWORLD')     --- ADDED HERE
AND ( ec.birthDate <= TO_DATE('2009-10-06 11:52:12', 'YYYY-MM-DD HH24:MI:SS') ) )  
and deathdate is null 
and substr(ec.strgfd, 1, length('[CIMText')) <> '[CIMText'

This is 400 seconds.

It should return data from a table, given the conditions.

The database version is Oracle9i Release 9.2.0.7.0

These are the parameters relevant for the optimizer:

SQL> show parameter optimizer

NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
optimizer_dynamic_sampling           integer     1
optimizer_features_enable            string      9.2.0
optimizer_index_caching              integer     99
optimizer_index_cost_adj             integer     10
optimizer_max_permutations           integer     2000
optimizer_mode                       string      CHOOSE

SQL>

Here is the output of the PLAN to EXPLAIN for the first quick query:

PLAN_TABLE_OUTPUT
--------------------------------------------------------------------------------

--------------------------------------------------------------------------------
| Id  | Operation                     |  Name               | Rows  | Bytes | Cost  |
--------------------------------------------------------------------------------
|   0 | SELECT STATEMENT     |                         |           |       |       |
|   1 |  SORT AGGREGATE       |                         |           |       |       |
|*  2 |   TABLE ACCESS FULL   | EHCONS            |       |       |       |
--------------------------------------------------------------------------------

Predicate Information (identified by operation id):
---------------------------------------------------

PLAN_TABLE_OUTPUT
--------------------------------------------------------------------------------

   2 - filter(SUBSTR("EC"."strgfd",1,8)<>'[CIMText' AND "EC"."DEATHDATE"
              IS NULL AND "EC"."BIRTHDATE"<=TO_DATE('2009-10-06 11:52:12', 'yyyy
-mm-dd

              hh24:mi:ss') AND "EC"."TYPE"='BAR')

Note: rule based optimization

Here is the output of the EXPLAIN of PLAN for slow queries:

PLAN_TABLE_OUTPUT
--------------------------------------------------------------------------------
   |       |

|   1 |  SORT AGGREGATE              |                             |       |
   |       |

|*  2 |   TABLE ACCESS BY INDEX ROWID| ehgeoconstru      |       |
   |       |

|*  3 |    INDEX RANGE SCAN          | ehgeoconstru_VSN  |       |
   |       |


PLAN_TABLE_OUTPUT
--------------------------------------------------------------------------------
Predicate Information (identified by operation id):
---------------------------------------------------
2 - filter(SUBSTR("EC"."strgfd",1,8)<>'[CIMText' AND "EC"."DEATHDATE" IS
 NULL AND "EC"."TYPE"='BAR')

PLAN_TABLE_OUTPUT
--------------------------------------------------------------------------------
   3 - access("EC"."CONTEXTVERSION"='REALWORLD' AND "EC"."BIRTHDATE"<=TO_DATE('2
009-10-06

              11:52:12', 'yyyy-mm-dd hh24:mi:ss'))
       filter("EC"."BIRTHDATE"<=TO_DATE('2009-10-06 11:52:12', 'yyyy-mm-dd hh24:
mi:ss'))


Note: rule based optimization

The TKPROF output for this slow statement is:

TKPROF: Release 9.2.0.7.0 - Production on Tue Nov 17 14:46:32 2009

Copyright (c) 1982, 2002, Oracle Corporation.  All rights reserved.

Trace file: gen_ora_3120.trc
Sort options: prsela  exeela  fchela  
********************************************************************************
count    = number of times OCI procedure was executed
cpu      = cpu time in seconds executing 
elapsed  = elapsed time in seconds executing
disk     = number of physical reads of buffers from disk
query    = number of buffers gotten for consistent read
current  = number of buffers gotten in current mode (usually for update)
rows     = number of rows processed by the fetch or execute call
********************************************************************************

SELECT count(1)
from ehgeoconstru  ec
where ec.TYPE='BAR'
and  ( (ec.contextVersion = 'REALWORLD')
AND ( ec.birthDate <= TO_DATE('2009-10-06 11:52:12', 'YYYY-MM-DD HH24:MI:SS') ) )
and deathdate is null
and substr(ec.strgfd, 1, length('[CIMText')) <> '[CIMText'

call     count       cpu    elapsed       disk      query    current        rows
------- ------  -------- ---------- ---------- ---------- ----------  ----------
Parse        1      0.00       0.00          0          0          0           0
Execute      1      0.00       0.00          0          0          0           0
Fetch        2      0.00     538.12     162221    1355323          0           1
------- ------  -------- ---------- ---------- ---------- ----------  ----------
total        4      0.00     538.12     162221    1355323          0           1

Misses in library cache during parse: 0
Optimizer goal: CHOOSE
Parsing user id: 153  

Rows     Row Source Operation
-------  ---------------------------------------------------
      1  SORT AGGREGATE 
  27747   TABLE ACCESS BY INDEX ROWID OBJ#(73959) 
2134955    INDEX RANGE SCAN OBJ#(73962) (object id 73962)

********************************************************************************

alter session set sql_trace=true


call     count       cpu    elapsed       disk      query    current        rows
------- ------  -------- ---------- ---------- ---------- ----------  ----------
Parse        0      0.00       0.00          0          0          0           0
Execute      1      0.00       0.02          0          0          0           0
Fetch        0      0.00       0.00          0          0          0           0
------- ------  -------- ---------- ---------- ---------- ----------  ----------
total        1      0.00       0.02          0          0          0           0

Misses in library cache during parse: 0
Misses in library cache during execute: 1
Optimizer goal: CHOOSE
Parsing user id: 153  



********************************************************************************

OVERALL TOTALS FOR ALL NON-RECURSIVE STATEMENTS

call     count       cpu    elapsed       disk      query    current        rows
------- ------  -------- ---------- ---------- ---------- ----------  ----------
Parse        1      0.00       0.00          0          0          0           0
Execute      2      0.00       0.02          0          0          0           0
Fetch        2      0.00     538.12     162221    1355323          0           1
------- ------  -------- ---------- ---------- ---------- ----------  ----------
total        5      0.00     538.15     162221    1355323          0           1

Misses in library cache during parse: 0
Misses in library cache during execute: 1


OVERALL TOTALS FOR ALL RECURSIVE STATEMENTS

call     count       cpu    elapsed       disk      query    current        rows
------- ------  -------- ---------- ---------- ---------- ----------  ----------
Parse        0      0.00       0.00          0          0          0           0
Execute      0      0.00       0.00          0          0          0           0
Fetch        0      0.00       0.00          0          0          0           0
------- ------  -------- ---------- ---------- ---------- ----------  ----------
total        0      0.00       0.00          0          0          0           0

Misses in library cache during parse: 0

    2  user  SQL statements in session.
    0  internal SQL statements in session.
    2  SQL statements in session.
********************************************************************************
Trace file: gen_ora_3120.trc
Trace file compatibility: 9.02.00
Sort options: prsela  exeela  fchela  
       2  sessions in tracefile.
       2  user  SQL statements in trace file.
       0  internal SQL statements in trace file.
       2  SQL statements in trace file.
       2  unique SQL statements in trace file.
      94  lines in trace file.

Published by: PauloSMO on November 17, 2009 04:21

Published by: PauloSMO on November 17, 2009 07:07

Published by: PauloSMO on November 17, 2009 07:38 - title changed to be more correct.

Although your optimizer_mode is choosing, it seems that there are no statistics collected on ehgeoconstru. The absence of estimated costs and estimated row counts of each of the stages of the plan and the "Note: optimization based on rules" at the end of these two plans would tend to confirm this.

Optimizer_mode choose means that if statistics are collected then it will use the CBO, but if no statistic is present in any of the tables in the query, the optimizer to rule will be used. The RBO tends to be happy in the best of the index case. I guess the index ehgeoconstru_VSN contextversion as the main column and also includes the date of birth.

You can either gather statistics on the table (if all other tables have statistics) using dbms_stats.gather_table_stats, or suggest the query to use a full scan instead of index. Another solution would be to apply a function or an operation against the contextversion to prevent the use of the index. something like this:

SELECT COUNT(*)
FROM ehgeoconstru  ec
WHERE ec.type='BAR' and
      ec.contextVersion||'' = 'REALWORLD'
      ec.birthDate <= TO_DATE('2009-10-06 11:52:12', 'YYYY-MM-DD HH24:MI:SS') and
      deathdate is null and
      SUBSTR(ec.strgfd, 1, LENGTH('[CIMText')) <> '[CIMText'

or maybe UPPER (ec.contextVersion) so that would not change the rows returned.

John

Where to write the condition in the design of workflows with conditional step?

Hello
Again, I wish BP and workflow with contitional design stage.
I had designed BP and workflow.
As directed by the user for Udesigner guide, I had added trigger before the condition step.
But I do not understand where to set the Condition to test?
If I need to write the condition in triggering elemt itsel... How to proceed?
for example, I want to write the condition as cost of Tota > = 100000, it must follow a path and if fails to another path.

The conditions of triggers are specified in the workflow settings. After you have created a new configuration, open it and click on the settings tab. You will see a tree structure of the workflow with conditional branches. Click a conditional branch to set the parameters for the trigger for this route condition.

Data not to see the detail block on running the query
I have a dev - 6i form. It contains two revenge joined database. The form was working properly but now all of a sudden, as I F8 run query it gives two error messages and do not run the block of detail data.

FRM-40819: System Variable is not editable.
FRM-40735: trigger YOU POPULATE DETAILS raised unhandled exception ORA-06502.
What is the reason how to get rid of him?
Hello

Unless changes occurred, you will not get error, maybe it occurred without your knowledge.

Cases - open your source fmb file, rename and delete the link and create the link - compiles now.

Run the form, and then paste the result here.

-------------

Gul says:
I have a dev - 6i form. It contains two revenge joined database. The form was working properly but now all of a sudden, as I F8 run query it gives two error messages and do not run the block of detail data.

FRM-40819: System Variable is not editable.
FRM-40735: trigger YOU POPULATE DETAILS raised unhandled exception ORA-06502.
What is the reason how to get rid of him?

If I press the button 2 times to run the query 2 times
Hello..

If I press the button 2 times to run query 2 times
I want to limit this problem, than a run time enough.
no need to rerun query when I press the button because it will make the erroneous data.

Please give me a solution
Maha
Hello Maha

did you use KEY-EXEQRY trigger and turn off the query button?

SET_ITEM_PROPERTY('BLOCK1.) REPRINT ', ENABLED, PROPERTY_FALSE);

Sorry not clear for me, but plu everything sounds good :)

Kind regards

Amatu Allah

Run the query qutomatically?
I have some static queries, where nothing changes, they just need to be re - run the first thing Monday morning.

I would like to know the best way to automate this? I'm on Oracle 11 G Enterprise and just an end user without administrator privileges.

I have SQL * Plus, Toad and SQL Developer available and I'm trying to figure out the best wa this simply. I thought that it
a way to store the SQL code on the side server, as with the function or Procs and just load the database when run the SQL.

So maybe instead of one email, maybe a follow-up table can be updated with the status of the update. So, if I have 3-6 different
SQL, the tracking table would have column 2, name of the Table and column DDL Date or anything that makes sense.

So my tracking table would be updated when you complete the SQL and tell me when it has finished running to be looking in the DDL Date column.
and then I could see what table he speaks, not sure... or what's the best way it is to do.

At this point, I'm in search mode, so some of my question may sound silly, but that's how I learned, thank you.
Hello

You can use dbms_scheduler to run a procedure at regular intervals (for example, every Monday at 6:00).
http://download.Oracle.com/docs/CD/E11882_01/AppDev.112/e16760/d_sched.htm#CIHHBGGI

The easiest way to view the results is probably to have the procedure INSERT messages into a log table. I think that's what you mean by a "tracking table.

Run the query issue
Hello world
I have 2 blocks where the first I used to enter the values I want to search by breaking and entering after that I entered the value when I tap on the last element of this block, I have a trigger of key_next_item which has execute_query and next_block inside, but sometimes some users make a mistake of choosing the wrong option of research so that they come back to my first block to find the option they want reach, but when they click on the class_id point, which is the one where I have the trigger that mentioned forms are trying to save the changes asking the user if he or she wants to save the changes and then my detail block erases all data. After that when the user enters the class he wants to search the master datablock brings information related to another user and not the one that was there before.
Can someone help me on this please?
It is in the search block that the user gets the message "Save"? If so, in this case, you could add a trigger to Enter-Query level block with the following code:
```
BEGIN
   Clear_Block(NO_VALIDATE);
   Enter_Query;
END;
```
Craig...

Run the query in accordance with condition

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