Application Express :: Refreshing Dev Workspace From Prod
Nov 7, 2013
I support an APEX app that has one workspace for Development and one for the live Production application. When I originally created the Dev instance I was able to copy tables and data by granting select privileges between the two workspaces (I did this one table at a time).
The development workspace data needs to be refreshed from production since it's been a long time since the initial refresh and is very out of date. I would like to do a couple things:
1) execute SQL to compare the tables in the two workspaces to ensure they're structurally identical
2) execute SQL to truncate Dev tables and refresh from Prod Is there a way to do this?
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Jun 6, 2012
APEX 4.0.2.00.07
Oracle 10.1.2.0.0
I have 2 workspaces, the one regard as Dev env, another regard as Pro. env. When the change need to be migrated, the some page of Dev workspace should be copy to Pro. one. I export the pages what I want to move from Dev., then try to import it into Pro. but I get the error as below:
Page Origin: This page was exported from a different application or from an application in different workspace. Page cannot be installed in this application. I don't want to copy the page one by one.
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Jul 4, 2012
We use Apex 4.0.1 and (to simplify) say we have 2 environments: DEV and PROD (both with same workspace ID.)Application 10 is in production, and currently being modified in DEV as part of an improvement project.However a bug is found in PROD and needs to be fixed as soon as possible. The steps we take are:
- Get the version currently in PROD from CVS
- Import it under a different application ID in the DEV environment, say application 11.
- Fix the bug
Now the problem starts. We always deploy whole applications to other environments (rather than individual components) and we want to keep the same application ID when we deploy this fix to PROD. But we only have the run-time environment in PROD, so it is not possible to override the application ID during deployment. So what we do is:
- Export DEV application 10 (the one being modified)
- Export DEV application 11 (the one with the bug fix)
- Import DEV application 11 over application 10
- Export DEV application 10 (the one with the bug fix)
- Import DEV applicaton 10 back (the one being modified)
- Deploy DEV application 10 to PROD (the one with the bug fix)
Is there a way to improve this (other than manually modifying the application ID in the export file)?
Another problem we have is that, once application 10 is imported into application 11, all the internal IDs change (hence the title of this post. :) ) This makes comparing versions in CVS a nightmare. Any way to prevent it? The only way seems to be import the application from PROD into the same application number in DEV, but this has an impact in the development process as no new development can be done until the bug is fixed.
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Jan 24, 2013
I have multiple application set-up using session sharing within the workspace.Technically all works fine, however it does not play nice with user behaviour.
Example:
Users logs into APP_ID:100. Since he isn't authenticated yet, he provides user/pass and the APP_SESSION is authenticated.
Now if the user switches using to another application (using a link provided in application 100) he gets redirect to APP_ID:101:APP_SESSION all is fine.
The session is already authenticated, the application shares the session and the user gains access to app 101 without having to authenticate again. All's fine!
However users don't behave they way. Instead of using an easy link in the application. They will use their own bookmark or type in the url for app 101 manually. That way the next application is either called with f?p=101:1:[SOME OLD SESSIONID FROM BOOMARK] or f?p=101 (with no further page or session info) In both cases instead of using the already authenticated session apex spawns a new session, which of course isn't authenticated yet thus forcing the user to authenticate and come complaining they have to login again.
Similar behaviour problems exists when the user opens a browser and tries to open both applications in each in a tab next to each other.Both tabs fetch there own initial session id and start writing it to the same cookie each in turn invalidating the other tab's session.These can lead to some fanatic ping pong actions. Thus it's impossible to open 2 applications sharing session in the same browser.
Is there any remedy for these situations?Can apex be as smart as for instance first trying to resume the session stored in the cookie and only if that session is invalid, start a new session?
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Jul 5, 2013
APEX 4.0 Sometimes, I am getting the below error when I tried to logging into APEX workspace (after giving workspace name, User name and password), Expecting p_company or wwv_flow_company cookie to contain security group id of application owner.
ErrorERR-7621 Could not determine workspace for application (:) on application accept. I found some threads related to this but in different way not exactly when I am getting this error.
After 2 or 3 times, this error will not come and I can able to logging into workspace What is the cause for this issue??
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Mar 19, 2013
I am trying to export a workspace from apex 3.2 to apex 4.2. After the workspace has been imported into apex 4.2, do I have to export and import the applications too? Don't applications reside on workspace and therefore if a workspace is imported, all the applications should have been imported by default?
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Oct 12, 2013
What can I do if I want to delete read only application from a workspace?
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Nov 24, 2012
I need to export my whole workspace/application from Oracle Application Express so if i was to move onto a new pc and install oracle again. I can import this file and everything will be as it was without need of editing anything.
Is this possible if so how? - Preferably export into 1 big file so importing will be with 1 mouse click instead of exporting to seperate database files etc.
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Jun 25, 2012
I tried to create my EA workspace for APEX 4.2 and got the following Error.
ORA-20987: APEX - GET_BLOCK Error. - ORA-20001: Execution of the statement was unsuccessful. ORA-01653: unable to extend table APEX_040200.WWV_FLOW_PAGE_PLUGS by 1024 in tablespace APEX_REL42 <pre>declare s varchar2(32767) := null; l_clob clob; l_length number := 1; begin s := null; wwv_flow_api.create_page_plug ( p_id=> 6594522669003504543 + wwv_flow_api.g_id_offset, p_flow_id=> wwv_flow.g_flow_id, p_page_id=> 0, p_plug_name=> 'Menu', p_region_name=&g
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May 29, 2013
I would like to create a process that allows me to move from record to record without refreshing a whole page. Specifically, I'd like to use a tree object that allows the user to select items and then have the details for that item show up on the right side of the page. Is there a way to do this without doing a complete page refresh?
So far I've tried two different on-demand processes:
- first I created an "Automatic Row Fetch", but I read on the board that this actually won't work as an on-demand process;
- I also tried a PL/SQL process that sets the various variables (e.g. ":P7_NAME") based on a query. This updated the session state, but it didn't refresh the fields on the page. Is there a way to trigger this refresh?
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Jul 3, 2012
There are two applications in the work space. Both the application have a link to navigation back and forth to the each other. have created a DB authentication to both the application.
My Requirement is if user log's into one application and navigate to other it must not ask for username and password
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Aug 24, 2012
Is there a way to make a button conditional on the existence of another app in the same workspace. What I am trying to do is have a MAIN app and several other MODULE apps in the same workspace. Then a button on a form in the MAIN app that will redirect to a specific page in one of the MODULE apps. If the MODULE app does not exist, meaning not installed, then the button would be invisible.
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Apr 17, 2013
Our apex currently has LDAP authentication scheme. We have many applications within the workspace. We are looking for a way to have one authentication scheme defined for all the applications so that user doesn't have to enter username/password for each application. How can I share my LDAP authentication scheme for multiple applications.
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Jan 24, 2013
I am trying to refresh a report with dynamic action. And getting the following errors:
{"dialog":{"uv":true,"row":[{"V":"Widget Failure
ORA-20876: Stop APEX Engine,
classic_report"}]}}
I have identified the problematic part. I have a multi-select select list and my query goes like this:
select o.order_id, s.salesrep_name
from ml_orders o, ml_order_salesrep_mapping m
where m.order_id(+) = o.order_Id
and case when :P22_SALESREP is null then 1
[code]...
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Jul 23, 2013
I would like to change the printing settings in my workspace Instance settings. But, I can't find the "Manage Instance" option mentioned in the tutorials.
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Nov 14, 2013
I am not able to refresh tabular form region on close of the modal page.
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Aug 17, 2012
I need to refresh my main page after closing the popup page displayed by skillbuilder plugin
apex 4.1.0/Oracle 11g Ent.
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Oct 18, 2013
I have created a workspace to use oracle apex, after a while I tried to run a script, the following message has been displayed to me, The script output reached the maximum workspace result size limit. Delete existing results or contact your administrator to increase the maximum workspace result size.
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Mar 26, 2013
I'm using Apex 4.2. On click of a button, I refresh 2 Standard Region Reports with a Dynamic Action. This dynamic action has been working without problems for WEEKS and all of a sudden i'm getting the ORA-20876: Stop APEX Engine error when I click the button.
In the dynamic action, I removed the refresh of the second report and now the error does not occur. If I add the second refresh action back in, it throws the above error. I've even tried making the second report identical to the first and the refresh action fails. why this is failing on the second refresh action since the second report & region is IDENTICAL to the first report now.
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Jan 26, 2011
I am getting the below error when I import a table from Prod to Dev. I understand this error will be occured if length of the datatype is low. First I got the error when the datatype(length) which is 25 for the column PASSWORD column.Then I increased the length of this column to 45, then it was imported successfully.
why am facing the error when the datatye and length for this table is same in prod and dev? What are the possible ways to import the data without increasing the PASSWORD column length?
IMP-00019: row rejected due to ORACLE error 12899
IMP-00003: ORACLE error 12899 encountered
ORA-12899: value too large for column "ANEES"."SALSA_WEB_ACCESS"."PASSWORD" (actual: 28, maximum: 25)
[code]....
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Apr 23, 2013
11.2.0.1
I am monitoring out PROD database using EMCA database control.
Under "Performance" tab I check the AVERAGE ACTIVE SESSION and I see spikes of "CPU concurrency". (figure emca1)
figure: emca1>
[URL].......
I want to investigate what causes this "spike" in cpu so I drill it down further:
figure: emca2>
[URL]........
Then figure drill down further:
figure: emca3>
[URL].......
But I can not understand what causes the spike thing.
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Aug 10, 2013
we are in the migration of oracle apps 11.5.9 [version] , while uploading AR open invoices we used auto accounting rule for revenue account , but we did this changes its not taking an effect , same revenue a/c we uploaded is uploaded , but the auto accounting is not taking an effect ,
for a work around we migrated the data ! but we would be the root cause and possibilities why it hasn't worked ?
But this auto accounting rule worked in CRP & UAT as well ...!!!
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Apr 22, 2013
has copied one table data from Production to any other schema , know which user has done this ?
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Jan 21, 2013
outlining 'key' differences between databases / configuration / hardware that can potentially make a difference to what results you get when running sql / pl/sql - I am trying to find a check list to use against PROD / DEV / TEST environments.
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Jun 4, 2012
I have a mview based on the database link. Mview created without the error and first time refrehment has been done properly in time, but after the first time it is not refreshing.
CREATE MATERIALIZED VIEW "SMSCHAT"."TBL_VOICECHAT_NEW1"
ORGANIZATION HEAP PCTFREE 10 PCTUSED 40 INITRANS 1 MAXTRANS 255 NOCOMPRESS NOLOGGING
STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT)
TABLESPACE "SMSCHAT"
BUILD IMMEDIATE
USING INDEX PCTFREE 10 INITRANS 2 MAXTRANS 255
STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
[code].....
I have set the refreshment time for mview for 15 min with the following command
alter MATERIALIZED VIEW SMSCHAT.TBL_VOICECHAT_NEW1 REFRESH FAST START WITH sysdate+0 NEXT sysdate+(15/86400*60);
But now this mview is not refreshing and no jobs is showing in dba_jobs_running.
18:10:32 SQL> select LAST_DATE,LAST_SEC,THIS_DATE,THIS_SEC,NEXT_DATE,NEXT_SEC,TOTAL_TIME,BROKEN from dba_jobs where job=234;
LAST_DATE LAST_SEC THIS_DATE THIS_SEC NEXT_DATE NEXT_SEC TOTAL_TIME B
-------------------- -------- -------------------- -------- -------------------- -------- ---------- -
04-jun-2012 17:47:13 17:47:13 04-jun-2012 18:02:13 18:02:13 34 N
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Jul 10, 2012
I am often tasked with refreshing schema's from one DB to another.The first thing I need to check is the space the objects take up in the source DB. SQL statement that prints the size of the following objects
('SEQUENCE','SYNONYM','TABLE','INDEX','PACKAGE','PACKAGE BODY','DATABASE LINK','VIEW','PROCEDURE')
which is totaled by owner, TS.. Or the SQL can just take in an owner. I am looking for an output similiar to this:
TS name, owner, object_name, object_type MB SIZE
users xxx t1 table 100
users xxx t2 table 200
sum of tables 300
[code]....
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Nov 20, 2012
I am creating a "time aware" (DAY, WEEK, MONTH, QUARTER, and YEAR) dimension using Analytic Workspace Manager.
Let me give you some background. I'm coming from a traditional "Oracle Express" OLAP background where all our data is stored in cubes and these are defined, populated and operated on using OLAP DML, there is no SQL or traditional relational tables involved.
I now want to pull data from relational tables into some OLAP cubes and am using Analytic Workspace Manager to do this (maybe this is not the best way?)
Let me explain what I'm trying to achieve. In OLAP worksheet I can type the following DML commands:
DEFINE MY_DAY DIMENSION DAY
MAINTAIN MY_DAY ADD TODAY '01JAN2011'
What this will do is create a "day dimension" and will populate it with values for each and every day between 1st Jan 2011 and today. It will be fully "time aware" and thus you can use date functions such as DAYOF to limit the MY_DAY dimension to all the Fridays etc. Similarly if I define a "month dimension" there will be an automatic implicit relationship between these two dimensions, this relationship and time aware cleverness is built into Oracle.
However, a dimension defined using DML commands (and indeed all objects created using DML language) is not visible in Analytic Workspace Manager (as there is no metadata for them?) and for the life of me I cannot work out how to create such a dimension using AWM. If I create a "Time Dimension" then, as far as I can tell, this is not a proper time dimension but merely a text dimension and I, presume, I have to teach it time awareness.
I have no issues creating, and populating cubes from relational tables using Analytic Workspace Manager, the only issue I have is creating a "proper" time aware dimension.
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Jan 25, 2011
I am confused to see one materialized view is not refreshing automatically, whereas the same thing I can do manually.
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May 3, 2010
Am getting an error while trying to refresh a Writeable Materialized view using the following statement -
exec dbms_mview.refresh('schema_name.MV_name','C')
Error:-
ORA-02448: constraint does not exist
ORA-06512: at "SYS.DBMS_SNAPSHOT", line 2254
ORA-06512: at "SYS.DBMS_SNAPSHOT", line 2460
ORA-06512: at "SYS.DBMS_SNAPSHOT", line 2429
ORA-06512: at line 1
The Primary Key Constraint on the base table/MV is deferrable, the base table and the MV are in different schemas and the user trying to refresh the MV has an explicit grant on "ALTER ANY MATERILIZED VIEW" and "SELECT ANY TABLE" through a role.
Its refreshing successfully when I make the PK constraint (Base Table, MV) NOT DEFERRABLE (or) when I explicitly grant "SELECT ANY TABLE" to the user trying to refresh the MV.
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Nov 29, 2010
Simplifying the data structure that my problem concern, let's say there are two materialized views between whose data there's a one-to-many relationship [the relationship can be logical without a need of creating any foreing keys].
The data should be as actual as possible respecting the content of the master tables, let's say it shoul be refreshed every 5 minutes.
As far as I know, the jobs related to each snapshot, even if they have a START WITH and NEXT parameter set to the same value, work independently...So: what would be the best manner to synchronize the jobs so as to make sure the data of both snapshots are coherent?
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