RMAN :: Redo Log Sequence Gets Pushed Back
Jul 31, 2013
Today we reverted back our Virtual machine to the snapshot taken on 7/25. Sure enough it worked.When you revert back the snapshot, you are literally going back in time so that means the redo log sequence gets pushed back. So, we start back old log sequence number which is where we were on 7/25. The problem is that we took the RMAN today before the snapshot was taken, now that we reverted back to old date 7/25. Now what happens to the backup pieces that we took after 25th July to till date in RMAN? do I need to delete those backups which were in there in RMAN taken after 7/25?
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Mar 13, 2011
cache sequence all my sequence scripts has a cache of 20...here is the script
CREATE SEQUENCE APP_TEMP_SEQ
START WITH 1000400
MAXVALUE 999999999999999999999999999
MINVALUE 1
NOCYCLE
CACHE 20
NOORDER;
is there any draw back caching sequence ? I noticed in my tables several sequences are skipped.
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Dec 23, 2011
How can i create an oline back up of database using RMAN?
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Jul 25, 2012
URL....I'm practicing for the OCP test and one of the questions is that there is a backup from yesterday and the last archived logs are from the day before yesterday not mentioned if it's cold or hot backup.
If its a cold backup - cant we recover it? is it a must to have the archived redo logs also when recovering a cold backup? That sounds not logical since those logs are made only for a hot backup. URL.....
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Feb 26, 2013
Suppose we need to run the following: DB is single instance. DB Version 10.2.0.5
run {
SET UNTIL SEQUENCE ##;
duplicate target database to QA;
}
Can we use “list backup of archivelog all” or “list backup" in order to get SEQUENCE?
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Jun 1, 2013
How the loop back entry in /etc/hosts relates to listener?
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Aug 16, 2011
The requirement is, the combination of col1,col2,col3 and col4 should always be unique, and wherever the col1, col2,col3 are same then col4 should be the sequence, starting from 1. Likewise the data should be updated back to the table.I'm able to do this using PL/SQL. Can I do the same using a single update statement?
create table tab1 (col1 number(5), col2 number(5), col3 number(5), col4 number(5));
Existing Data:
insert into tab1 values (101,521,3,1);
insert into tab1 values (101,521,3,1);
insert into tab1 values (101,522,3,2);
insert into tab1 values (101,522,3,2);
insert into tab1 values (101,523,3,1);
insert into tab1 values (101,523,3,2);
[code]....
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Nov 8, 2010
I have deleted all the records from the table.And I have committed.Now I want to get all the records back.
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Jul 22, 2010
I want a function that'll execute a query and return the whole table record then i need to somehow pick a column in that record and return the data in that column
So like
function something(p_param varchar2)
return table_record
something('blah).employee_number
where employee_number is a column in that table
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Feb 21, 2012
I'm making a menu in my form, wherein it has FILE, TRANSACTION and REPORT. Under FILE it has BACK, and LOGOUT. In my back menu item, i want to go back to the previous block or previous module. I used previous_block but it's not working in some of my blocks.
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Apr 9, 2012
I come from a world of MSSQL and have been thrown into doing some Oracle work. Great! Ok, moving on.. I work in an environment where I do not have direct access to the database tables that I need data from. As a workaround, I have been asked to create a stored procedure that will be loaded into our CRM system's production db once it goes through the internal "approval" process.Basically, I need to return a result set back to the client by calling a stored procedure.
Version 1 of this that was already in place was done with the following code.
procedure events_by_day (p_start_date IN OPERATION_LOG.DT%type,
p_end_date IN OPERATION_LOG.DT%type,
p_results OUT SYS_REFCURSOR) IS
BEGIN
OPEN p_results FOR
[code]....
Then the code is executed from the client side like so:
events_by_day(p_start_date => to_date('2012-3-27 00:00:00', 'YYYY-MM-DD HH24:MI:SS'),
p_end_date => to_date('2012-3-29 23:59:59', 'YYYY-MM-DD HH24:MI:SS'),
p_results => r_cursor);
LOOP
FETCH r_cursor
INTO event_date, event_acct_no, event_type, event_count;
[code]....
As you can see, a SYS_REFCURSOR was used in this case to pass the data back.
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Jul 22, 2013
When we are running a query it is giving us the result based on the conditions .But to know what exactly is happening in the database when we are running a query against it and how finally it returns the result.
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Apr 10, 2012
I have a 3 node RAC server on Windows Server 2008. Last week the hard drive went out on one of the nodes and I have had to rebuild as I could not recover anything.
I went through and deleted the old node and now I have just finished adding the new node back to my cluster via documentation. Once I created the new instance on that server DBCA attempted to start and it failed gaving me a crs error. I found out later that the other 2 nodes went down and the new one that did not start correctly was the only one up!! I went and stopped the new instance and restarted the first 2. The associated services did not start with the instance so I had to start each manually. The trace files show an ORA-29702 error with cluster group service and the instance being stopped on both of the existing nodes. No other error messages stood out.
Now I cannot get any crs services to start on that 3rd node even if I attempt to start manually. I have also tried stopping all and restarting and that does not work. I found another post on this forum from you and followed it. The ASM service was fine the entire time through all the logs and I don't know how to verify LMON in Windows but I didn't see any LMON errors in the alert log. Also, the voting disks are online. Each node has their own and they are mirrored. Where else to look?
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May 11, 2011
here i have an question with oracle database backup strategy.my question is
how to backup my oracle database call DB11G without archived logs while the database is open for user activity and also this should be the base for an incremental backup strategy?
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Mar 31, 2007
I am trying to generate a software that used VB as the front end and Oracle 10G as the back end. I have noticed that the date format is VB is : m/dd/yyyy whereas the date format in oracle is dd-mm-yyyy. Whenever i try to insert a tuple with either of the date formats, the program halts running and after a long time , i get a message saying a deadlock was encountered. I have never had any formal introduction to either of the two tools
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Mar 29, 2012
I overwritten the package and want to get the previous version.
Is there a way I can get it using FLASHBACK or any other feature?
My user_recyclebin is showing only tables.
SELECT object_name, original_name, TYPE
FROM user_recyclebin;
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Aug 15, 2012
We have a forms application in Forms 10g. We scan a document and gets it to a image item in the Form. Now, we need to pass this image to a 3rd party application (document mgt. system, ). They have given us a web-service for this. We have to convert the image to a BASE64 string and then invoke the web-service method and input it.
The, 3rd party application document management system will also send images as BASE64 strings through the web-service. We need to convert them back to a blob and put to an image item in the form so that it can be viewed by the end-user.
So, how can we convert a image item in form (as BLOB) to a base64 string and also do the reverse???
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Jul 23, 2013
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
PL/SQL Release 11.2.0.3.0 - Production
CORE 11.2.0.3.0 Production
TNS for HPUX: Version 11.2.0.3.0 - Production
NLSRTL Version 11.2.0.3.0 - Production
Can I call a function from a regexp back reference? I would like to call SELECT UTL_ENCODE.TEXT_ENCODE (:mytext, 'WE8ISO8859P1', 1) FROM DUAL;
for all text after Password= and before line break WITH t AS (SELECT '[MyDB]
Army=@MyDBarmy
Navy=@MyDBnavy
Airforce=@MyDBairf
[code]...
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Jun 24, 2010
Is there a way to force a query to ALWAYS bring back a certain amount of rows, even if some of the rows are blank?
I know there's a way in MSSQL but not sure how to in SQL+
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Nov 4, 2011
Enterprise Edition Release 10.2.0.5.0
SQL> SELECT * FROM NLS_DATABASE_PARAMETERS where parameter = 'NLS_CHARACTERSET';
PARAMETER VALUE
------------------------------ ----------------------------------
NLS_CHARACTERSET AL32UTF8
SQL>
There is table (VIN_TEMP) in my company database containing following records. It seems like this table should contain some greek language special chracter values instead of this weird data.
SQL> select * from vin_temp;
ATTR
--------------------------------------------------------------------------------
���9999
���9998
���9997
���9997
[code]....
Client are reporting these records as invalid and requesting us to fix. As i investigated i found out, this table was created and loaded few year back. Client sent us one time files which we loaded into this table. I was able to find the code which was actually used to load this table, but unfortunately i was not able to find the raw files where we load this data from...
It seems like Previous Developer specified character set "UTF8" statement, in his sql loader script, to load this data. It seem those file contain some Greek language special character data which was not support by "UTF8" charater set and result in creating those invalid data. My Job is to fix these invalid records and convert them back to its original values which were present in the raw file. I tried to contact client and see if i can find out the raw files but no luck. I tried to use convert function as mention to convert this data from "UTF8" to our current character set format but no luck.
SQL> SELECT attr, dump(attr), convert(attr,'UTF8', 'AL32UTF8') from vin_temp;
ATTR DUMP(ATTR) CONVERT(ATTR,'UTF8','AL32UTF8'
------------------ ---------------------------------------------------------------- -----------------------------
���9999 Typ=1 Len=13: 239,191,189,239,191,189,239,191,189,57,57,57,57 ���9999
���9998 Typ=1 Len=13: 239,191,189,239,191,189,239,191,189,57,57,57,56 ���9998
���9997 Typ=1 Len=13: 239,191,189,239,191,189,239,191,189,57,57,57,55 ���9997
���9997 Typ=1 Len=13: 239,191,189,239,191,189,239,191,189,57,57,57,55 ���9997
[code]....
Here is the script to create table with those type of invalid records.
create table VIN_TEMP
(
attr VARCHAR2(50 CHAR)
);
insert into VIN_TEMP (attr) values ('���9999');
insert into VIN_TEMP (attr) values ('���9998');
[code]....
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Mar 3, 2012
what is flash back recovery area? what is its main function and usage
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May 5, 2013
I have two Oracle databases (test1- 10gr2,test2 - 11gr2) on rhel 5.5. is it possible to find which particular oracle process belongs to which home from OS level. was trying to find which db processes are consuming more resources on my host.
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Sep 3, 2013
I have a shells script which invokes a SQL file. However even with AUTOCOMMIT OFF and on SQLERROR EXIT ROLLBACK. Sqlplus fails to rollback.
My sql file has 3 lines 3 are correct and 1 is incorrect. For example:
INSERT INTO TEST_ROUTING VALUES (24, 'ROUTING');
INSERT INTO TEST_ROUTING VALUES (25, 'ROUTING');
INSERT INTO TEST_ROUTING VALUES (26, 'ROUTING);
Lets say file is called 1.sql
My shell script invokes this SQL as follows: (Where $File1 = 1.sql)
$SQLPLUS_PATH/sqlplus -s /nolog <<-EOF>> ${LOGFILE}
connect $DB_USER/$Password1@$Database1
SET AUTOCOMMIT OFF
@$File1
WHENEVER SQLERROR EXIT ROLLBACK;
EOF
[code]......
So tried SET AUTOCOMMIT, tried SQLERROR ROLLBACK and tried few variations.
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Sep 17, 2010
I created a tab canvas and changed the background color of one of the tabs. Now I am unable to change it back to the default color.
I tried entering "None" in the Background Color property and even tried keeping the field blank. But it keeps on prompting me to enter a color value. Now it is looking funny with all the tabs in the default color and only one tab in some different color.
How do I get back the default color?
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Sep 4, 2010
I'm using few cursors to update my data and store it back to the same table. But for some reason the cursor seems to be picking obsolete data.
cursor c1
is
select distinct roles
from table1
where flag = '1';
cursor c2
is
select distinct roles
from table1
where flag = '1';
begin
for i in c1
loop
here im updating the roles im picking to to a suffix and role.
update table1
set role = suffix_role
where 'some condition';
end loop;
commit; -- committing so changes are visible for my next cursor.
for j in c2
loop
here im deleting all the roles that are not part of my comparing table.
delete from table1
where role = 'something';
But in my debugging table i see that its deleting roles present as input for first cursor, whereas it should actually pick data with suffix_roles.
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Oct 24, 2013
In Application Builder, when editing an item's properties there is a handy 'Up' arrow at the top right of each region which takes you back to the top of the page. Is there any way of adding something similar to an actual page region as this would be useful when creating particularly large pages (I know, we should design smaller pages but that's not always possible).
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Jan 18, 2012
I have created a Package named pkg_pur_order which consists of a function and a Procedure.I have declared the procedure as Autonmous_ Transaction. But whenever I try to execute this procedure it fails and I get error msg as :
exec pkg_pur_order.prc_orders
ORA-06519: active autonomous transaction detected and rolled back
ORA-06512: at "DBO.PRC_WRITE_LOG", line 13
ORA-06512: at "DBO.PKG_PUR_ORDER", line 36
ORA-00001: unique constraint (DBO.SYS_C00138632) violated
ORA-06512: at line 1
[code]....
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Sep 19, 2012
create or replace package body test_exp_pkg as
procedure l_test_exp (errcode out Varchar2, errm out varchar2)
as
l_rec zt574%rowtype;
begin
[code]]....
output:
---------
anonymous block completed
in package init
caught in l_test_exp-1422ORA-01422: exact fetch returns more than requested number of rows
caught in l_test_exp errcode and errm set to -1422sqcORA-01422: exact fetch returns more than requested number of rows
caught in test_exp1User-Defined Exception
caught in others errcode and errm
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Nov 11, 2012
Normally if node fails, VIP & resources are transferred to another node (clients need to failover).
if node is back again CRS detect this, make it as 'family member' and try transfer VIP & resources back to this node (clients will force to failover again).
this failover (despite of failover method I use) make each uncommitted transaction to be rolled back. client need to be disconnected from the service and VIP through they are connected to this service and they need reconnect to the new node - during this stage all DMLs modifications are gone, and need to be re execute.
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Oct 15, 2012
I have a standard workflow process which was started but got completed without performing all the process.The process had to generate two(Comments & Approval) notifications but generated only one & as the user responded to the notification it got completed without invoking the approval process.Now I need the workflow to be rolled back to the initial step to restart the whole process again.
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