Minimum Size For Db_recovery_file_dest_size
Apr 25, 2013
i am trying to enable flashback on in my database and i am getting the below error.
idle> alter database flashback on;
alter database flashback on
*
ERROR at line 1:
ORA-38706: Cannot turn on FLASHBACK DATABASE logging.
ORA-38708: not enough space for first flashback database log file
my db_recovery_file_dest_size is 1g. If i change it to 20g i am able to "alter database flashback on".
Why does a size of 1g give this proble? Any simple steps or recommendation that i am missing? Or is the size of the DB which impacts the db_recovery_file_dest_size also?
idle> select *from v$version;
BANNER
--------------------------------------------------------------------------------
Oracle Database 11g Enterprise Edition Release 11.1.0.7.0 - 64bit Production
PL/SQL Release 11.1.0.7.0 - Production
CORE 11.1.0.7.0 Production
TNS for Linux: Version 11.1.0.7.0 - Production
NLSRTL Version 11.1.0.7.0 - Production
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May 21, 2007
what is the Minimum datafile size required for creating a non-system tablespace?
I am trying to create a tablespace by giving the syntax like,
SQL> create tablespace t1
2 datafile '/home/data/t1.dbf' size 72k;
create tablespace t1
*
ERROR at line 1:
ORA-03214: File Size specified is smaller than minimum required
SQL> create tablespace t1
2 datafile '/home/data/t1.dbf' size 73k;
Tablespace created.
The blocksize for my database is 4096, as i have heard that the minimum size of the datafile is decided by blocksize, but i want to know that how it is calculated as by giving the above syntax the other values will be default. I am trying the syntax in oracle 9.2.0.1.0 version.
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Jun 29, 2013
I have a table structure as follows Student(Id,First_Name, Last_Name, email, Contact, Address1 ,Address2, City, Edit_Date,Create_Date,Archived)
Now if there is more than one row with same email the one with the latest edit date should be updated with missing fields by using same field value other rows (if the field is present in more than one row, the one with the next latest edit date is to be considered) and
the archived status of all rows with same email except this master row must be set to 1.The Create_Date must be set to the minimum of all the create_date values of rows with same email value
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Jul 22, 2010
SELECT
REF.REFERRAL_TO,
REF.LOCAL_PATIENT_NUM,
REF.REFERRAL_REFERENCE_NUM,
TO_CHAR (REF.REFERRAL_DTE, 'DD/MM/YYYY') REFDATE,
TO_CHAR (OPC.CONTACT_DATE, 'DD/MM/YYYY') CONTACTDATE,
TO_DATE (OPC.CONTACT_DATE, 'DD/MM/YYYY') - TO_DATE (REF.REFERRAL_DTE, 'DD/MM/YYYY')
FROM
PAS.REFERRAL_DETAILS REF
FULL JOIN
PAS.OUTPATIENT_CONTACT OPC
[Code]...
This calculates the difference between a set date and a contact date, I only want it to return the minimum of the results set for each patient, how can this be achieved? At the moment it pulls off several records for each patient as there are several contacts.
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Oct 11, 2011
I have the following case:
create table try_o
(pk1 NUMBER, pk2 NUMBER, fld1 VARCHAR2(10), fld2 NUMBER,
PRIMARY KEY (pk1, pk2));
insert ALL
into try_o values (1,1,'f1',5)
into try_o values (1,2,'f1',5)
[Code]....
I need to get the row that contains the least pk2 among the group of records with the same fld1 and fld2. but if I used
select min(pk1), min(pk2), fld1, fld2
from TRY_o
group by fld1, fld2;
I get a record that doesn't exists as the min(pk1) and min(pk2) are from different records. I need to get the min(pk1) and its corresponding pk2.
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Apr 16, 2013
I am trying to find out what is the minimum Oracle User Role required for the GetSchema command to work using ODP.NET and the Oracle.DataAccess library.
Dim cn As New OracleConnection(ConnectionString) 'Oracle.DataAccess.Client.OracleConnection Return cn.GetSchema("Tables")
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Sep 17, 2011
how can i find nth maximum or minimum salary from a employee table? here i want only one row as output.
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Dec 16, 2009
I am trying write a script that will return all values (based on the minimum tarif) from the Germany table for any duplicate values. Duplicate values are any values with the same UFI, ZC,limitid,depot. The German table also contains the fields tarif, city, supplier, etc.
Below is the script I have previously used to sort out duplicates. I have tried 50 different ways get it to return just lines for the minimum tariff but haven't been successful.
select *
from Germany t
where (ufi,zc,limitid,depot) in (
select ufi,zc,limitid,depot from (
select ufi,zc,limitid,depot, count(*) n
from Germany t
group by ufi,zc,limitid,depot)
where n<>1
)
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Oct 1, 2013
I have the below scenario:
[u]Report_Time M I Ta[/u]
02-SEP-13X Y35167005
01-SEP-13X Y35931902
03-SEP-13X Y35931901
The output I am expecting from above is:
X Y 01-SEP-13 03-SEP-2013 35931902 35931901
II need to extract minimum report time , max report time and corresponding Ta.
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Nov 7, 2012
in this query, i am stuck in this little query but cant get answer lets suppose
select * from emp;
EMPNO ENAME JOB SAL
---------------------- ---------- --------- ----------------------
7788 SCOTT ANALYST 3000
7902 FORD ANALYST 3000
7876 ADAMS CLERK 1100
7934 MILLER CLERK 1300
7900 JAMES CLERK 950
[Code]....
now if i want to see min salary takers group by job then i use
select x.job, min(x.sal), count(*) from emp x group by x.job;
JOB MIN(X.SAL) COUNT(*)
--------- ---------------------- ----------------------
CLERK1 800 1
SALESMAN 1000 5
CLERK 950 3
PRESIDENT 5000 1
MANAGER 2450 5
Developer 2975 1
ANALYST 3000 2
The above result give me minimum salary but total number of JOB holders, You can see only one SALEMAN getting 1000 but count show total number of SALESMAN. Similarly 3 MANAGERS are getting minimum and same salary but count show total number of MANAGERS.
My question is how can i get number of person on min salary?
Possibly my data should be like as this
JOB MIN(X.SAL) COUNT(*)
--------- ---------------------- ----------------------
CLERK1 800 1
SALESMAN 1000 1
CLERK 950 1
PRESIDENT 5000 1
MANAGER 2450 3
Developer 2975 1
ANALYST 3000 2
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May 30, 2013
The prob is i want to display minimum intime and max outtime in idate against employee,report keep displaying multi inout records of an employees!
SELECT div.division,
DEP.department,
E.employeecode,
E.name empname,
DES.designation,
i.idate,
To_char (Min(i.intime), 'HH:MI:SS AM'),
To_char (Max(I.outtime), 'HH:MI:SS AM'),
Round(i.btime / 60),
e.shift
[code]....
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Dec 26, 2012
what are the minimum files which are required to open the db ? take it as this
I have oracle installed in c drive. I have placed 3 datafile related to one tablespace say test: two in D and one in E. I have place 3 datafile related to tablespace say orcl : two in D and one in E.
my undo is in E scenario is that my E drive crashed . db is in no archive mode . no backup is there. to be more worst db shuts down abnormally. I want my db open with data of c drive and D drive.
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Feb 21, 2012
I have following data
select rowid,object_name,object_type from do;
ROWID OBJECT_NAME OBJECT_TYPE
------------------ ------------------------------ ------------------
AAA/wuAAHAAAW73AAA CON$ TABLE
AAA/wuAAHAAAW73AAB I_COL2 INDEX
AAA/wuAAHAAAW73AAC I_USER# INDEX
AAA/wuAAHAAAW73AAD C_TS# CLUSTER
AAA/wuAAHAAAW73AAE I_OBJ# INDEX
AAA/wuAAHAAAW73AAF I_CON2 INDEX
6 rows selected.
I want it in the following manner
select rowid,object_name,object_type from do;
ROWID OBJECT_NAME OBJECT_TYPEGROUP
------------------ ------------------------------ ---------------------------
AAA/wuAAHAAAW73AAA CON$ TABLE2
AAA/wuAAHAAAW73AAB I_COL2 INDEX1
AAA/wuAAHAAAW73AAC I_USER# INDEX1
AAA/wuAAHAAAW73AAD C_TS# CLUSTER1
AAA/wuAAHAAAW73AAE I_OBJ# INDEX1
AAA/wuAAHAAAW73AAF I_CON2 INDEX1
6 rows selected.
Here the GROUP is changing when the data type is changing and thus for same data type the group shall remain the same As of now this is achieved by - first selecting distinct object_type, then it's mod(rownum,<input variable) and this result of 'mod' is doing the grouping which is the retrieved along with rowid of all individual record
Present query is as following and it is not much efficient
SELECT DO.ROWID RWID, RID
FROM DO,
(
SELECT OT,CASE MOD(ROWNUM,:v) WHEN 0 THEN :v ELSE MOD(ROWNUM,:v) end as RID
FROM(
(SELECT DISTINCT OBJECT_TYPE OT
[code]....
I tried using sequence with cycle but it gave different results. Even I tried following but it did not gave satisfactory results
select d.rowid,d.object_type,x.x1 from do d,(select distinct object_type,mod(rownum,:v) x1 from do where
created>'01-jan-2008')x where d.object_type=x.object_type and created>'01-jan-2008';
In short the query needs Distinct with mod(rownum) and individual records in a single pass The mod(rownum) i.e. group shall change when the object_type changes but then shall remain constant through out the particular object_type.
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May 8, 2013
We are planning to export the table data to a file pipedelimited. How do i estimate the size of the FlatFile based on the table size? or avg rowlength
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Apr 13, 2011
I am using oracle 8.1.5 database and my temp01.dbf file size is increased upto 19.8 GB now i want reduce its size .
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Dec 30, 2010
I am trying to restore to a backup instance on a backup server. When I try to recreate the tables I keep getting ORA-01659: unable to allocate MINEXTENTS. The tablespaces and datafiles on both servers show as the same size in OEM.
I have dropped all tables and OEM shows tablespaces are empty. Then I run a script to recreate all tables. Most of the tables don't get created because their TS is full. After the script to recreate all tables runs, the main tablespaces are full, more full than on the production machine. I have also tried ALTER TABLESPACE xxx COALESCE; on each tablespace right after dropping all tables and before recreating them to reclaim free space. Why is it full? I've only dropped and created the tables, there shouldn't be any data in them yet.
ORA-01659: unable to allocate MINEXTENTS beyond 2 in tablespace PLUS_T...The backup instance was already there, all I did was drop the tables. Here's what I ran on prod to build a script to recreate the tables on backup server. Got it off Burleson somewhere.
SELECT DBMS_METADATA.GET_DDL('TABLE',u.table_name) ||'; '
FROM USER_TABLES u;
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Aug 24, 2009
i have few questions to ask.
1)How to find out the total size of my database.
2)what is dblink and how to find out the same.
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Sep 13, 2011
One of my user is asking to give me the size(bytes) of row 39 and size(bytes) of row 49 of a table ZETR.
as i am not aware of how to collect size(bytes) for a particular row.
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Nov 21, 2012
I Have a server System Configuration with
RAM size: 16GB Ram & Hard disk Size of 1TB.
I Installed Oracle 11g R2 in the server SystemI want to Allocate Dedicated Memory for oracle..How Should i calculate the Memory size of SGA+PGA for good Performance..
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Apr 18, 2012
I have Oracle database.I take rman backup everyday.Also I set a scheduled backup script.But scheduled backup size is 166MB,but if I take manual rman backup(rman>backup database) this backup size will 2.8GB.This backup isn't incremental backup.
I wrote 3 batch script.Finally this backup script call
backup script:
run
{
backup database plus archivelog delete input format 'C:\db_11g_backup\backup\oracle_scheduled_backup\backups\%d_%t_%s.rman';
[Code]...
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Oct 3, 2013
How to increase ASM DATA free size? I tried deleting expired backups and old archive logs which are backed up more than one time. Still no success ..
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May 11, 2011
I'm having some issues with my NVarchar2 columns that I want to solve
My current NLS_CHARACTERSET is 'AL16UTF16', and therefore I can only create NVarchar2 columns with an maximum extension of 2000 bytes. But I do need a column with 4000 bytes length. How can I create an 4000 NVarchar2 column?
(I do not want to use a CLOB column...only a NVarchar2)
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Jul 12, 2011
AS of we know that we can get the number of blocks occupied by data in a table by querying the user_tables Data Dictionary.
My questions are,
1.)how to know if i want the each block size ?(i.e each block size either it is 4kb or 8kb or 16kb..)?
2.) Is the block size is same for all blocks in a table and in Database or it varies?
3.)The block size is DB dependent or Table dependent or Machine dependent(32-bit, 64-bit and OS)?
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May 17, 2013
I have a form that loads an image. Before storing the image on the database, I want to verify the size of the image. If the image is 0kb, I want to pop up a warning message and fail the load into the database.
I am using Forms 6i Version 6.0.8.23.2
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Oct 25, 2002
I find posted and written in many places that the DB block size should be a multiple of the OS block size. I can't find any information, however, on how to find what the OS block size is for an OS. How to find the OS block size for Windows and UNIX systems (Solaris, Linux, and HP-UX)?
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Oct 29, 2010
I've read the documentation that describes the storage management.I create a tablespace as:
CREATE TABLESPACE MY_TABLESPACE_NAME
DATAFILE 'path/filename1.dbf' SIZE 3000M AUTOEXTEND ON NEXT 200M MAXSIZE 4000M
LOGGING
ONLINE
PERMANENT
EXTENT MANAGEMENT LOCAL UNIFORM SIZE 1M
BLOCKSIZE 8k
SEGMENT SPACE MANAGEMENT AUTO
FLASHBACK ON;
As the extent management is local, does it mean that any storage clause of the objects (tables, indexes etc.) placed in it isn't taken into consideration? I mean in a case of placing a table in the mentioned tablespace that has a storege parameters defined as follows:
CREATE TABLE MY_TABLE(
...
)
TABLESPACE MY_TABLESPACE_NAME
PCTFREE 10
INITRANS 1
MAXTRANS 255
STORAGE (
INITIAL 100M
NEXT 20M
MINEXTENTS 1
MAXEXTENTS 50
BUFFER_POOL DEFAULT
)
1. what will be the initial extent size? 1M or 100M?
2. what will be the next extent size? 1M or 20M?
3. will the maxextents parameter be taken into consideration?
4. when i'm sure the tablespace is dedicated to keep only one object [MY_TABLE], what should be the relation between the initial datafile size [filename1.dbf] and the initial extent size? Should they be iqual or doesn't matter?
5. as the SEGMENT SPACE MANAGEMENT is AUTO, the PCTFREE param doesn't make sense, right?
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Aug 10, 2011
I am running Oracle 10.2.0.1.0 on MS Windows 2003 server 64-bit with 16G RAM.
Here is the findings for my Oracle database.
SQL> select * * from v$sgainfo;
NAME BYTES RES
-------------------------------- ---------- ---
Fixed SGA Size 1293560 No
Redo Buffers 7094272 No
Buffer Cache Size 830472192 Yes
[code]...
I find that the SGA component "Buffer Cache" is decreasing from the start "1.8G" and down to now 0.8G. On the other hand, the component "Shared Pool" is increasing from the start 0.3G to now 1.2G. I noticed that there are 100 operations of shrinking of "Buffer cache" and growth of "Shared Pool" in Oracle every day.Is it a indicator that I should raise up the SGA_MAX_SIZE?
I tried to increase the SGA_MAX_SIZE to 4G. But I cannot start the Oracle afterward.Is it a limitation of MS Windows(OS) or Oracle?I set the SGA_MAX_SIZE to 3G. This time, I can startup Oracle.What is the optimum/maximum I can set to SGA_MAX_SIZE?Is there any adverse effect/concern when setting the SGA_MAX_SIZE more than 2G?
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Apr 30, 2013
What is By Default Buffer size in Oracle ......?
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Jun 6, 2012
At a time my 20 GB undo tablespace was full. So i increased the tablespace size upto 48 GB. Then i saw 45 GB was used. Then i changed undo_retention=60. After that am seeing that 48 GB is full.
1) why it's happened?
2) Here what is the effect of undo_retention=60
3) How to resolve?.
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Jun 19, 2012
I will be installing SOA Suite with OSB in Exalogic for testing. It is not for the production environment and very simple application will be used for testing. Database admin asked me what size database would be required but I did not find clear answer in the documentation anywhere.
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