SQL & PL/SQL :: Partition A Table By List And Interval?

Dec 12, 2012

We have a table like below.

Create table Item_max
(
CCN varchar2(10),
Run_date date,
Item varchar2(10),
status varchar2(1)

[code].....

Currently we are inserting the cycle data for all Items every day into above table for all the CCN's.Currently there are 100k Items in our DB and gets inserted every day into above table with Different Rundates for all CCN's.

We need the above data for 6months and we would like to purge the data based on the RunDates.

We thought of creating a Partition on CCN and Interval Subpartition on Run_date with Interval of every 1 day but I could get any materials on the net to have List-Interval partitioning in Oracle 11G.

Also List - Range partitioning doesnt work here as the Dynamic partition used(using Maxused) will contain the data for all Run_dates instead of particular rundate.

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SQL & PL/SQL :: Dropping Sub-partition / Range-partition And List Sub-partition

May 28, 2010

i have table with range partition and list sub-partition..can i add one more list sub-partition if it is not possible , i have to drop first sub-partition.

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SQL & PL/SQL :: Getting Error While Creating Interval Partition

Sep 19, 2012

I have this requirement to pull the ACTIVE days that a participant holds true in a given month for a specific position he/she holds.The three date ranges here are: LOA dates(leave of absence), XFER dates(TRANSFER in/out of the position),Quality compliance(QUAL start/end dates).So,

INACTIVE DAYS = [(LOA + XFER + WW) - OVERLAPPING DAYS OF (LOA+XFER+QUAL)]
CREATE TABLE PAYEES
(
RUN_PERIOD DATE NOT NULL,
PAYEEID VARCHAR2(20 BYTE) NOT NULL,
LOA_START_DATE DATE,
LOA_END_DATE DATE,
[code]....

I am able to pull out the no of days on a individual basis(count of days for Xfer/LOA/Qual) but I am really not sure as to how should i go about determining the overlapping days between 3 date ranges to determine the ACTIVE/INactive days.

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PL/SQL :: Range Partition Using Interval Partitioning?

May 2, 2013

I am trying to create a partitioned table so that a number (which date converted to number ) partition is created on inserting a new row for release_date column.

note that release_date column is having number data type (as per design) and people want to create an interval based partition on this.

They want data type NOT to be altered.

create table product(
prod_id number,
prod_code varchar2(3),
release_date number)
partition by range(release_date)
interval(NUMTOYMINTERVAL (1,'MONTH'))
(partition p0 values less than (20120101))

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PL/SQL :: Dropping Partition Dynamically In Interval Partitioning

Aug 22, 2012

I have created an Interval Partition Table as show below, Is their any way, i can drop the partition dynamically when i truncate the table as oracle creates them with system generated name? Instead Alter table drop partition !

Create Table Script :
------------------------------------------------------------------------------------------------------------------------------------------------

CREATE TABLE TBL_EMP_SALES
(
EMP_ID NUMBER(38),
EMPNAME VARCHAR2(9),
EMP_SALES_AMOUNT NUMBER(5),
EMP_SALES_DATE DATE,

[Code]....

Insert Script :
------------------------------------------------------------------------------------------------------------------------------------------------
INSERT INTO TBL_EMP_SALES VALUES (1001,'A',50,SYSDATE);
INSERT INTO TBL_EMP_SALES VALUES (1002,'B',100,SYSDATE+1);
INSERT INTO TBL_EMP_SALES VALUES (1003,'C',80,SYSDATE+2);

[Code]....

Partitions Created :
-------------------------------------------------------------------------------------------------------------------------------------------------
select segment_name,partition_name,bytes from user_segments where segment_name = 'TBL_EMP_SALES';
segment_name partition_name bytes

TBL_EMP_SALES     P0     8388608
TBL_EMP_SALES     SYS_P602     8388608
TBL_EMP_SALES     SYS_P603     8388608

[Code]....

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SQL & PL/SQL :: Create Normal Partition Range On Date And Sub Partition List On Batch ID

Mar 17, 2011

I Know we can create dynamic partitions on table in oracle 11g. Is it possible to create normal partition and sub partition both dynamically.I have to create Normal partition range on date and sub partition list on Batch ID (varchar).

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Sub Partition By List On Multiple Columns

May 16, 2011

Can i partition by list on multiple columns? i am trying the following code, and it is returning an error. Is there a way round this?

CREATE TABLE
(...)
PARTITION BY LIST (col1)
SUBPARTITION BY LIST (col2)
SUBPARTITION TEMPLATE (
SUBPARTITION DETAIL VALUES ('DETAIL')
SUBPARTITION ROLLUP VALUES ('ROLLUP'))
(
PARTITION RT VALUES('RT')
)

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Performance Tuning :: How To Assure Partition Table Is Better Than Non-partition Table

Mar 25, 2011

I think that performance better partition table than non-partition table. How to assure partition table is better than non-partition table at SELECT operation?

I have compare a specific query EXPLAIN PLAN at partition table and non-partition table. both tables data is same. Is it true way or not?

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Performance Tuning :: Select Partition Table With Non-partition Key Condition?

Jun 26, 2010

I have a table that partitioned into six partitions. each partitions placed in different table space and every two table space placed it on a different hardisk

when I will do query select with the non-partition keys condition, how the search process ? whether the sequence (scan sequentially from partition 1 to partition 6) or partition in a hardisk is accessed at the same time with other partition in other hardisk. ( in the image, partition 1,4 accessed at the same time with partition 2,5 and 3,6)

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Server Administration :: Create Subpartition For Existing List Partition

Dec 14, 2012

We have a table which is already partitioned by list and now we would like to add a subpartition.

Create table Item_mst
(
ccn varchar2(10),
Flag varchar2(1),
Item varchar2(10),
status varchar2(1)
)

[Code]..

Now I could like to alter the above table for adding a new subpartition on each partition on status.

ALTER TABLE Item_mst
MODIFY PARTITION Item_mst_Test
ADD SUBPARTITION Item_mst_Test_A VALUES ('A');

Above alter gives ORA-14253: table is not partitioned by composite range method.

However dropping and recreating the table with subpartitions is working fine.

But Dropping and recreating the table in production is very cumbersome as it has huge data and many indices.

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SQL & PL/SQL :: Alter Table To Create Partition On Non-partition Table?

Jun 19, 2012

Can i alter the table to create partition on non partition table, i have tried and could not create it. Do we have some other means to do it as this is the live table and cannot drop them else will lose the data.

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SQL & PL/SQL :: Add Range Sub-Partition To Hash Partition Table

Jan 2, 2013

Can I add range sub partition to a hash partition table. Example like this.

CREATE TABLE test
(
test_id VARCHAR2(10 ) ,
test_TYPE VARCHAR2(5) ,
CREATE_DATE date
)
partition by hash (test_id, test_type)
Partitions 3
SUBPARTITION BY RANGE (CREATE_DATE);

When Tried, I am getting syntax error as invalid option.

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SQL & PL/SQL :: Adding A New Partition To Existing Partition Table

Jun 14, 2011

i want to create a new partition for version 2

existing table is as below

create table test
(
name varchar2(100),
version NUMBER(12)
)

[Code]....

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SQL & PL/SQL :: Partitioned Table - Inserted Partition Key Does Not Map To Any Partition

Jul 10, 2012

I have two tables in which one is partitioned table with the following details.

CREATE TABLE "SCOTT"."TBL_MITTAL"
("ACCOUNT_NAME" VARCHAR2(50 BYTE),
"BILL_NO" VARCHAR2(50 BYTE),
"BILL_DATE" VARCHAR2(50 BYTE),
"CLI" VARCHAR2(50 BYTE),
"ANI" VARCHAR2(50 BYTE),

[code].....

When I am trying to insert record from tbl_mittal into tbl_temp table. I am facing "ORA-14400: inserted partition key does not map to any partition" error

SQL> insert into tbl_temp select * from tbl_mittal;
insert into tbl_temp select * from tbl_mittal
*
ERROR at line 1:
ORA-14400: inserted partition key does not map to any partition

AS tbl_mittal is having hugh number of records so I am providing only few rows from tbl_mittal table as test data.

ACCOUNT_NAMEBILL_NOBILL_DATECLIANICHARGE_START_DATEDURFROM_LOCATIONTO_LOCATIONINVOICE_IDCIRCLE
10000010357423128271095119301-Feb-111723006000931488182328-JAN-11 11.30.54.000000000 AM59.04CHANDIGARHJAIPUR271095119
10000011844187128348720198715-Jun-121409470011825531896615-MAY-12 09.10.36.000000000 AM28.03CHANDIGARHBANTWAL348720198
10000011844187128348720198715-Jun-121409470011825531927115-MAY-12 09.10.41.000000000 AM38.32CHANDIGARHBANTWAL348720198
10000011844187128348720198715-Jun-121409470011825531933015-MAY-12 09.10.46.000000000 AM28.81CHANDIGARHBANTWAL348720198
10000011844187128348720198715-Jun-121409470011825531930215-MAY-12 09.10.53.000000000 AM28.96CHANDIGARHBANTWAL348720198

[code].....

I also tried to upload the same data using sqlldr.

sqlldr log file contents is as follows:

Total logical records skipped: 0
Total logical records read: 1857532
Total logical records rejected: 801092
Total logical records discarded: 37

[code].....

So some sqlldr bad file contents is as follows.

100000118441871,283487201987,15-JUN-12,1723958000,9355115251,10-JUN-12 05.56.05.000000 PM,36.99,CHANDIGARH,AMBALA,348720198,,
100000118441871,283487201987,15-JUN-12,1723958000,7520533825,10-JUN-12 05.56.14.000000 PM,44.12,CHANDIGARH,AGRA,348720198,,
100000118441871,283487201987,15-JUN-12,1723958000,9356452151,10-JUN-12 05.56.17.000000 PM,116.83,CHANDIGARH,JALANDHAR,348720198,,
100000118441871,283487201987,15-JUN-12,1723958000,9331223048,10-JUN-12 05.56.21.000000 PM,28.33,CHANDIGARH,KOLKATA,348720198,,
100000118441871,283487201987,15-JUN-12,1723958000,7827927893,10-JUN-12 05.56.24.000000 PM,3384.33,CHANDIGARH,DELHI,348720198,,

[code].....

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PL/SQL :: Interval Partitioning On Table?

Mar 28, 2013

If a Interval Partitioning can be created on a table for every fortnight ? db version is 11g.

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Partition Size In A Partition Table

Jun 8, 2011

How to find the size pf a partition in a partition table?I guess we need to query views like dba_tab_partitions but I am not very sure. will running dbms_stats.gather_table_stats('schema_name,'table_name,'partition_name')

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How To Assure Partition Table Is Better Than Non-partition Table

Mar 25, 2011

I think that performance better partition table than non-partition table. How to assure partition table is better than non-partition table at SELECT operation?

I have compare a specific query EXPLAIN PLAN at partition table and non-partition table. both tables data is same. Is it true way or not?

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SQL & PL/SQL :: Add Partition To Table Without Partition?

May 5, 2011

I am trying to add partition to table without partition

with following code

ALTER TABLE ACC_LOC1_TAB
ADD PARTITION testpart BY RANGE (ALT_AUTHDT)
(PARTITION UPTO_2010 values less than (31-mar-2010),
PARTITION APR_JUN_10 VALUES less than (30-JUN-2010),
PARTITION JUL_SEP_10 VALUES less than (30-SEP-2010),
PARTITION OCT_DEC_10 VALUES less than (31-DEC-2010),
PARTITION JAN_MAR_11 VALUES less than (31-MAR-2011))

it will raise error ora-14020

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Partition A Non-Partition Table In 11.2.0.1

Feb 21, 2013

I am using Oracle 11.2.0.1 Oracle Database.I have a table with 10 Million records and it's a Non Partitioned Table.

1) I would like to partition the table (with partition by range ) without creating new table . I should do it in the existing table itself (not sure DBMS_ REDEFINITION is the only option ) (or) can i use alter table ...?

2) Add one partition which will have data for the unspecified range.

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How To Partition And Index The Table

Oct 24, 2011

how to partition and index my table for a special problem.

The table:

CREATE TABLE TEST (
ID NUMBER PRIMARY KEY,
U_VALUE NUMBER NOT NULL, -- Ranges from 0 - 30.000.000
O_VALUE NUMBER NOT NULL, -- Ranges from U_VALUE - 30.000.000
CREATE_TS TIMESTAMP DEFAULT SYSTIMESTAMP NOT NULL,
UPDATE_TS TIMESTAMP NOT NULL,
ITEM_TYPE NUMBER NOT NULL --<< Only 4 different values >>
);

As you can see, U_VALUE is ALWAYS lower than O_VALUE.I need to have the CREATE_TS in either main- or subpartition do drop the partitions after some time so i don,t have to use DELETE statements. The table has 360 millions rows.

The application has only 8 query which will always use a WHERE clause like this:

SELECT * FROM TEST
WHERE U_VALUE <= :1 AND O_VALUE => :2 AND ITEM_TYPE = :3

1. Is there any good technique how to create a good index for the queries (application will execute 120 queries per second)?

2. how to partition this table?

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Partition Table Is Not Getting Dropped?

May 2, 2012

I am trying to delete the partition, but I am getting error "ORA-01426: numeric overflow"

The original partitioning was:

TABLE_NAME PARTITION_NAME NUM_ROWS
F_TFP_CP_MONTH P_201108 0
F_TFP_CP_MONTH P_201201 (NULL)
F_TFP_CP_MONTH P_201202 (NULL)
F_TFP_CP_MONTH P_99999999 (NULL)
F_TFP_CP_MONTH P_201106 1159130358
F_TFP_CP_MONTH P_201105 0
F_TFP_CP_MONTH P_201104 1212566971
F_TFP_CP_MONTH P_201103 1002557990
F_TFP_CP_MONTH P_201102 0
F_TFP_CP_MONTH P_201101 0
F_TFP_CP_MONTH P_201012 0
F_TFP_CP_MONTH P_201011 0
F_TFP_CP_MONTH P_201010 0
F_TFP_CP_MONTH P_201009 0
F_TFP_CP_MONTH P_201112 (NULL)
F_TFP_CP_MONTH P_201111 (NULL)
F_TFP_CP_MONTH P_201110 (NULL)
F_TFP_CP_MONTH P_201109 (NULL)
F_TFP_CP_MONTH P_201107 1627218307

All partitions were dropped, but three; these three returned the same error when trying to drop them:

SQL> alter table dw.F_TFP_CP_MONTH drop partition P_201112;
alter table dw.F_TFP_CP_MONTH drop partition P_201112
*
ERROR at line 1:
ORA-01426: numeric overflow

SQL> alter table dw.F_TFP_CP_MONTH drop partition P_201111;
alter table dw.F_TFP_CP_MONTH drop partition P_201111
*
ERROR at line 1:
ORA-01426: numeric overflow

SQL> alter table dw.F_TFP_CP_MONTH drop partition P_201110;
alter table dw.F_TFP_CP_MONTH drop partition P_201110
*
ERROR at line 1:
ORA-01426: numeric overflow

So, the situation now is that the table only has these three partitions, and we are not able to empty the table, so that we can later purge it and recover the

space.

free that space and empty the contents of the table?

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Locks On Partition Table?

May 13, 2011

I have the below questions on the locking mechanism in a partition table. Example I execute the below query,

delete from table_name subpartition (subpartition_name);

In that case,

1. If we perform above query, then which level of lock is happened to the table/partition & sub-partitions?

2. If we perform above query on same sub-partition of the same table with different where clause, what will happen?

3. If we perform above query for same table but different sub partition at same time, what will happen?

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SQL & PL/SQL :: Indexing In Partition Table

Apr 16, 2013

i want to ask about indexing in partition table. i have table that indexed by local index. when i want to select all data. I execute this query

select * from Book_Issue_Part where status='Pinjam';

but it does not select all data, only partly data have selected. is it a wrong query to select all data in indexing partition table? so what query should i execute to get all data.

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SQL & PL/SQL :: Table Partition Using Joins

Mar 21, 2011

can i able to partition the table based on the column which is in another table ??

For example Table X need to be partitioned based on the column in The Table Y . and Table X and table Y has some relation.

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SQL & PL/SQL :: Partition Of Existing Table

Nov 30, 2011

We have a transaction table and has 30 million rows. The table is not partitioned till date. We need to create partition on this table. We had an idea of moving this data to a temporary table and create partition[range]on the original table and move the data back.

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SQL & PL/SQL :: Analyze Partition Table

May 22, 2012

Currently we are deleting the partition daily. Table structure is Interval partitioning. After deleting partition how to analyze the partition table.

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SQL & PL/SQL :: Hash Partition Table

Jun 27, 2010

I am facing a problem in fetching / updating records from a customer details table having around 20 million records. The table contains around 30 fields with 'MOBILE_NO' as primary key. most of the queries are having 'mobile_no' in where clause .I am planning to hash partition that table using mobile_no column as there is no other column available which can be used for partition.

clarify whether creating hash partition on such key would increase performance of data extraction as I have read on net that hash partitioning is not effective for performance tuning.

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SQL & PL/SQL :: Partition On Existed Table

Aug 14, 2010

How can we partition the existed table.

below scenario.

CREATE TABLE table_partition(sales number,year date,item char(4))
partition by range(year)
(
PARTITION p1 VALUES LESS THAN 1980,
PARTITION p2 VALUES LESS THAN 1982,
PARTITION p3 VALUES LESS THAN 1985
);

The above code will create table with partition.

That is the table is not existed before we are creating table with partition.

But my requirement is the table is already existed with 100000 rows.Now I want to range partition that table.

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Partition The Same Table Using Different Columns

Mar 5, 2013

I’m facing an issue in my current project where we have to run batch jobs and interfaces on the same master tables. These tables are huge (millions) and we get very poor response time.

We thought of partitioning the tables, but the problem is our batch jobs queries are based on dates (some run on monthly data, some runs on yearly data..) but interfaces uses primary keys.

I’m not sure on how to partition the tables in this situation, is there any way I can partition the tables in such a way that both batches and interfaces will get benefit out of it?

Our database infrastructure has a 3 Node RAC (each with 8 CPUs) and oracle 10g R2. We have almost 60gig of RAM allocated to oracle.

PS: We are not thinking about Mviews now because client wants to explore the partition option first.

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SQL & PL/SQL :: Deleting Partition Of A Table

Nov 19, 2012

create or replace
Procedure ReadingsPurge
As
v_sql varchar2(500);
v_date date;
p_count NUMBER;

[Code]...

-- Code below drops partitions that are older than the NoOfDays Parameter
OPEN c1;
LOOP
FETCH c1 INTO v_partition_name, v_high_value;
EXIT WHEN c1%NOTFOUND;

[Code]....

Above code is compiling successfully.

After I added the lines makred in the red font, when I tried to execute the stored procedure, I got an error

Error starting at line 1 in command:
execute ReadingsPurge
Error report:
ORA-00933: SQL command not properly ended
ORA-06512: at "CDC_USER.READINGSPURGE", line 30
ORA-06512: at line 1
00933. 00000 - "SQL command not properly ended"
*Cause:
*Action:

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