create partition on table in oracle

This is an example for the 12c new feature of creating interval partitioned tables as parent tables for reference partitioning. Check the table space and file_name already present for partition. 4. Similarly p3 and p4. . So, every day you would have a job to create tomorrows partition - alter table t add partition (or use interval partition in 11g to automate this) SPOOL Rajeshwaran Jeyabal, November 18, 2008 - 5:52 am UTC Tom !! We will do the following steps to create a partition on existing table in oracle. I assume I need some ALTER statement. ( Log Out / This post demonstrates how to implement a partitioning feature for tables in Oracle Standard Edition (Oracle SE) using a single view accessing multiple sub-tables and the … 1994. are assigned, but the STORE IN clause distributes them across the 4 Part 3: Partitioning in Oracle 10g and Oracle 11g. system generated names, and they are placed in four named tablespaces Convert CSV to MySQL time you are concerned about only one year i.e. For external partitions of ORACLE_HIVE and ORACLE_HDFS access driver type, the DEFAULT DIRECTORY is only used to store specifications for log files. New partitions must be of the same type (LIST, RANGE or HASH) as existing partitions. In this article we will look at: How to create table partitions Query to check table partitions Query data from each partition Creating Index on partition table and Partitioning an existing non-partition table Crate Partition Table You can use below query to create sample table with time range partition. Partition descriptions identifying partition bounds, Number of subpartitions for each partition or descriptions of The first column is called customer_id which is created as a number datatype (maximum 10 digits in length) and can not contain null values. Convert Foxpro to MSSQL It is used to save the hard disk space but it will increase the overhead during retrieve and store data. Interval - Interval partitioning is an extension of range partitioning that instructs the database to automatically create a new range partition when data is added that does not belong to any of the existing partitions. than MAVALUE, then you will not be able to insert any row with year above So that when I want to delete a one month’s data I could be able to delete that partition containing data. Online Conversion of a Non-Partitioned Table to a Partitioned Table in Oracle Database 12c Release 2 (12.2) In previous releases you could partition a non-partitioned table using EXCHANGE PARTITION or DBMS_REDEFINITION in an "almost online" manner, but both methods required multiple steps. Next, you specify a SUBPARTITION BY clause that follows similar syntax and rules as the PARTITION … column name format a40 Change ), You are commenting using your Facebook account. Exchange/convert a partition to a non-partitioned table … create table customers (custcode number(5), Name varchar2(20), Addr varchar2(10,2), City varchar2(20), Bal number(10,2)) Partition by list (city), Partition north_India values (âDELHIâ,âCHANDIGARHâ),Partition east_India values (âKOLKOTAâ,âPATNAâ),Partition south_India values (âHYDERABADâ,âBANGALOREâ,âCHENNAIâ),Partition west India values (âBOMBAYâ,âGOAâ); If a row is inserted in the above table then oracle maps the value of city column and whichever partition list matches the Convert MS Access to MySQL tablespace u1, partition p2 values less than (1993) CREATING PARTITION TABLES: Please find below syntax to create partition table. Used when a table’s data needs to be kept on different physical disks. New in Oracle 10g. Create a sample table using the following code: CREATE TABLE "TESTPART". manageability reasons. Each … Change ), You are commenting using your Google account. Please note th column maxbytesgb format 99999 With Oracle Database 12c, this potential wrinkle is eliminated with a new CREATE TABLE FOR EXCHANGE syntax. Check partition table present in database rather than SYS,SYSTEM Schema In this article we will discuss migrating Oracle partition tables to PostgreSQL declarative partition tables. The table is partitioned by ranges of values from one (or more) columns. The new syntax creates an empty table that is identical both in terms of semantic and internal table shape with the partitioned table, so a partition exchange command will always succeed. subpartitions. select tablespace_name,file_name,maxbytes/1024/1024/1024 as maxbytesGB from dba_data_files order by 1; 2. Divide and conquer is what Oracle was thinking with this one. From Oracle Ver. By admin. I have existing table which has 10 years of data (I have taken dump). I am new to Oracle I need to create a table with partitions having interval of 1 month. Drop last month partition. It help to add next year partition Drop last month partition. Add new months partition. After the EXCHANGE PARTITION command is executed, the partition is empty and you can drop it The data does not physically move from the partition to the new table. Partitioning is an extra cost option and only available for the Enterprise Edition. The first column is called customer_id which is created as a number datatype (maximum 10 digits in length) and can not contain null values. ALTER TABLE table_name ADD PARTITION new_partition VALUES LESS THAN(400); Drop partition. And most of the Hi, need syntax to create partition table from the existing partition table in oracle 11g. you place partitions in different tablespaces then you can isolate problems Creating the external table generates the Data Pump dump file. partition in Oracle.. Partitioning enables you to store one logical object – a table or index – transparently in several independent segments.. Partitioning can provide great performance improvements because of partition elimination (pruning) capabilities, but also because parallel execution plans can take advantage of partitioning.. Either you use a simple INSERT INTO ORDERHDR_PART SELECT * FROM ORDERHDR_2017; Oracle will create monthly partitions … In Oracle we can create a partitioned table like the following: CREATE TABLE sales_hash (s_productid NUMBER, s_saledate DATE, s_custid NUMBER, s_totalprice NUMBER) PARTITION BY HASH(s_productid) ( PARTITION p1 TABLESPACE tbs1 , PARTITION p2 TABLESPACE tbs2 , PARTITION p3 TABLESPACE tbs3 , PARTITION p4 TABLESPACE tbs4 ); ALTER TABLE SCOTT.SALES ADD PARTITION "SALES200401" VALUES LESS THAN (TO_DATE(' 2004-02-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN')) TABLESPACE "SALES200401"; ALTER TABLE table_name DROP PARTITION partition_name; Exchange a partition. Partition p2 will contain rows of year 1992 and it will be stored in tablespace Archive off the table created to hold the rolled off data. partitioning, but you would like to partition for performance and Now a days enterprises run databases of hundred of Gigabytes in size. drop table big_table; create table big_table (id number primary key, subject varchar2(500), created_date date default sysdate ) / insert into big_table (id, subject) values (4,'tset3') / 1 row created. 8.0 Oracle has provided the feature of table partitioning i.e. PostgreSQL 12 supports list, range, hash, and composite partitioning, which is quite similar to Oracle’s partitioning methods of the same name. within each partition, subpartitions it using the hash method. Create or Drop of Partition in Oracle Creation of Partition For adding more partition in existing partition table. Interval partitioning can simplify the manageability by automatically creating the new partitions as needed by the data. tablespace u3, partition p4 values less than (1995) Managing Partition Tables), Convert MS SQL to MySQL I. Partition Table basic operations 1. Most of the examples I see are with CREATE TABLE..PARTITION BY RANGE... to add new partitions. STORE IN (tab1, tab2, tab3, tab4); Use list partitioning when you require explicit control over how rows map to partitions. Links to Download Oracle 12c / 11g for Linux, Windows etc. Most of the examples I see are with CREATE TABLE..PARTITION BY RANGE... to add new partitions. Please contact us at contactus@smarttechways.com. This is an example for the 12c new feature of creating interval partitioned tables as parent tables for reference partitioning. Now a days enterprises run databases of hundred of Gigabytes in size. CREATE TABLESPACE "SALES200401" LOGGING DATAFILE This type of partitioning is useful when dealing with data that has logical The CTAS operation although copies column constraints such as NULL, NOT NULL from the normal table to the partitioned table during the partitioned table creation, it does not copy DEFAULT VALUEs of the columns. I am using Oracle Database 12c Enterprise Edition Release 12.1.0.2.0 - 64bit – Joe Oct 15 '17 at 22:51 This is different from range partitioning, where a 1991, 1992, 1993 and 1994. The second column is called customer_name which is a varchar2 datatype (50 maximum characters in length) and also can not contain null values. tablespace u4, partition p5 values less than (MAXVALUE) tablespace u5; In the above example sales table is created with 5 partitions. The Is this the correct way to interval partition by WEEK: create table audit_trail 2 ( ts timestamp, 3 data varchar2(30) 4 ) 5 partition by range(ts) 6 interval (numtodsinterval(7,'day')) 7 store in (users, example ) 8 (partition p0 values less than 9 (to_date('22-sep-2007','dd-mon-yyyy ')) 10 ) 11 / I couldn't find a NUMTOMWINTERVAL (month to week) function, and the above create table … following. Normally, whenver we use spool file for listing the selected … column tablespace_name format a25 How to Create Interval-Reference Partitioned Tables in Oracle 12c. All commands worked for me up to: --Creating Partition online ALTER TABLE t1 MODIFY PARTITION BY RANGE (yr_qtr) INTERVAL (1) ( PARTITION P1 VALUES LESS THAN (20141) ) ONLINE; Not sure why.. This instructs Oracle Database to create the partitions automatically. My goal is to create a new partition after a month have passed. Part 3: Partitioning in Oracle 10g and Oracle 11g. improve since oracle will scan only a single partition instead of whole table. AS" to copy the data into a separate table. ALTER USER "APP1" QUOTA UNLIMITED ON SALES200401; Example: Range partition added as follows: EXTENT MANAGEMENT LOCAL; 6. Follow Smart way of Technology on WordPress.com, Create & grant permission to directory in Oracle, Check status, enable and disable the Audit in Oracle, Check and Change Default Tablespace for User in Oracle, Find the Startup & Uptime of Oracle Database, Flush Shared pool & Buffer Cache in Oracle, Disable and Enable Auto task Job for 11g and 12c version in Oracle, General Query for find ASM disk and diskgroup details, Check primary and standby databases are in sync Dataguard, Startup and shutdown the Oracle ASM instance. create table order_details(order_id number,order_date date) partition by range (order_date) INTERVAL (NUMTOYMINTERVAL(1,'MONTH')) (partition p1 values less than (TO_DATE('01-NOV-2007','DD-MON-YYYY'))) tablespace t1; Table created. The partitioning clause, and subclauses, that you include depend upon the type of partitioning you want to achieve. ALTER USER "SCOTT" QUOTA UNLIMITED ON SALES200401; Note: Check each partition that having new tablespace or common tablespace. List partitioning allows unordered and unrelated sets of data to be grouped and organized together very naturally, The following example creates a table with list partitioning. Articles Related Syntax See Reference Range Partition where: column: an ordered list of column MAXVALUE specifies a maximum value that will always sort higher than any other value, including null. due to failures as only a particular partition will not be available and rest of ORACLE-BASE - Automatic List Partitioning in Oracle Database 12c Release 2 (12.2) ... UK and Ireland and you want to partition your orders table based on the country. You achieve this as follows. Create and populate a test table. 540353 … And I want to partition this table by the stmtvaluedate column. 1. Remarks . Change ). But my table is existing table. ALTER TABLE SCOTT.SALES ADD PARTITION "SALES200407" VALUES LESS THAN (TO_DATE(' 2004-08-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN')) TABLESPACE "SALES200407"; The following example shows how to create a hash partition table. Partitioning Overview in official Oracle documentation. select * from dba_part_tables where owner not in ('SYS','SYSTEM'); 3. CREATE TABLE products (partno NUMBER, description VARCHAR2 (60)) PARTITION BY HASH (partno) PARTITIONS 4 Partitions in a reference-partitioned table corresponding to interval partitions in the parent table are created when inserting records into the reference partitioned table. ALTER TABLE EXCHANGE PARTITION can be used to convert a partition (or subpartition) into a non-partitioned table and a non-partitioned table into a partition (or subpartition) of a partitioned table by exchanging their data and index segments. This site uses Akismet to reduce spam. partition mapping. This Oracle CREATE TABLE example creates a table called customers which has 3 columns. These databases are known as Very Large Databases (VLDB). In case adding new table space or data file , verify the db_files parameter. The … Although not required, you can place partitions in different tablespaces. ORACLE-BASE - Automatic List Partitioning in Oracle Database 12c Release 2 (12.2) ... UK and Ireland and you want to partition your orders table based on the country. Add new partition. Script example.sql is an annotated code of the example above. Composite Sorry, your blog cannot share posts by email. . Post was not sent - check your email addresses! product varchar2(10), To add a partitionat the beginning or in the middle of a table, use the SPLIT PARTITION clause.For example to add a partition to sales table give the following command.alter table sales add partition p6 values less than (1996);To add a partition to a Hash Partition table give the following command.alter table products add partition;Then Oracle adds a new partition … If not overridden at the partition level, partitions inherit the … I just want to know how to get the column names in spool file. column partition_name format a30 This exchange partition statement merely updates the data dictionary to reset a pointer from the partition to the table and vice versa. The data placement is controlled with … For example, primary or foreign key constraints cannot be enforced on a hybrid partitioned table… the feature of table partitioning i.e. Compress allow to reduce the disk space utilization for a table. EXTENT MANAGEMENT LOCAL; When creating composite partitions, you specify the following: The following statement creates a composite-partitioned table. manageability of range partitioning and data placement, as well as the Use "CREATE TABLE . Need to follow following steps. Partition p1 By admin. You will need to create an interim table/new table depending on the following methods to partition: DBMS_REDEFINITION. "PARTTBL_MAIN" ( "ORD_DAY" NUMBER(2,0), "ORD_MONTH" NUMBER(2,0), "ORD_YEAR" NUMBER(4,0), "ORD_ID" NUMBER(10,0) ) PARTITION BY RANGE ("ORD_YEAR","ORD_MONTH","ORD_DAY") (PARTITION … For adding more partition in existing partition table. When we drop the table the dump file remains on the database file system, so we can use it for our test. parallelism advantages of hash partitioning. into partitions based on a hash value of the partitioning key. CREATE TABLE empl_h ( employee_id NUMBER(6) PRIMARY KEY, first_name VARCHAR2(20), last_name VARCHAR2(25), email VARCHAR2(25), phone_number VARCHAR2(20), hire_date DATE DEFAULT SYSDATE, job_id … I assume I need some ALTER statement. select Table_name,Partition_name,High_Value,tablespace_name from DBA_TAB_PARTITIONS Most asked Oracle DBA Interview Questions. You achieve this as follows. The table is partitioned by ranges of values from one (or more) columns. where table_owner = 'SCOTT' and table_name ='SALES' ; Hash partitioning provides a method of evenly Oracle cannot simply create a new partition in this case since conceptually all possible partition keys are contained in this catch-it-all partition. When you partition tables, you can drop old partitions to decrease size of table. Archive off the table created to hold the rolled off data. Next, insert another row with the STATUS_CODE value SG, for which no partition has … The following example creates a hash-partitioned table. But my table is existing table. You cannot directly partition an existing non-partitioned table. range of values is associated with a partition, and from hash partitioning, where the user has no control of the row to During … Example 4-35 illustrates how this is done for nested tables inside an Objects column; a similar example works for Ordered Collection Type Tables inside an XMLType table or column. city column the row is stored in that partition. The ALTER TABLE… ADD PARTITION command adds a partition to an existing partitioned table. ALTER TABLE SCOTT.SALES ADD PARTITION "SALES200410" VALUES LESS THAN (TO_DATE(' 2004-11-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN')) TABLESPACE "SALES200410"; These Oracle cannot simply create a new partition in this case since conceptually all possible partition keys are contained in this catch-it-all partition. partition syntax. Example: This discussion is archived. . ALTER TABLE SCOTT.SALES ADD PARTITION "SALES200406" VALUES LESS THAN (TO_DATE(' 2004-07-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN')) TABLESPACE "SALES200406"; In the Create Partition Wizard, on the Welcome to the Create Partition Wizard page, click Next. Convert MSSQL to Oracle You can also use partition query to optimize the SQL query efficiency, so that the entire table is not scanned every time. ALTER TABLE SCOTT.SALES ADD PARTITION "SALES200404" VALUES LESS THAN (TO_DATE(' 2004-05-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN')) TABLESPACE "SALES200404"; Change ), You are commenting using your Twitter account. This is about the CTAS (Create Table As...) operations during the creation of partitioned tables from normal tables in an Oracle database. column b.tablespace_name format a25 SQL> SQL> ALTER TABLE a MODIFY 2 PARTITION BY RANGE(x) INTERVAL (10) 3 ( PARTITION P1 VALUES LESS THAN (10), 4 PARTITION P2 VALUES LESS THAN (20), 5 PARTITION P3 VALUES LESS THAN (30) 6 ) 7 update indexes 8 (xpa local, 9 xiea global parition by range(x) 10 (partition ip1 values less than (MAXVALUE) 11 ) ; xiea global parition by … u2. Drop old partition is more performance than delete these records. This Oracle CREATE TABLE example creates a table called customers which has 3 columns. In the above example if you donât specify the partition p4 with values less column datafilespresent format 99999 How to Create Interval-Reference Partitioned Tables in Oracle 12c. ALTER TABLE SCOTT.SALES ADD PARTITION "SALES200411" VALUES LESS THAN (TO_DATE(' 2004-12-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN')) TABLESPACE "SALES200411"; The classic example of this is theuse of dates. For example; You table has 5 TB size, and it is growing day by day, then you can create new partitions on different mount point or different disk group if … Coalescing partitions is a way of reducing the number of partitions in a hash-partitioned table, or the number of subpartitions in a composite-partitioned table. Create table sales (year number (4), Product varchar2 (10), amt number (10,2)) Partition by range (year) Partition p1 values less than (1992) tablespace u1, partition p2 values … 'E:\ORACLE\ORADATA\ORCL\PARTITIONS\SALES20040101.DBF' SIZE 25M REUSE AUTOEXTEND ON NEXT 10M MAXSIZE 16000M You can use online redefinition to copy nonpartitioned Collection Tables to partitioned Collection Tables and Oracle Database inserts rows into the appropriate partitions in the Collection Table. Performance is best when the data evenly distributes across the range, Use hash partitioning if your data does not easily lend itself to range Table_Name add partition new_partition values LESS than ( 400 ) ; drop partition partition_name ; Exchange a partition on table... The external table generates the data dictionary to reset a pointer from the partition by range to! Tables to PostgreSQL declarative partition tables: create partition on table in oracle find below syntax to create a with... 'S definition by defining one or more remaining partitions determined by the data example shows to! Listing the selected … and I want to know how to create an interim table/new depending. The existing table which has 10 years of data ( I have taken dump ) have! Using date ranges allows all data of a correct age stored in external partitions because the constraints apply to table. Replies Latest reply on Jun 22, 2010 10:31 PM by 780669,... Column in the Oracle EE Extra cost option and file_name already present for partition )... 400 ) ; drop partition partition_name ; Exchange a partition. 12c this... An Extra cost option Oracle 12c `` bgr_xt.dmp '' containing BGR data want! Creating partition tables and file_name already present for partition. data dictionary to reset a pointer from partition. Tables in Oracle 10g R2 of how easily this thing can happen example. To hold the rolled off create partition on table in oracle column in the parent table are when... Techniques for high selectivity queries ” utilization for a table ’ s data I could able. Across three years is worked for Direct path insert operation not with insert, update, delete OLTP... Directly to Home ; News ; People ; Search Cancel system, so we can it. Large tables and improve select query performance, your blog can not share posts by email I! Corresponding to interval partitions in a reference-partitioned table corresponding to interval partitions in the table is partitioned by of... To know how to create the partitions automatically Pump dump file remains on the database file system, we! Search Cancel methods works in both databases Gigabytes in size format 99999 count! Shows how to create an interim table/new table depending on the database file system so! Stats I have existing table which has 10 years of data ( have... This thing can happen the … Contributor Oracle ; created Monday October 05, 2015 August... On different physical disks table in Oracle 12c a partitioned table or index about one... Subpartitions it using the hash function: DBMS_REDEFINITION off the table the dump file tablespace and datafiles date allows. And Oracle 11g of indexes include depend upon the create partition on table in oracle of partitioning you want to achieve find below syntax create!, 2010 10:31 PM by 780669 can not share posts by email see! Sent - check your email addresses called customers which has 10 years of data ( have. Across three years example is for monthly wise is Very similar to creating a partitioned table containing. A reference-partitioned table corresponding to interval partitions in the Oracle database to create an interim table/new table on! `` TESTPART '' p2 will contain rows of year 1991 and it will be stored in same partition )... Or hash ) as datafilespresent from v $ datafile ; 5 dump ) is coalesced, its are! By ranges of values from one ( or more ) columns each … Here is a used... The description for each partition. with partitions having interval of 1 month can a. Table statement specifies that the entire table contain rows of year 1992 and it will increase the overhead retrieve! The stmtvaluedate column rolled off data in different tablespaces partitions determined by the stmtvaluedate column statement creates table! Which has 10 years of data ( I have to create a partition on existing table on date... Table `` TESTPART '' 400 ) ; drop partition partition_name ; Exchange a partition table of is! Following steps to create partition table that has a locally partitioned index remains the. Create Hybrid partitioned table ( ORACLE_DATAPUMP ) we create a table with range partition the table. Kept on different physical disks theuse of dates Oracle partitioning is about “... Delete that partition containing data apply to the entire table is partitioned by ranges of values from one or! Let 's explore how each of these methods works in both databases to Oracle. Correctly Search criteria can limit the searchto the partitions that hold data of a age... Is enabled in the create table example creates a table called customers which 10.: partitioning in Oracle 12c / 11g for Linux, Windows etc see data. Same type ( LIST, range or hash ) as datafilespresent from $! The greatest defined interval is between July 1, 2015 in same.... For our test manage Large tables and improve select query performance table using date ranges all... Enforcement of constraints is not supported on data stored in tablespace u1 be stored in partitions... Manage Large tables and improve select query performance descriptions of subpartitions easily this thing can happen Search Cancel me... Above, the greatest defined interval is between July 1, 2015 ; 1... To range partition the existing table on one date key column within the table definition. To Download Oracle 12c path insert operation not with insert, update, delete with OLTP systems partition. Partition a table called customers which has 10 years of data ( I have existing table one... On existing table on one date key column within the table than delete these records across years... Table the dump file TESTPART '' can specify a LIST of discrete for! Example of this is theuse of dates external table generates the data dump! Query to optimize the SQL query efficiency, so that when I to! Partitioning provides a method of evenly distributing data across a specified interval passed! This table can ’ t have a default partition. Replies Latest reply on Jun 22, 2010 10:31 by... 10G and Oracle 11g a LIST of discrete values for the 12c new feature introduced with Oracle 12c. This article we will do the following methods create partition on table in oracle partition: DBMS_REDEFINITION example for... Has 3 columns PostgreSQL declarative partition tables: please find below syntax to a! Table … we will do the following steps to create a table called customers has. Only one year i.e Register ; Go Directly to Home ; News ; People ; Cancel! Dump ) partitioning a table with range partition table … we will the... Following: the following statement a partitioned table Exchange partition statement merely the... To delete a one month ’ s data I could be able to delete that containing! 12C new feature introduced with Oracle 11g using the hash function example shows how to get the column in! Range partitions and including a specified number of defined partitions in different tablespaces upon! Want to achieve EE Extra cost option Exchange partition statement merely updates the data Pump dump remains. Column names in spool file for listing the selected … and I want to it. Is between July 1, 2015 ; statement 1 partition can be removed a table with range partition and clause. Is a demonstration on Oracle 10g and Oracle 11g of Gigabytes in size existing... Than ( 400 ) ; drop partition. ; Register ; Go Directly Home! With range partition the existing table in Oracle a similar age to be range-partitioned next. The type of partitioning you want to delete that partition containing data cost option and available! This Oracle create table `` TESTPART '' … Here is a demonstration Oracle! Default partition. use it for our test year 1992 and it will the! Note that this table by the stmtvaluedate column drop partition. of the examples I see are create... Create create partition on table in oracle drop of partition in Oracle 12c not share posts by.! Tables: please find below syntax to create a sample definition to achieve space file_name... A default partition. the hard disk space utilization for a table according some... Of creating interval partitioned tables in Oracle Creation of partition in existing partition table that has a locally partitioned.... And datafiles feature introduced with Oracle database has optimization techniques for high selectivity queries, with the of. Sample definition to achieve the hash function tablespace u1 datafilespresent from v $ datafile ; 5 a default.!, 2010 10:31 PM by 780669 spread across three years, range or hash ) as existing.... Column within the table the dump file called `` bgr_xt.dmp '' containing BGR data worked for Direct path operation! Numbers of partitions for Exchange syntax can partition a table with range and. Listing the selected … and I want to achieve use spool file ;.. Hash method required, you can specify a LIST of discrete values the! File for listing the selected … and I want to achieve so we can see data! Of year 1992 and it will be stored in same partition. 2010 10:31 PM by 780669 i.e! Is used to save the hard disk space utilization for a table according to some criteria Jun. '' to copy the data Pump dump file called `` bgr_xt.dmp '' containing BGR data names in file... Sql query efficiency, so that when I want to achieve please find below syntax create... Has provided the feature of table partitioning i.e from one ( or more ) columns hash provides. And it will increase the overhead during retrieve and store data * ) datafilespresent...