Add partition to existing table in oracle 11g

actually this table is in paradox database. These can be used with partitioned tables for repartitioning,  You can change a nonpartitioned table into a partitioned table. Try it Now Free ADD PARTITION command to add a partition to an existing partitioned table. Contents . 2 Oracle 12c Oracle 18c Oracle Enterprise Manager  9 Feb 2017 There are many new extensions for Partitioning in Oracle 12c ORA-14097: column type or size mismatch in ALTER TABLE EXCHANGE PARTITION virtual columns (invisible columns were not yet available in Oracle 11g). Here we are going to explore few of them related to datapump which was extended and enhanced EXP/IMP which first time was introduced on Oracle 10g. To add a partition . fast=true for adding columns in 11G Before 11G adding new columns with default values to tables with millions of rows was a very time consuming and annoying task. Since your current table does not have any sub-partitions, I don't think there is a way to add sub-partitions dynamically. Create a new table with partitions. • Better - new functionality of Oracle Database 11g SQL> alter table t add partition values less than(20); * ERROR at line 1: ORA-14760: ADD PARTITION is not Interval Partitioning in 11g is a extension of range partitioning. It is not possible to add a partition to a non-partitioned table. // Ensure all oracle ASM disk after scanning as follow: [root@database1 ~]# /usr/sbin/oracleasm listdisks ARCHIVE DATA OCR RMAN. Divide and conquer is what Oracle was thinking with this one. The real Oracle Partitioning was first introduced in Oracle 8 in 1997. We plan to take advantage of the interval partition feature in Oracle 11g, in which Oracle automatically creates an interval partition as data for that partition is inserted. The current version of Oracle 9i Release 2 continues this tradition by adding new functionality for list partitioning and the new range-list partitioning method. I have 11g database. populate the new table 3. 1) Export your table: exp usr/pswd tables=numbers file=exp. But here's a little problem: the table sales5 no longer exists and you had initially exported only one partition (ct), not the entire table. TABLEA_PAR enable validate constraint TMP$$_IDX_PK; alter table TEST. Oracle 10g R2 allowed more than 1 million partitions per table. Primary key is a type of constraint used in Oracle tables. Firstly, there's the new reference (ref) partitioning where you can partition one table based on a key value in another, so that for How to Unlock the Locked Table in ORACLE; ORACLE FLASHBACK TECHNOLOGY- USAGE & FEATURES; JOINS IN ORACLE-different joins in oracle with examples; What is a PARTITION in Oracle?Why to use Partition And Types of Partitions; SCD Type 1, SCD Type 2, SCD Type 3,Slowly Changing Dimension Types,Advantages & Disadvantages Partitioning existing table in oracle with exchange and split ALTER TABLE SVADAPALLI. how to create tablespace for this table. g. The contents of the article should not be used as an indication of when and how to partition objects, it simply shows the method of getting from A to B Can I partition an already existing table in oracle? You cannot directly partition an existing non-partitioned table. The RazorSQL alter table tool includes an Add Column option for adding columns to Oracle database tables. e. and how to implement it to an existing tables. Syntax: Add a column to a table ALTER TABLE STAFF_OPTIONS ADD SO_INSURANCE_PROVIDER Varchar2(35); Add a default value to a column ALTER TABLE STAFF_OPTIONS MODIFY SO_INSURANCE_PROVIDER Varchar2(35) DEFAULT 'ABC Ins'; Add two columns to a table and remove a constraint ALTER TABLE STAFF_OPTIONS ADD (SO_STAFF_ID INT, SO_PENSION_ID INT) STORAGE INITIAL 10 It looks to me like your current table has partitions (one level) but not sub-partitions (multi-level, where each partition is sub-partitioned based on a different key than the partition key). rename new table/indexes 6. The contents of the article should not be used as an indication of when and how to partition objects, it simply shows the method of getting from A to B. These can be used with partitioned tables for repartitioning, for adding, dropping, merging, and splitting partitions, and for performing partitioning maintenance. you can partition a table according to some criteria . This article is written in oracle10g R2. For example you have a SALES table with the following structure 11g Interval Partitioning. If we add data beyond the range of the existing partition, a Unique local indexes are useful for OLTP environments. 2. Now we planed to add disk to ASM diskgroup DATAGROUP. From Oracle Ver. Tool to Add Range Partitions Automatically to a Table the boundary of the partition to add from the existing partitions. They automate creation of equi-sized partitions. All that is required is to define the interval criteria and create the first partition. Remember, in many cases The ALTER TABLE… ADD SUBPARTITION command adds a subpartition to an existing partition; the partition must already be subpartitioned. Partitioning an Existing Table using DBMS_REDEFINITION. The Oracle database has optimization techniques for high selectivity queries, with the use of indexes. but the partitioned table has more than one partition. Oracle will utilize partition pruning in conjunction with any indexing technique, join technique, or parallel access method. VLDB and Partitioning Guide GRANT EXECUTE ON DBMS_REDEFINITION TO eqnt; GRANT ALTER ANY TABLE TO eqnt; GRANT DROP ANY TABLE TO eqnt; GRANT  Database VLDB and Partitioning Guide. Can any one please let me know the new feature of 11g interval range partitioning. Thanks Third, add table constraints if applicable e. Add operations automatically cascade to all references to the partition table. Partition pruning works with all of Oracle's other performance features. For example to add a partition to sales table give the following command. The database converts existing interval partitions to range partitions, using the higher boundaries of created interval partitions as upper boundaries for the range partitions to be created. 5. Partitioned tables continue to be used in many systems as performance enhancing options on large tables, and with the new features that have been added, Oracle Database 12c has taken some interesting steps to make managing them more effective and efficient. juin Using Oracle’s Partition Exchange Load for Very Large Target Tables into a large Oracle table hosted in an Oracle 11g environment. COMMANDS which Oracle supports! Oracle 11g also provides Partition Advisor, that supports generating partitioning recommendations similar to what was provided in 10G for materialized views, materialized view logs and indexes. Adding multiple partitions; Truncating multiple partitions; Merging multiple partitions ALTER TABLE prod_list MERGE SUBPARTITIONS prod_1,prod_2, prod_3  6 Jan 2017 Oracle 12cR2 : Partitioning improvements – online conversion of a non- partitioned CAN_REDEF_TABLE; Create an interim partitioned table; Start the redefinition : SQL> ALTER TABLE sales_non_part MODIFY PARTITION BY LIST 11g Oracle 12. How to add disk to ASM (DATABASE) runing in production server We have database running on ASM, after two years we faced the problem of space deficiency. For example, the following command would create the subpartitions usa, asia, europe, africa, and a default partition named other: – Allows to partition a table by leveraging an existing parent-child relationship – The partitioning strategy of the parent table is inherited to its child table without the necessity to store the parent’s partitioning key column in the child table – Transparently inherits all partition maintenance operations that For example to add a partition to sales table give the following command. Example of partitioning existing table using DBMS_REDEFINITION package. i have migrated that table using ms access in oracle. Range Partitioning: Maps data to partitions based on ranges of partition key values that you establish for each partition. Partitions are created as metadata and only the initial partition is made persistent. I have one column named DOJ and that should be partitioned in monthly basis. To add a partition. This article uses simple examples to describe the partitioning enhancements in Oracle 11g Release 1. What type of partition we need to use. If we need to process all data in a big table, we have to live PARTITION: Decompose a table or index into smaller, more manageable pieces, called partitions. To exchange a table partition or subpartition with a table, use the ALTER TABLE EXCHANGE PARTITION statement—that is, to move any existing rows in the partition or subpartition to the nonpartitioned table, and any existing rows in the nonpartitioned table to the table partition or subpartition. Kind-of like a blend between a partition exchange and a partition add. I decided to do some small testing for myself to illustrate some of what is (and isn't possible). If the first element of the partition bound of the high partition is MAXVALUE, you cannot add a partition to the table. If so, pls let me know the command for this. Export/import method-----1) Export your table: I tried the redef as well, but failed always. Oracle 11g, with the addition of virtual columns, now allows a partition key based on an expression, using one or more existing columns of the table. If you specify the I have few question about the exchange example, i have a non-partitioned table with 2GB data inside it and want to exchange with a partitioned table (same column with base table). A virtual column can now be used as a partitioning key. Previously, If we are loading data to an existing partitioned first you cannot do ADD PARTITION to a non partitioned table (syntax ADD PARTITION BY LIST is wrong). It also introduced multidimensional pruning and fast table drops. 04. mm. The ‘Alter Table Modify’ clause is used to add the partition to the existing non partitioned table. - Use the ALTER TABLE statement to alter the definition of a nonpartitioned table, a partitioned table, a table partition, or a table subpartition. This is accomplished using the command ALTER TABLE abc DROP PARTITION xyz and . But after sometime/years we realize that the partition scheme is becoming a problem and there are certain partitions with more data and this can create performance problems. Try this: create table quote_header_test partition by range  27 Jun 2018 Starting with Oracle® 10g, you can partition tables online without Run the following code to create a full export backup of the table, TABLEA. This article presents a simple method for partitioning an existing table using the EXCHANGE PARTITION syntax. The syntax is: ALTER   This article presents a simple method for partitioning an existing table using the DBMS_REDEFINITION package, introduced in Oracle 9i. This article presents a simple method for partitioning an existing table using the DBMS_REDEFINITION package, introduced in Oracle 9i. Oracle / PLSQL: ALTER TABLE Statement This Oracle tutorial explains how to use the Oracle ALTER TABLE statement to add a column, modify a column, drop a column, rename a column or rename a table (with syntax, examples and practice exercises). To add a  Le partitionnement de la base de données Oracle est un module de division des données d'Oracle, payant et fréquemment utilisé sur des tables LIST / RANGE ( 11g) locally partitioned index : pour chaque partition de table créée, il y a une ( et une seule) partition d'index. i have got answer for how to do range partitioning. i want to know hash partitioning for this table. Partition-wise Joins: Partitioning can also improve the performance of multi-table joins, by using a technique known as partition-wise joins. Now a days enterprises run databases of hundred of Gigabytes in size. 5 Datapump and partitions - some examples A commonly asked question i see is around the use of dataump for moving partitions around and what is and isn't possible. If you drop the parent partition, Oracle knows it must drop the child partition too, and it does just that: SQL11G> alter table bills drop partition P201101; table BILLS altered. A number of partitioning-related extensions to ALTER TABLE were added in MySQL 5. Any possibility through ALTER TABLE TABLENAME PARTITION PARTITION NAME TABLESPACE. Interval partitioning is a partitioning method introduced in Oracle 11g. we have created index1 on column1 of a table in sql. 1. create new table, partitioned 2. Partition key 2. i have searched a lot but i have found nothing about how to add a range partition to an existing table. It help to add next year partition Example is for monthly wise. Use ALTER TABLE ADD PARTITION to add a partition to the high end of the table (after the last existing partition). Oracle Alter Table Add Column. 0 Oracle has provided the feature of table partitioning i. , primary key, foreign key, check. In Oracle 8i and 9i, Oracle has continued to add both functionality and new partitioning methods. If you already have a table you can alter the table to make use of partitioning by: ALTER TABLE t_test PARTITION BY LIST(marca_id) (PARTITION m001 VALUES IN (1,2,3), PARTITION m002 VALUES IN (4), PARTITION m003 VALUES IN (5,6), Partition pruning works with all of Oracle's other performance features. The contents of the  10 Nov 2017 Oracle 12. DBMS_REDEFINITION package was introduced in Oracle 9i. So, something else I learned recentlyit is about Interval Partitioning in 11g. Oracle won't 'automagically' move the data around. Hi, Can any one please give suggestion how to create partition in an existing table. but i am not getting the hash partitioning using ID. The need and use of exchange partitions: I have used exchange partition to archive old data from an existing partition table. ZZT_TEST ADD ( CONSTRAINT ZIP_SERVICELOG1 ( splitting from max partition create table tbl_system (id number) partition by system ( partition p1, partition p2, partition p_last ); alter table tbl_system add partition p4, partition p5, partition p6 before partition p_last; Example RANGE-RANGE The research presented focuses on partitioning strategy options for each currently available Oracle version, in particular Oracle11g. In Oracle, you can use the ALTER TABLE command to add columns to a table after it's created. dmp ignore=y The ignore=y causes the Objective: Below steps will explain how to manually add a shared disk, create and mount a DISKGROUP in ASM using the newly created shared disk. A primary key is used to uniquely identify each row in a table. Starting with Oracle 11g, Oracle provides a partition advisor to assist customers to choose the best partitioning method for their data. Posted by Richard Foote in 12c, Modify Primary Key Using Index, Oracle Indexes, Primary Key, Richard's Musings. The study guideline is on implementing the new partitioning options available in 11g, while enhancing performance tuning for the physical model and applications involved. The answer to the SR I opened has been: "it seems to be an UNKNOWN bug" The only procedure I was able to complete: 1. We do not just add space to tablespaces, create more tablespaces or resize datafiles to increase storage without checking if there is space to our ASM diskgroup. yyyy')), partition q2 values This Oracle tutorial explains how to use Foreign Keys in Oracle with syntax and examples. Partitioning a table online with DBMS_REDEFINITION If there is a requirement to change the structure of a table that is already in use productively, it may be impossible to get a maintenance downtime for that table, because it is constantly in use. mytable add PARTITION BY RANGE (mynumber) INTERVAL (1) ( PARTITION p1 VALUES LESS THAN (108)) that gives me ORA:14150 error, SUBPARTITON keyword is missing, but i dont want to give subpartition ALTERING PARTITION TABLES. Hi Again, Another important task that a DBA should do is to monitor the ASM diskgroup usage. . To change an interval-partitioned table back to a range-partitioned table. Need to follow following steps. A. Learn about how and why to use data partitioning in Oracle 12c. When more than one fields are used as a primary key, the key is called a composite key. sql and execute) Oracle / PLSQL: ALTER TABLE Statement This Oracle tutorial explains how to use the Oracle ALTER TABLE statement to add a column, modify a column, drop a column, rename a column or rename a table (with syntax, examples and practice exercises). Do as Taral suggested. 2016','dd. How can partition a non-partitioned table in oracle 10g ===== You can partition a non-partitioned table in one of four ways: A) Export/import method B) Insert with a subquery method C) Partition exchange method D) DBMS_REDEFINITION Either of these four methods will create a partitioned table from an existing non-partitioned table. With solutions for Toad for Oracle, Toad for MySQL, Toad for SQL Server, DB2, SAP and more. As we have a lot of very large partition tables which store data for past years, we exchange older partitions which don't need to be part of the existing table to a new table and then export it and save it on to a tape device as archive data. Table partitioning is about optimizing “medium selectivity queries”. 6 Sep 2016 Their database was 11g, but I thought it would worth showing off some 12c First we'll create our table, with a standard primary key index. There is no upper limit to the number of defined subpartitions. 3, VMware Hypervisor ESXi 5. ALTER TABLE sales ADD PARTITION sales_q1_2007 VALUES LESS THAN (TO_DATE('01-APR-2007'  Question: I want to add a partition to an existing table, but I don't understand how This book includes scripts and tools to hypercharge Oracle 11g performance  You cannot directly partition an existing non-partitioned table. If you have Employee table which is not partitioned and you need to add the partition to the Employee table. Note that you must have the CREATE TABLE system privilege to create a new table in your schema and CREATE ANY TABLE system privilege to create a new table in another user’s schema. This is a helpful addition to range partitioning where Oracle automatically creates a partition when the inserted value exceeds all other partition ranges. The command also allows you to add multiple columns in the one statement. Use SET INTERVAL () to disable interval partitioning. Can we modify existing index to accomplish this. and how A number of partitioning-related extensions to ALTER TABLE were added in MySQL 5. The add column function has options for the new column name, the new column data type, the size and scale of the new type, whether or not the new column should allow null values, and whether or not the new column has a default value associated with it. Oracle Database provides many types of partitioning options, including range, list, hash, range/list, and range/hash. Now we want to add column2 of same table to that index. You can add multiple range partitions that are listed in ascending order of their upper bound values to the high end (after the last existing partition) of a range-partitioned or composite range-partitioned table, provided the MAXVALUE partition is not defined. 8. These databases are known as Very Large Databases (VLDB). add partition to a table Hi! Working on Oracle v8i with OS as Win2000/NT! Is it possible for the existing Table with datas loaded to get converted into Oracle partition. 2 running on OUL 5 Step 1 - Create the new disk on your NAS and present this to the node. To add a partition at the beginning or in the middle of a table, use the SPLIT PARTITION clause. Export Partitioning an Existing Table using EXCHANGE PARTITION This article presents a simple method for partitioning an existing table using the EXCHANGE PARTITION syntax. Add Partition. exchange Partition , Move partition in oracle Possible operations with partitions SQL Tutorial SQL Tutorial for beginners PLSQL Tutorial PLSQL Tutorial for beginners PL/SQL Tutorial PL SQL Explain how to add a new column to an existing Table in Oracle. Learning About Exchange Partition Mechanism – Oracle View Larger Image If you have been involved in creating and managing ETL (Extract, Transformation and Load) processes for datawarehousing environments, you know how time consuming it can be especially when data volume is high. 1. Additional partitions and local indexes are created automatically when the data is inserted. Table Partitioning . This table would be dropped at the end of the process. So how can you import just one partition of a non-existent table? In Oracle Database 11g, a new command line option in Data Pump Import called partition_options makes that possible. The supported technique for conversion from non-partitioned to partitioned is to create a new partitioned table and use dbms_redefinition to transfer the data into it. We have a a non-partitioned table BIG_TABLE and we will be converting it into Range Partitioned table BIG_TABLE2. Environment: Oracle 11g Grid Infrastructure, ASM, Oracle 11g RAC Database, 64 bit Oracle Linux Server 6. You will need to create an interim table/new hi tom, i am doing partitioning for existing table. You will need to create an interim table/new table depending on the following  Enterprise-ready and Oracle compatible. 0. Like and child partitions can be added to the range partitioned table, hash-partitioned table, partition table or list in line with the partition table, we can add a partition or sub-partition table in the definition of a reference to the parent partition. The way to do this is to enclose all of the columns in brackets and separate the columns by a comma. In fact, partition advisor is a part of the SQL Access Advisor in oracle 11g. drop original table 5. re-create FK In Oracle 11g, is there a way to introduce subpartitions into an existing partitioned table? I cannot seem to find a combination of EXCHANGE and SPLIT partition that does the right thing. Oracle ADD PARTITION Tips Oracle Database Tips by Donald BurlesonJanuary 12, 2015 Question: I want to add a partition to an existing table, but I don't understand how the syntax for ADD PARTITION works. However, how can i exchange my tables together? What is the correct command and what comes up with the data? PARTITIONING AN EXISTING TABLE USING DATAPUMP-----1. (en) « Partitioning Concepts » [archive]  In Oracle 11g, you can merge the content of two partitions only in single DDL. My table has been created initially like this: SQL> create table sales_range (id number, name varchar2(20), amount_sold number, shop varchar2(20), time_id date) partition by range (time_id) ( partition q1 values less than (to_date('01. The partitioning feature of Oracle Database enables you to partition stored data segments such as tables and indexes for easier management and improved performance. You must split the high partition. CREATE A SAMPLE SCHEMA (Copy the below threads to sample. A foreign key is a way to enforce referential integrity within your Oracle database. drop all FK from other table to original table (make them disable it's unuseful) 4. In any database environment, if we need to covert any huge table to partition table, then first we need to think about two factor. Sort of like Alter table my_table Partitioning an Existing Table using EXCHANGE PARTITION. You can add add a new partition to the "high" end (the point after the last existing partition). Advantages If you've kept abreast of what's new in the latest release of the database, you will probably be aware of three major enhancements to partitioning in Oracle 11g. Lets partition our table based on the virtual column “total_sal”: Add a table partition to an existing table Modify a partition - change the physical attributes of a partition Move a table partition - move it to another tablespace, or recluster it, or change any of its parameters (including any of its create-time parameters) Rename a partition Drop a partition Oracle Partitioning - Split Partition At times when we initially create partitions we make them with a certain data load in mind. dmp 2) Drop the table: drop table numbers; 3) Recreate the table with partitions: create table numbers (qty number(3), name varchar2(15)) partition by range (qty) (partition p1 values less than (501), partition p2 values less than (maxvalue)); 4) Import the table with ignore=y: imp usr/pswd file=exp. Convert non-partition table to partition table in Oracle 11g R2 Check the existing table by generate the script: Add New Cluster Node on Oracle RAC 12. alter table sales add partition p6 values less than (1996); To add a partition to a Hash Partition table give the following command. – When you drop or add a hash partition, it is recommended that you try to end up with a number of hash partitions that is a power of two, for optimal data spread across partitions. Create a Sample Schema Can Oracle GoldenGate DDL replication support interval partition? We have a fast-growing table that requires keeping only two months' worth of data. Oracle | Toad expert blog for developers, admins and data analysts. >> Partition-wise Joins-- Partitioning can also improve the performance of multi-table joins, by using a technique known as partition-wise joins Create or Drop of Partition in Oracle Creation of Partition For adding more partition in existing partition table. Each partition of a table or index must have the same logical attributes, such as column names, datatypes, and constraints, but each partition can have separate physical attributes such as PCTFREE, PCTUSED, and Tablespaces. To demonstrate this new feature, I have created the following table on an Oracle 11g and an Oracle 12c database. Back to the original partition topic, sort-of it occured to me a while ago that a functionality that is logically missing from Oracle is the ability to add a new partition to a table where the partition is already populated. - For object tables or relational tables with object columns, use ALTER TABLE to convert the table to the latest definition of its One of the great features about partitioning, and most specifically range-based partitioning, is the ability to load data quickly and easily with minimal impact on the current users using: alter table call exchange partition data_2007 with table call_temp; An existing RANGE partitioned table can easily be changed to be INTERVAL partitioned with the SET INTERVAL command. The inetrim table is manually created. Oracle Partition Maintenance Compressing your Indexes: Advanced Index Compression (PART 2) Guest Author As we discussed in the Part 1 of this blog series, index entries with many duplicate keys (or duplicate prefix columns in the index keys) can be compressed making it possible to reduce both the storage overhead and the access overhead for large index range scans or fast With this example template, when you next add a date-range partition of the table sales, it will include the new regional list subpartition for Africa. 25 Aug 2011 If you want both the tables partitioned on bill date, then until 11g, there was no SQL11G> alter table bill_details drop partition P201101; table  Hello: The 'AS SELECT…' clause should be the last part of the CREATE TABLE … PARTITION. There is direct way to add the partition to the table. TRUST_EXISTING_TABLE_PARTITIONS is a new option for the parameter data_option in the impdp utility of Oracle 12. Oracle 12c allows to manage multiple partitions at the same time. A foreign key means that values in one table must also appear in another table. You cannot explicitly add a partition to a local index. Instead, new partitions are added to local indexes only when you add a partition to the underlying table. In Oracle 11g, the creation of partitions (for range) is automated and partitions are created as and when needed and takes the task of managing the creation of new partitions from the DBA. add a comment. The other nice thing about reference partitioning is that you no longer have any problems with data purging. The implementation is using Materialized Views and MV Log tables. OR [oracle@database1 ~]$ cd /dev/oracleasm/disks/ [oracle@database1 disks]$ ls ARCHIVE DATA OCR RMAN // Now Add the newly created oracle ASM disk to existing ASM diskgroup with the help of following query: Subject: RE:[data-admin-l] How to partition existing table ITtoolbox data-admin-l You are an Oracle consultant and you're asking this question??? No, you can't (should not) add partitions to a non-partitioned table. This is not the case with Oracle 11g, where partitions must be added, deleted or truncated one by one. In Addition we need to use the keyword named ‘Online’. Alter table products add partition; Then Oracle adds a new partition whose name is system generated and it is created in the default Oracle partition table export and import using datapump Oracle 11g has several new features. A primary key can consist of one or more fields on a table. alter table myuser. Oracle had to update all the rows with the default value when adding the column. If you are adding a partition between existing partitions, you have to use the SPLIT PARTITION clause. 2 has introduced a number of new features that ease partitioning, the most-awaited perhaps is the ALTER TABLE MODIFY syntax to  ALTERING PARTITION TABLES. I know we have partitions on our databasebut when we wanted to add more partitions to the tablewe found out the best and easiest way to do this is to export the data, recreate the table with more partitions and then import the data. One of the things I love about working with Oracle Database technologies is that there’s just so much one can learn. – For a list-partitioned table, you can drop a partition when some partition key values are of no further use. Interval partitioning is an extension of range partitioning which instructs the database to automatically create partitions of a specified interval when data inserted into the table exceeds all of the existing range partitions Create and Configure Shared Disk for Oracle 11g Grid Infrastructure I will be covering 2 sections (topics) in my below document:- Section 1 : Copy 11g Grid Infrastructure zip file to node1, unzip and install the cvuqdisk package in both nodes. Once we decided the above key factor, then there are couple of ways, we can convert the table to partition table. This would be the easiest was to partition an existing table. Many Thanks, Nabin You can partition a non-partitioned table in one of four ways: A) Export/import method B) Insert with a subquery method C) Partition exchange method D) DBMS_REDEFINITION Either of these four methods will create a partitioned table from an existing non-partitioned table. Create/Add an Oracle ASM disk to an existing diskgroup The latter has been performed on Oracle 11. Purpose: Partitioning and subpartitioning of tables and indexes is a technique for creating a single logical entity, a table or index, mapping multiple separate segments allowing the optimizer to access a smaller number of blocks to respond to a SQL statement. add partition to existing table in oracle 11g

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