Partitioning Option: Oracle introduced partitioning as an option with Oracle8 to provide a higher degree of manageability and availability. You can take individual partitions offline for maintenance while other partitions remain available for user access. In data warehousing implementations, partitioning is ...
Oracle Partition - Range Interval Partitioning Oracle Partition - Drop a partition (instead of records) Oracle Partition - Tablespace (Table Move|Index Rebuild) Oracle Partition - Data Load Metadata Usable: select * from dba_ind_partitions where status <> 'USABLE'; select * from dba_ind_subpar...
(1)、Whether the database will use an index for large range scans; (2)、The degree of table organization in relation to the index key; (3)、Whether you should consider using an index-organized table,partitioning,or table cluster if rows must be ordered by the index key. 三、Index Cluste...
it is about data partitioning. When you have partitioned table you may build local or global index on it. Local index is partitioned in such a way that have the same quantity of partitions (1:1) and indexes for rows of one table partition stored in one and only one index partition. ...
If indexes on the same set of columns do not differ in type or partitioning scheme, then these indexes must use different column permutations. For example, the following SQL statements specify valid column permutations: CREATE INDEX employee_idx1 ON employees (last_name, job_id); CREATE INDEX ...
For a function-based globally partitioned index, thecolumn_expressioncannot be the partitioning key. Thecolumn_expressioncan be any form of expression except a scalar subquery expression. All functions must be specified with parentheses, even if they have no parameters. Otherwise Oracle Database inter...
partitioning column(s) Please add more information about this Error Is This Answer Correct ?0 Yes0 No Post New Answer More Oracle Errors Interview Questions AMD-00145: error attaching Workspace "string" in mode "string" 1 Answers DRG-11850: Transformation Applied ...
Re: Partitioning VS index 4145 Mikael Ronström September 12, 2007 11:30AM Sorry, you can't reply to this topic. It has been closed. Content reproduced on this site is the property of the respective copyright holders. It is not reviewed in advance by Oracle and does not necessarily repr...
the table, so the partitioning mechanism for a local index is the same as that for the table. Local indexes and local unique indexes are supported. If a local unique index is to be used to enforce the uniqueness of data, the table partition key must be included in the local unique ...
Re: Partitioning VS index 4145 Mikael Ronström September 12, 2007 11:30AM Sorry, you can't reply to this topic. It has been closed. Content reproduced on this site is the property of the respective copyright holders. It is not reviewed in advance by Oracle and does not necessarily repr...