alter index unusable 5

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A direct path load against a table or partition will also leave its indexes unusable. Share and learn SQL and PL/SQL; free access to the latest version of Oracle Database! How would you recommend we proceed in a data warehouse environment, where we have big nightly loads?

This requires enough temporary space to build all indexes of the table.

The problem usually happens when using the Direct Path for the SQL*Loader, Direct Load or DDL operations. A direct path load against a table or partition will also leave its indexes unusable. Test system is a dual CPU machine and prod is 8 CPU. ALTER INDEX (Transact-SQL) 08/21/2019; 45 minutes to read +19; In this article. alter index idx_obj unusable / insert into t values (-1) / ORA-01502: index 'IDX_OBJ' or partition of such index is in unusable state alter session set skip_unusable_indexes=true / insert into t values (-1) / 1 row created.-- end attempt 2 **** Regards Sergey from Kharkov, Ukraine. ALTER INDEX indexname REBUILD; ALTER INDEX indexname REBUILD PARTITION partitonname; will make the Index or Partition USABLE again. Home » Software » Databases » ORA-01502 Oracle Index in Unusable State. ORA-01502: index ‘string.string’ or partition of such index is in unusable state. We use cookies to ensure that we give you the best experience on our website. Answered by: Tom Kyte - Last updated: March 19, 2006 - 2:15 pm UTC, Reviewer: Kamal Kishore from New Jersey, USA, Reviewer: Arun Gupta from Harrisburg, PA USA, Reviewer: Logan Palanisamy from Santa Clara, CA USA. If you continue to use this site we will assume that you are happy with it. Oracle11g: Zero Sized Unusable Indexes (Zeroes) February 25, 2011 Posted by Richard Foote in 11g, 11g New features, Oracle Indexes, Unusable Indexes. This page was last edited on 1 December 2017, at 15:44. Queries and other operations against a table with unusable indexes will generate errors: The following SQL commands can be used to detect unusable indexes: The following SQL will print out a list of alter commands that can be executed to fix unusable indexes: or if you prefer via single PLSQL anonymous block: They don't have same RAM either, so it'll be like comparing "apple Vs orange" in your terms ;), But there must be some way by which I can, Ok, I contacted metalink support on this and here, Is this answer out of date? You can: Generally, the following SQL manipulation language will be able to rebuild the unusable index: Enter your email address to subscribe to this blog and receive notifications of new posts by email. Applies to: SQL Server (all supported versions) Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics Parallel Data Warehouse Modifies an existing table or view index (rowstore, columnstore, or XML) by disabling, rebuilding, or reorganizing the index; or by setting options on the index. The error indicates an attempt has been made to access an index or index partition that has been marked unusable by a direct load or by a DDL operation. Oracle indexes can go into a UNUSABLE state after maintenance operation on the table or if the index is marked as 'unusable' with an ALTER INDEX command.
Solution to this error is simple. Classes, workouts and quizzes on Oracle Database technologies. My test and production hardware is different. Also see: skip_unusable_indexes tips. alter session set skip_unusable_indexes = true; Also see: skip_unusable_indexes tips, Oracle disable index tips : Get the Complete Oracle SQL Tuning Information The landmark book "Advanced Oracle SQL Tuning The Definitive Reference" is filled with valuable information on … Expertise through exercise! Windows 10 Anniversary Update (Version 1607 - Build 14393), Windows 10 Creators Update (Version 1703 - Build 15063), Drop the specified index and/or recreate the index.

Pauline,Tom had a note on his front page which said OTN has moved all the links and i right now i cannot do anything about that, didn't you read that. When I use Unusable, it works, but I am not able to insert any data after I make index unusable.

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