What is Oracle index status na?
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What is Oracle index status na?
N/A indicates that index is a partitioned index.This is explicitly enforced by catalog.sql.To get the status of the partitioned index query DBA_IND_PARTITIONS: select table_name,INDEX_TYPE,PARTITIONED,status from dba_indexes where status !=’USABLE’;
How do you check indexes on a table?
To see the index for a specific table use SHOW INDEX: SHOW INDEX FROM yourtable; To see indexes for all tables within a specific schema you can use the STATISTICS table from INFORMATION_SCHEMA: SELECT DISTINCT TABLE_NAME, INDEX_NAME FROM INFORMATION_SCHEMA.
Can we alter index in Oracle?
Use the ALTER INDEX statement to change or rebuild an existing index. The index must be in your own schema or you must have ALTER ANY INDEX system privilege. To execute the MONITORING USAGE clause, the index must be in your own schema.
What is invisible index in Oracle 11g?
Beginning with Release 11g, you can create invisible indexes. An invisible index is an index that is ignored by the optimizer unless you explicitly set the OPTIMIZER_USE_INVISIBLE_INDEXES initialization parameter to TRUE at the session or system level.
How do I turn off indexing?
Click the plus sign to expand the table on which you want to disable an index. Click the plus sign to expand the Indexes folder. Right-click the index you want to disable and select Disable. In the Disable Indexes dialog box, verify that the correct index is in the Indexes to disable grid and click OK.
What is local index and Global index in Oracle?
A local partitioned index creates a one-for-one match between the indexes and the partitions in the table. Of course, the key value for the table partition and the value for the local index must be identical. The second method is called GLOBAL and allows the index to have any number of partitions.
How do you make an invisible index visible in Oracle?
Alter make index invisible or visible in Oracle
- Make the index invisible. ALTER INDEX schema_name.index_name INVISIBLE;
- Make the index visible. ALTER INDEX schema_name.index_name VISIBLE;
- Check the visible or invisible index present on table. COL index_name for a25.
- Session use VISIBLE or INVISIBLE index.
