In PostgreSQL, you can use the following query to know disabled/enabled indexes:
SELECT indexname, indexdef::text FROM pg_indexes WHERE tablename = 'your_table_name';
In Oracle, you can use the following query to know disabled/enabled indexes:
SELECT index_name, status FROM user_indexes WHERE table_name = 'your_table_name';
What is the query to identify disabled indexes in Oracle database?
To identify disabled indexes in an Oracle database, you can use the following query:
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SELECT index_name, table_name FROM user_indexes WHERE status = 'UNUSABLE'; |
This query will retrieve the names of the disabled indexes along with the table they belong to from the user_indexes
view.
What is the syntax to view enabled indexes in PostgreSQL?
To view enabled indexes in PostgreSQL, you can use the following SQL query:
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SELECT indexname, indexdef FROM pg_indexes WHERE tablename = 'your_table_name'; |
Replace 'your_table_name' with the name of the table for which you want to view the enabled indexes. This query will return the names and definitions of all enabled indexes on that table.
What is the SQL query to display enabled indexes in Oracle?
To display enabled indexes in Oracle, you can use the following SQL query:
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SELECT index_name, table_name, status FROM dba_indexes WHERE status = 'VALID'; |
This query selects the name of the index, the table it belongs to, and its status from the dba_indexes
view. The WHERE
clause filters the results to only show indexes that have a status of 'VALID', which indicates that they are enabled.
What is the command to fetch information about disabled indexes in PostgreSQL?
To fetch information about disabled indexes in PostgreSQL, you can use the following command:
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SELECT indexname, tablename FROM pg_indexes WHERE indisready = false; |
This will show you a list of disabled indexes in your PostgreSQL database.
How to list all disabled indexes in Oracle using SQL?
You can list all disabled indexes in Oracle by querying the dba_indexes view. Here's an example SQL query to do so:
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SELECT index_name, table_name FROM dba_indexes WHERE status = 'UNUSABLE'; |
This query will return a list of all disabled indexes in the Oracle database, along with the table they belong to.
How to know if an index is disabled or enabled in PostgreSQL?
To check if an index is enabled or disabled in PostgreSQL, you can use the following query:
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SELECT indexname, indexdef FROM pg_indexes WHERE tablename = 'your_table_name' AND indexname = 'your_index_name'; |
This query will return the index definition and you can check if the index is enabled or disabled based on the index definition. If the index is disabled, it will show in the index definition as DISABLED
. If it is enabled, there will be no mention of it being disabled in the index definition.