= Alter SAI index
:description: Discuss why an SAI index for a CQL table cannot be modified.

SAI indexes cannot be altered. 
If you need to modify an SAI index, you will need to drop the current index, create a new index, and rebuild the cycling.

. Drop index
+
[source, language-cql]
----
include::cassandra:example$CQL/sai/drop-sai-index.cql[]
----

. Create new index  
+ 
[source, language-cql]
----
include::cassandra:example$CQL/sai/cyclist_semi_pro_sai_indices.cql[tag=createQuickStartIndices]
----

