Could the `SPATIAL_VECTOR_ACCELERATION` parameter be enabled in db<>fiddle for Oracle 18c? (it's enabled by default in 21c+ installations)

 - [Oracle Spatial Vector Acceleration: Flick the Switch](https://www.spdba.com.au/oracle-spatial-vector-acceleration-flick-the-switch/)

 - [1.22 SPATIAL_VECTOR_ACCELERATION System Parameter](https://docs.oracle.com/en/database/oracle/oracle-database/18/spatl/spatial-concepts.html#GUID-E813A365-6433-4CB8-B155-A5ACA8AAD669)

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I can't seem to check from a non-dba user [(Oracle Spatial Community link)](https://community.oracle.com/tech/apps-infra/discussion/4500610/check-if-spatial-vector-acceleration-is-enabled-as-a-non-dba):

>     select * from v$parameter;
> 
> ORA-00942: table or view does not exist



>     show parameter SPATIAL_VECTOR_ACCELERATION;
> 
> ORA-00900: invalid SQL statement


*db<>fiddle [here](https://dbfiddle.uk/?rdbms=oracle_18&fiddle=8aec2a1c254d3f14ecec7cad26ceae50)*