Hi All,

We have enterprise version of Neo4j running a single server in Server mode.
I have the following doubts.

1) If i have a node of type Employee with label Person on the attribute 
employee_id. Employee has another attribute called Name can i add a index 
on Name . Will this index take care of indexing existing data ?
2) I want to use Cypher Engine and i want to use schema with Uniqueness 
constraint. My question is do i create a Cypher Engine when my Neo4j 
unmanaged extension starts with the schema constraint ? or do i execute the 
Cypher just once in the beginning and then no need to do it even if server 
is restarted multiple times i.e. schema is persisted in DB.
3) I want to use a single instance of Cypher Engine as this is recommended 
for performance . How does a single Cypher Engine handle concurrent query 
requests. What are the best practices for this scenario.


Thanks
Gagan

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