5.10 Privileges to Query a SQL Property Graph

You must have the READ or SELECT object privilege to query a SQL property graph.

If you are the graph creator, then you can allow other graph users to query your graph by granting any one of the following privileges:

GRANT READ ON PROPERTY GRAPH <graph_name> TO <schema_user>;
GRANT SELECT ON PROPERTY GRAPH <graph_name> TO <schema_user>;

It is important to note that granting the preceding privileges allows access only to the property graph object and not to its underlying database tables.

This allows the graph user to successfully run SQL graph queries on your graph without having access to the underlying tables. For example:

GRANT READ ON PROPERTY GRAPH students_graph TO hr;

SQL> conn hr/<password_for_hr>;
Connected.
SQL> SELECT * FROM GRAPH_TABLE (graphuser.students_graph MATCH (a IS person) COLUMNS (a.name AS person_a));

PERSON_A
----------
John
Mary
Bob
Alice

However, to perform SQL graph queries with VERTEX_ID and EDGE_ID functions, the graph user must additionally have READ or SELECT privilege on the underlying database tables.