Maximum number of columns is 32
ORA-30434 – Oracle Error Code
Refresh method must be one of FC?AN- not ‘string’
ORA-30370 – Oracle Error Code
Set operators are not supported in this context
ORA-30371 – Oracle Error Code
Column cannot define a level in more than one dimension
ORA-30372 – Oracle Error Code
Fine grain access policy conflicts with materialized view
ORA-30373 – Oracle Error Code
Object data types are not supported in this context
ORA-30374 – Oracle Error Code
Materialized view is already fresh
ORA-30359 – Oracle Error Code
Query rewrite is not supported on SYS materialized views
ORA-30360 – Oracle Error Code
REF not supported with query rewrite
ORA-30361 – Oracle Error Code
Unrecognized string type