Cannot have more than one rollup/cube expression list
ORA-30508 – Oracle Error Code
Client logon triggers cannot have BEFORE type
ORA-30490 – Oracle Error Code
Ambiguous expression in GROUP BY ROLLUP or CUBE list
ORA-30509 – Oracle Error Code
Client logoff triggers cannot have AFTER type
ORA-30493 – Oracle Error Code
The percentile value should be a number between 0 and 1.
ORA-30510 – Oracle Error Code
System triggers cannot be defined on the schema of SYS user
ORA-30500 – Oracle Error Code
Database open triggers and server error triggers cannot have BEFORE type
ORA-30454 – Oracle Error Code
Summary contains STDDEV without corresponding SUM & COUNT
ORA-30465 – Oracle Error Code
Supplied run_id is not valid: string
ORA-30455 – Oracle Error Code
Summary contains VARIANCE without corresponding SUM & COUNT