Oracle® Database 8i | 9i | 10g | 11g | 12c | 18c | 19c Error Codes

Information for Database Error Code ORA-01531: a database already open by the instance
Oracle® Database Error ORA-0153132/6

ORA-01531: a database already open by the instance

Cause: During ALTER DATABASE, an attempt was made to open a database on an instance for which there is already an open database.

Action: If you wish to open a new database on the instance, first shutdown the instance and then startup the instance and retry the operation.

Error Type: ORA

Oracle® Database Error Codes 8i | 9i | 10g | 11g | 12c | 18c | 19c

Record: 1/1

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