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Sunday, 24 April 2016

ORA-00092

             ORA-00092: LARGE_POOL_SIZE must be greater than LARGE_POOL_MIN_ALLOC

Cause: The value of LARGE_POOL_SIZE is less than the value of LARGE_POOL_MIN_ALLOC.


Action: Increase the value of LARGE_POOL_SIZE past the value of LARGE_POOL_MIN_ALLOC.

ORA-00091:

             ORA-00091: LARGE_POOL_SIZE must be at least string

Cause: The value of LARGE_POOL_SIZE is below the minimum size.

             Action: Increase the value of LARGE_POOL_SIZE past the minimum size


Below are answers to some frequently asked questions about this error:-

1. What is ORA-00091?
   - ORA-00091 is an Oracle error code that indicates a transaction has attempted to change the session's state after a transaction control statement (such as COMMIT or ROLLBACK) has been issued and before the transaction has been completed.

2. What causes ORA-00091?
   - This error typically occurs when a session tries to execute a DML (Data Manipulation Language) statement, such as INSERT, UPDATE, DELETE, or SELECT FOR UPDATE, after issuing a transaction control statement like COMMIT or ROLLBACK, without starting a new transaction. It indicates an attempt to perform a DML operation outside the bounds of a transaction.

3. How can I resolve ORA-00091?
   - To resolve ORA-00091, ensure that DML operations are performed within the boundaries of a transaction. This involves ensuring that every transaction begins with a transaction control statement (usually BEGIN TRANSACTION or START TRANSACTION) and ends with either a COMMIT or ROLLBACK statement. If you encounter this error, review your transaction management logic to ensure proper handling of transaction boundaries.

4. Can ORA-00091 be encountered in distributed transactions?
   - Yes, ORA-00091 can also occur in distributed transactions involving multiple databases. In distributed transactions, it's important to ensure that transaction boundaries are managed correctly across all involved databases to avoid encountering this error.

5. Is there any way to prevent ORA-00091 from occurring?
   - Yes, to prevent ORA-00091, it's essential to follow best practices for transaction management. Ensure that each transaction begins with a transaction control statement and ends with either a COMMIT or ROLLBACK statement. Additionally, carefully review and test transaction logic to ensure it operates as expected and doesn't violate transaction boundaries.

By understanding the causes and resolution of ORA-00091, database developers and administrators can effectively manage transactions and mitigate the occurrence of this error in Oracle databases.

ORA-00090

             ORA-00090: failed to allocate memory for cluster database ORADEBUG command

Cause: Could not allocate memory needed to execute cluster database oradebug.

             Action: Reissue the command on each instance with single-instance oradebug

ORA-00089

             ORA-00089: invalid instance number in ORADEBUG command

Cause: An invalid instance number was specified in a cluster database ORADEBUG command.


Action: Reissue the command with valid instance numbers.

ORA-00088

             ORA-00088: command cannot be executed by shared server

Cause: Debug command issued on shared server.


Action: Reissue the command using a dedicated server.

ORA-00087

             ORA-00087: command cannot be executed on remote instance

Cause: Cluster database command issued for non cluster database ORADEBUG command.


Action: Issue the command without the cluster database syntax.

ORA-00086

             ORA-00086: user call does not exist

Cause: An invalid attempt was made to dump the user call heap.


Action: Wait until the process starts a call.


ORA-00085

             ORA-00085: current call does not exist

Cause: An invalid attempt was made to dump the current call heap.


Action: Wait until the process starts a call.

ORA-00084

             ORA-00084: global area must be PGA, SGA, or UGA

Cause: An attempt was made to dump an invalid global area.

             Action: Specify either PGA, SGA, or UGA

ORA-00083

             ORA-00083: warning: possibly corrupt SGA mapped

Cause: Even though there may be SGA corruptions, the SGA was mapped.


Action: Use the DUMPSGA command to dump the SGA.

ORA-00082

             ORA-00082: memory size of string is not in valid set of [1], [2], [4]stringstringstringstringstring

Cause: An invalid length was specified for the POKE command.


Action: Use a valid length (either 1, 2, 4, or possibly 8).

ORA-00081

              ORA-00081: address range [string, string) is not readable

Cause: An attempt was made to read/write an invalid memory address range.


Action: Try another address or length.

ORA-00080

             ORA-00080: invalid global area specified by level string

Cause: An attempt was made to dump an invalid global area.


Action: Use level 1 for the PGA, 2 for the SGA, and 3 for the UGA. Use <extra + level> to dump global area <level> as well as <extra> bytes for every pointer; <extra> must be a multiple of 4.

ORA-00079

             ORA-00079: variable string not found

Cause: An attempt was made to dump a variable that does not exist.


Action: Use a valid variable name.

ORA-00078

             ORA-00078: cannot dump variables by name

Cause: An attempt was made to dump a variable by name on a system that does not support this feature.


Action: Try the PEEK command.

ORA-00077

             ORA-00077: dump string is not valid

Cause: An attempt was made to invoke an invalid dump.


Action: Try another dump.

ORA-00076

             ORA-00076: dump string not found

Cause: An attempt was made to invoke a dump that does not exist.


Action: Type DUMPLIST to see the list of available dumps.

ORA-00075

             ORA-00075: process "string" not found in this instance.

Cause: The specified process was not logged on to the current instance.

              Action: Specify a valid process

ORA-00074

            ORA-00074: no process has been specified

Cause: No debug process has been specified.


Action: Specify a valid process.

ORA-00072

             ORA-00072: process "string" is not active

Cause: An invalid process was specified.


Action: Specify a valid process.

ORA-00071

            ORA-00071: process number must be between 1 and string

Cause: An invalid process number was specified.


Action: Specify a valid process number.

ORA-00070

             ORA-00070: command string is not valid.

Cause: An invalid debugger command was specified.

              Action: Type HELP to see the list of available commands

ORA-00069

             ORA-00069: cannot acquire lock -- table locks disabled for string.

Cause: A command was issued that tried to lock the table indicated in the message. Examples of commands that can lock tables are: LOCK TABLE, ALTER TABLE ... ADD (...), and so on.

              Action: Use the ALTER TABLE ... ENABLE TABLE LOCK command, and retry the command

ORA-00068

             ORA-00068: invalid value string for parameter string, must be between string and string.

Cause: The value for the initialization parameter is invalid.


Action: Choose a value as indicated by the message.

ORA-00067

            ORA-00067: invalid value string for parameter string; must be at least string.

Cause: The value for the initialization parameter is invalid.


Action: Choose a value as indicated by the message.

ORA-00066

             ORA-00066: SID string contains an illegal character

Cause: The specified SID contains an illegal character which cannot occur in an SPFILE setting. Illegal characters include ,#"'=() and whitespace.

             Action: Use a SID that does not contain a special character or whitespace.

ORA-00065

              ORA-00065: initialization of FIXED_DATE failed

              Cause: The FIXED_DATE string was not in date format yyyy-mm-dd:hh24:mi:ss.

Action: Make sure the initialization parameter is in the correct date format.


ORA-00064

              ORA-00064: object is too large to allocate on this O/S (string,string,string).

Cause: An initialization parameter was set to a value that required allocating more contiguous space than can be allocated on this operating system.


Action: Reduce the value of the initialization parameter.

Saturday, 23 April 2016

ORA-00063

             ORA-00063: maximum number of log files exceeded string.

Cause: The number of log files specificied exceeded the maximum number of log files supported in this release.

            Action: Re-create the control file with the highest number of log files no greater than the maximum                                   supported in this release.

ORA-00062:

            ORA-00062: DML full-table lock cannot be acquired; DML_LOCKS is 0

Cause: The instance was started with DML_LOCKS = 0, and the statement being executed needs a full-table lock (S, X, or SSX).


Action: Restart the instance with DML_LOCKS not equal to zero, and reexecute the statement.

ORA-00061

             ORA-00061: another instance has a different DML_LOCKS setting.


Cause: The shared instance being started is using DML locks, and the running instances are not, or vice-versa.

Action: Ensure that all instances' INIT.ORA files specify the DML_LOCKS parameter as 0 or all as non-zero.

ORA-00060

            ORA-00060: deadlock detected while waiting for resource.

Cause: Transactions deadlocked one another while waiting for resources.


Action: Look at the trace file to see the transactions and resources involved. Retry if necessary.

ORA-00059

            ORA-00059: maximum number of DB_FILES exceeded.

Cause: The value of the DB_FILES initialization parameter was exceeded.


Action: Increase the value of the DB_FILES parameter and warm start.

ORA-00058

             ORA-00058: DB_BLOCK_SIZE must be string to mount this database (not string).

Cause: DB_BLOCK_SIZE initialization parameter is wrong for the database being mounted. It does not match the value used to create the database.


Action: Fix the value of the DB_BLOCK_SIZE parameter or mount a database that matches the value.

ORA-00057

             ORA-00057: maximum number of temporary table locks exceeded

Cause: The number of temporary tables equals or exceeds the number of temporary table locks. Temporary tables are often created by large sorts.


Action: Increase the value of the TEMPORARY_TABLE_LOCKS initialization parameter and warm start.

ORA-00056

            ORA-00056: DDL lock on object 'string.string' is already held in an incompatible mode.

Cause: An attempt was made to acquire a DDL lock that is already locked.


Action: This happens if you attempt to drop a table that has parse locks on it.

ORA-00055

            ORA-00055: maximum number of DML locks exceeded.

Cause: Ran out of DML lock state objects.

             Action: Increase the value of the DML_LOCKS initialization parameter and warm start

ORA-00054

             ORA-00054: resource busy and acquire with NOWAIT specified or timeout expired

Cause: Interested resource is busy.

              Action: Retry if necessary or increase timeout

ORA-00053

             ORA-00053: maximum number of enqueues exceeded.

Cause: Ran out of enqueue state objects.


Action: Increase the value of the ENQUEUES initialization parameter.

ORA-00052

           ORA-00052: maximum number of enqueue resources (string) exceeded.

Cause: Ran out of enqueue resources.


Action: Increase the value of the ENQUEUE_RESOURCES initialization parameter.

ORA-00051

             ORA-00051: timeout occurred while waiting for a resource.

Cause: Usually due to a dead instance.


Action: Check for any dead, unrecovered instances and recover them.

ORA-00050

ORA-00050: operating system error occurred while obtaining an enqueue.

Cause: Could not obtain the operating system resources necessary to cover an oracle enqueue. This is normally the result of an operating system user quota that is too low.

Action: Look up the operating system error in your system documentation and perform the needed action.

ORA-00044

             ORA-00044: timed_statistics must be TRUE when statistics_level is not BASIC.

Cause: The user attempted to set timed_statistics to FALSE when statistics_level was not BASIC. timed_statistics is required to be TRUE to collect meaningful statistics when statistics_level is set to TYPICAL or ALL.

             Action: Either set timed_statistics to TRUE or set statistics_level to BASIC.

ORA-00043

            ORA-00043: remote operation failed.

Cause: Execution of the inter-instance operation failed.


Action: Check the status of the target instance. The operation may have partially executed. Verify the result of the intended operation.

ORA-00042

             ORA-00042: Unknown Service name string

Cause: An attempt was made to use an invalid application service.

              Action: Use a valid service name from SERVICE$ or add a new service using the DBMS_SERVICE                                  package

ORA-00041

             ORA-00041: active time limit exceeded - session terminated

Cause: The Resource Manager SWITCH_TIME limit was exceeded.


Action: Reduce the complexity of the update or query, or contact your database administrator for more information.

ORA-00040

             ORA-00040: active time limit exceeded - call aborted.

Cause: The Resource Manager SWITCH_TIME limit was exceeded.


Action: Reduce the complexity of the update or query, or contact your database administrator for more information.

ORA-00039

            ORA-00039: error during periodic action

Cause: An unexpected error occurred while executing a periodically invoked


Action: Check the error stack for detailed error information.
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