Error
Error Code: ORA-30355

Oracle ORA-30355: Missing Container

📦 Oracle Database
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Description

The ORA-30355 error in Oracle Database indicates that a materialized view container table, which stores the actual data of a materialized view, is missing. This typically happens when a `DROP TABLE` command is incorrectly used to delete the container table instead of the `DROP MATERIALIZED VIEW` command.
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Error Message

materialized view container does not exist
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Known Causes

3 known causes
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Incorrect DROP TABLE Usage
The `DROP TABLE` command was directly executed against the materialized view's container table, bypassing the correct procedure for removing a materialized view.
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Accidental Table Deletion
The container table might have been inadvertently dropped due to a script error or unintended execution of a `DROP TABLE` statement.
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Database Corruption
In rare cases, database corruption could lead to the loss or inaccessibility of the materialized view container table.
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Solutions

Coming Soon

Detailed step-by-step solutions for this error are being prepared. In the meantime, try these general troubleshooting tips:

General Troubleshooting Tips

  • Check the error message carefully for specific details
  • Review recent changes that might have caused the error
  • Search for the exact error code in the official documentation
  • Check log files for additional context
  • Try restarting the application or service

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