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Why Does My Python MySQL Update Seem Successful But the Database Remains Unchanged?

Patricia Arquette
Release: 2024-12-07 00:30:14
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Why Does My Python MySQL Update Seem Successful But the Database Remains Unchanged?

Database Update Failure with MySQL and Python

In an attempt to update a row in a MySQL database using Python, a user encountered an issue where the database failed to update as intended, despite the program indicating successful execution.

To resolve this problem, the user should consider that:

  • They may be using an INNODB table and missing a crucial commit action before closing the connection.
  • MySQLdb version 1.2.0 and later disable autocommit by default.

To rectify the issue, the following step is recommended:

conn.commit()
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This should be executed before closing the connection. By explicitly committing the changes, the database will be updated accordingly. Failure to do so may result in the database remaining unchanged, even though the program indicates a successful update operation.

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