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https://dev.mysql.com/doc/connector-python/en/connector-python-api-errors-databaseerror.html
This exception is the default for any MySQL error which does not fit the other exceptions.
https://dev.mysql.com/doc/connector-python/en/connector-python-api-errors-dataerror.html
This exception is raised when there were problems with the data. Examples are a column set to NULL that cannot be NULL, out-of-range values for a column, division by zero, column count does not match value count, and so on.
https://dev.mysql.com/doc/connector-python/en/connector-python-api-errors-error.html
This exception is the base class for all other exceptions in the errors module. It can be used to catch all errors in a single except statement. errors.Error is internally used by Connector/Python to raise MySQL client and server errors and should ...
https://dev.mysql.com/doc/connector-python/en/connector-python-api-errors-integrityerror.html
This exception is raised when the relational integrity of the data is affected. For example, a duplicate key was inserted or a foreign key constraint would fail. The following example shows a duplicate key error raised as IntegrityError: ...
https://dev.mysql.com/doc/connector-python/en/connector-python-api-errors-interfaceerror.html
This exception is raised for errors originating from Connector/Python itself, not related to the MySQL server.
https://dev.mysql.com/doc/connector-python/en/connector-python-api-errors-internalerror.html
This exception is raised when the MySQL server encounters an internal error, for example, when a deadlock occurred.
https://dev.mysql.com/doc/connector-python/en/connector-python-api-errors-notsupportederror.html
This exception is raised when some feature was used that is not supported by the version of MySQL that returned the error. It is also raised when using functions or statements that are not supported by stored routines.
https://dev.mysql.com/doc/connector-python/en/connector-python-api-errors-operationalerror.html
This exception is raised for errors which are related to MySQL's operations. For example: too many connections; a host name could not be resolved; bad handshake; server is shutting down, communication errors.
https://dev.mysql.com/doc/connector-python/en/connector-python-api-errors-poolerror.html
This exception is raised for connection pool errors. errors.PoolError is a subclass of errors.Error. ...
https://dev.mysql.com/doc/connector-python/en/connector-python-api-errors-programmingerror.html
This exception is raised on programming errors, for example when you have a syntax error in your SQL or a table was not found. The following example shows how to handle syntax errors: try: cursor.execute("CREATE DESK t1 (id int, PRIMARY KEY (id))") ...