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https://dev.mysql.com/doc/connector-net/en/connector-net-programming-blob-writing.html
To write a file to a database, we need to convert the file to a byte array, then use the byte array as a parameter to an INSERT query. After assigning the byte array as a parameter of the MySqlCommand object, the ExecuteNonQuery method is called ...
https://dev.mysql.com/doc/connector-net/en/connector-net-programming-datetime-null.html
As such, when assigning values from a query to a DateTime variable, you must first check whether the value is in fact NULL.
https://dev.mysql.com/doc/connector-net/en/connector-net-ref-entityframework.html
Classes Class Description BackoffAlgorithm Represents the base class for backoff algorithms. BackoffAlgorithmErr1040 Backoff algorithm customized for the MySQL error code 1040 - Too many connections. BackoffAlgorithmErr1205 Backoff algorithm ...
https://dev.mysql.com/doc/connector-odbc/en/connector-odbc-architecture.html
The database is used as the source of the data (during queries) and the destination for data (during inserts and updates). The Connector/ODBC architecture is based on five components, as shown in the following diagram: Figure 3.1 Connector/ODBC ...
https://dev.mysql.com/doc/connector-odbc/en/connector-odbc-errors.html
Values Truncated to 255 Characters When submitting queries with parameter binding using UPDATE, my field values are being truncated to 255 characters. The following section details some common errors and their suggested fix or alternative solution.
https://dev.mysql.com/doc/connector-odbc/en/connector-odbc-examples-tools-with-crystalreports.html
Crystal Reports can use an ODBC DSN to connect to a database from which you to extract data and information for reporting purposes. Note There is a known issue with certain versions of Crystal Reports where the application is unable to open and ...
https://dev.mysql.com/doc/connector-odbc/en/connector-odbc-general-information.html
ODBC (Open Database Connectivity) provides a way for client programs to access a wide range of databases or data sources. ODBC is a standardized API that enables connections to SQL database servers. It was developed according to the specifications ...
https://dev.mysql.com/doc/connector-odbc/en/connector-odbc-opentelemetry.html
For applications on Linux systems that use OpenTelemetry (OTel) instrumentation, the connector adds query and connection spans to the trace generated by application code and forwards the current OpenTelemetry context to the server. Note OTel ...
https://dev.mysql.com/doc/connector-odbc/en/connector-odbc-usagenotes-apptips-borland-cppbuilder.html
The only known problem is that when the table schema changes, query fields are not updated. BDE, however, does not seem to recognize primary keys, only the index named PRIMARY, although this has not been a problem.
https://dev.mysql.com/doc/connector-odbc/en/connector-odbc-usagenotes-apptips-microsoft-ado.html
When you are coding with the ADO API and Connector/ODBC, you need to pay attention to some default properties that aren't supported by the MySQL server. For example, using the CursorLocation Property as adUseServer returns a result of −1 for the ...