These versions of MySQL Connector/C are available:
MySQL Connector/C 6.1: Based on the C API parts of current MySQL sources and kept up to date with those sources.
MySQL Connector/C 6.0: Created originally from a branch of the MySQL source tree, but now out of date with respect to C API changes in that tree.
Consequently, MySQL Connector/C 6.1 is preferred over 6.0. MySQL Connector/C 6.1 provides these features not present in 6.0:
Support for the pluggable authentication framework that enables implementation of authentication methods as plugins. This framework can be used for MySQL native authentication as well as external authentication methods. See Pluggable Authentication.
Client-side support for the SHA-256, PAM, and Windows native authentication plugins. See The SHA-256 Authentication Plugin, The PAM Authentication Plugin, and The Windows Native Authentication Plugin.
The older MySQL Connector/C 6.0 can connect only to accounts that use native MySQL passwords. If a client program attempts to connect to an account that requires a different authentication method, an “Access denied for user” error occurs.
Support for connecting to accounts that have expired passwords. See Password Expiration and Sandbox Mode.
Support for prepared
statements. This enables client programs to handle stored
procedures that produce multiple result sets and to obtain the
final value of
INOUT procedure parameters. See
C API Support for Prepared
Support for connecting over IPv6. See IPv6 Support.
Support for binding client programs to a specific IP address
at connect time. See
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