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https://dev.mysql.com/doc/internals/en/optimizer-joins-access-methods.html
Bad join choices can cause more damage than bad choices in single-table searches, so MySQL developers have spent proportionally more time making sure that the tables in a query are joined in an optimal order and that optimal access methods (often ...
https://dev.mysql.com/doc/ndbapi/en/mccj-using-clusterj-start.html
Unexpected errors: These are failures to work with the cluster that cannot be accounted for by the conditions of the application, but are nonfatal. Trying to obtain a session when the State is not OPEN results in a ClusterJUserException, with the ...
https://dev.mysql.com/doc/relnotes/connector-cpp/en/news-8-0-17.html
Applications that expect host names to be a maximum of 60 characters should be adjusted to account for this change. (WL #12721) X DevAPI Notes For index specifications passed to the Collection::createIndex() method (for X DevAPI applications) or the ... Character Set Support Compilation Notes Configuration Notes Function and Operator Notes X DevAPI Notes Functionality Added or Changed Bugs Fixed Character Set Support Connector/C++ now supports the utf8mb4_0900_bin collation added for the utf8mb4 Unicode character set in MySQL ...
https://dev.mysql.com/doc/relnotes/connector-cpp/en/news-8-0-23.html
This package now is required only on hosts where Connector/C++ applications make connections using commercial MySQL server accounts with LDAP authentication. Legacy (JDBC API) Notes Functionality Added or Changed Bugs Fixed Legacy (JDBC API) Notes ...
https://dev.mysql.com/doc/relnotes/connector-net/en/news-8-0-18.html
(WL #13387) Previously, if the server restricted a classic Connector/NET session to sandbox mode and the password on the account expired, the session continued to permit the use of SET statements. Functionality Added or Changed Bugs Fixed ...
https://dev.mysql.com/doc/relnotes/connector-odbc/en/news-8-0-11.html
For accounts that use the caching_sha2_password or sha256_password authentication plugin, this key can be used during the connection process for RSA key-pair based password exchange with TLS disabled. MySQL Connectors and other MySQL client tools ...
https://dev.mysql.com/doc/relnotes/connector-odbc/en/news-8-0-21.html
(Bug #30277891, Bug #96642) Added a workaround to account for a limitation in the iODBC SQLGetPrivateProfileString() implementation as previously DSN options could be lost. Security Notes Bugs Fixed Security Notes For platforms on which OpenSSL ...
https://dev.mysql.com/doc/relnotes/connector-odbc/en/news-8-0-23.html
It remains required for connections using commercial MySQL server accounts with LDAP authentication, so must be manually installed for that situation. Functionality Added or Changed Bugs Fixed Functionality Added or Changed Previously, ...
https://dev.mysql.com/doc/relnotes/connector-odbc/en/news-8-0-29.html
(Bug #33720924) The ODBC driver would unexpectedly halt when connecting to accounts that required client-side authentication plugins if those plugins depended on 3rd-party libraries (such as authentication_fido and libfido2.dll) that could not be ...
https://dev.mysql.com/doc/relnotes/connector-python/en/news-8-0-5.html
(Bug #26648417) Functionality Added or Changed MySQL Connector/Python now supports connections to MySQL accounts that use the caching_sha2_password authentication plugin (see Caching SHA-2 Pluggable Authentication). Packaging Notes Functionality ...