The util.checkForServerUpgrade() function is an upgrade checker utility that enables you to verify whether MySQL server instances are ready for upgrade. You can select a target MySQL Server release to which you plan to upgrade, ranging from the ...

MySQL Shell enables you to work with various APIs, and supports specifying connections as explained in Connecting to the Server Using URI-Like Strings or Key-Value Pairs. You can specify connections using either URI-like strings, or key-value pairs. For AdminAPI operations, you can only connect to server instances in an InnoDB Cluster using TCP/IP connections and classic MySQL ...