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https://dev.mysql.com/doc/refman/8.4/en/data-masking-component-usage.html
Both functions support an input string that is encoded in any character set: mask_inner() masks the interior of its string argument, leaving the ends unmasked. Before using MySQL Enterprise Data Masking and De-Identification, install it according ...
https://dev.mysql.com/doc/refman/8.4/en/data-masking-plugin-functions.html
mask_inner(str, margin1, margin2 [, mask_char]) Masks the interior part of a string, leaving the ends untouched, and returns the result. The MySQL Enterprise Data Masking and De-Identification plugin library includes several functions, which may be ...
https://dev.mysql.com/doc/refman/8.4/en/data-masking-plugin-usage.html
General-Purpose Masking Functions mask_inner() and mask_outer() are general-purpose functions that mask parts of arbitrary strings based on position within the string: mask_inner() masks the interior of its string argument, leaving the ends unmasked. Before using MySQL Enterprise Data Masking and De-Identification, install it according to the instructions provided at Section 8.5.3.1, “MySQL Enterprise Data Masking and De-Identification Plugin ...
https://dev.mysql.com/doc/refman/8.4/en/delete.html
For MyISAM tables, if you use the QUICK modifier, the storage engine does not merge index leaves during delete, which may speed up some kinds of delete operations. The QUICK modifier affects whether index leaves are merged for delete operations.
https://dev.mysql.com/doc/refman/8.4/en/group-replication-background.html
Servers can leave and join the group and the view is updated accordingly. Sometimes servers can leave the group unexpectedly, in which case the failure detection mechanism detects this and notifies the group that the view has changed. The most ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-multi-primary-mode.html
Figure 20.5, “Client Failover” shows how clients can reconnect to an alternative group member if a member leaves the group. If a member leaves the group, the members running the version that is now the lowest are automatically set to read/write ... In multi-primary mode (group_replication_single_primary_mode=OFF) no member has a special ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-online-upgrade-combining-versions.html
In an upgrade scenario, each server must leave the group, be upgraded, and rejoin the group with its new server version. If a member leaves the group, the members running the version that is now the lowest are automatically set to read/write mode.
https://dev.mysql.com/doc/refman/8.4/en/group-replication-responses-failure-exit.html
The group_replication_exit_state_action system variable specifies what Group Replication does when the member leaves the group unintentionally due to an error or problem, and either fails to auto-rejoin or does not try. It also leaves the instance ...Note that in the case of an expelled member, the member does not know that it was expelled until it reconnects to the group, so the specified action is only taken if the member manages to reconnect, or if the member raises a suspicion on itself and expels ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication.html
Servers can leave and join the group and the view is updated accordingly. Sometimes servers can leave the group unexpectedly, in which case the failure detection mechanism detects this and notifies the group that the view has changed. This chapter ...
https://dev.mysql.com/doc/refman/8.4/en/index-preloading.html
If there are enough blocks in a key cache to hold blocks of an entire index, or at least the blocks corresponding to its nonleaf nodes, it makes sense to preload the key cache with index blocks before starting to use it. Preloading enables you to ...