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https://dev.mysql.com/doc/refman/8.0/en/audit-log-legacy-filtering.html
This enables you to control whether audited events are written to the audit log file based on the account from which events originate or event status. audit_log_connection_policy: Logging policy for connection events audit_log_statement_policy: ...
https://dev.mysql.com/doc/refman/8.0/en/constraint-enum.html
An error occurs for values that do not satisfy these conditions: An ENUM value must be one of those listed in the column definition, or the internal numeric equivalent thereof. The value cannot be the error value (that is, 0 or the empty string). A ...See Section 13.3.5, “The ENUM Type”, and Section 13.3.6, “The SET ... ENUM and SET columns provide ...
https://dev.mysql.com/doc/refman/8.0/en/bit-type.html
The BIT data type is used to store bit values. The maximum combined size of all BIT columns used in a given NDB table must not exceed 4096 bits. If you assign a value to a BIT(M) column that is less than M bits long, the value is padded on the left ...
https://dev.mysql.com/doc/refman/8.0/en/cursors.html
Cursors have these properties: Asensitive: The server may or may not make a copy of its result table Read only: Not updatable Nonscrollable: Can be traversed only in one direction and cannot skip rows Cursor declarations must appear before handler ...
https://dev.mysql.com/doc/refman/8.0/en/declare-local-variable.html
The value can be specified as an expression; it need not be a constant. If the DEFAULT clause is missing, the initial value is NULL. Local variables are treated like stored routine parameters with respect to data type and overflow checking. type ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-upgrade-with-mysqlbackup.html
As part of a provisioning approach you can use MySQL Enterprise Backup to copy and restore the data from a group member to new members. Deploy a new server instance, which must be running the same version of MySQL as the older member where the ...
https://dev.mysql.com/doc/refman/8.0/en/multiple-windows-servers.html
The following sections describe how to start each server with different values for those options that must be unique per server, such as the data directory. You can run multiple servers on Windows by starting them manually from the command line, ...
https://dev.mysql.com/doc/refman/8.0/en/myisamchk-other-options.html
If keys are packed (PACK_KEYS=1), myisamchk must unpack key blocks first, then re-create indexes and pack the key blocks again. myisamchk supports the following options for actions other than table checks and repairs: --analyze, -a Command-Line ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-optimization.html
It reduces at an early stage of query execution the amount of data retrieved. Applications that monitor databases may make frequent use of Performance Schema tables. To write queries for these tables most efficiently, take advantage of their ...For ...
https://dev.mysql.com/doc/refman/8.0/en/timestamp-lookups.html
In the preceding discussion, the data set stored in tstable happens to consist of distinct UTC values. Temporal values are stored in TIMESTAMP columns as UTC values, and values inserted into and retrieved from TIMESTAMP columns are converted ...