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https://dev.mysql.com/doc/refman/8.0/en/replication-features-transactions.html
In general, you should avoid transactions that update both transactional and nontransactional tables in a replication environment. Otherwise, they are discarded.) For statement-based logging, logging of nontransactional statements is affected by the ...You should also avoid using any statement that accesses both transactional (or temporary) and nontransactional tables and writes to any of ...
https://dev.mysql.com/doc/refman/8.0/en/json-utility-functions.html
JSON_STORAGE_SIZE() and JSON_STORAGE_FREE() show, respectively, the amount of storage space used by a given JSON value and the amount of space remaining in a JSON column following a partial update. It returns a positive, nonzero value if the ...
https://dev.mysql.com/doc/refman/8.0/en/mysqlcheck.html
This permits passwords to be specified in a safer way than on the command line even when --no-defaults is used. --ssl-fips-mode={OFF|ON|STRICT} Command-Line Format --ssl-fips-mode={OFF|ON|STRICT} Deprecated 8.0.34 Type Enumeration Default Value OFF ... The mysqlcheck client performs table maintenance: It checks, repairs, optimizes, or analyzes ...
https://dev.mysql.com/doc/refman/8.0/en/json.html
Partial Updates of JSON Values In MySQL 8.0, the optimizer can perform a partial, in-place update of a JSON column instead of removing the old document and writing the new document in its entirety to the column. This optimization can be performed ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-installer-catalog-dashboard.html
The warning serves to remind you that running MySQL Installer in offline mode prevents you from downloading the latest MySQL products and product catalog updates. Proxy: MySQL Installer provides multiple proxy modes that enable you to download MySQL ...By default, and when an Internet connection is present, MySQL Installer attempts to update the catalog at startup every seven ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-deadlock-example.html
If client A attempts to update a row in Birds at the same time, this will lead to a deadlock: mysql> UPDATE Birds SET value=40 WHERE name='Buzzard'; ERROR 1213 (40001): Deadlock found when trying to get lock; try restarting transaction InnoDB rolls ... The following example illustrates how an error can occur when a lock request causes a ...
https://dev.mysql.com/doc/refman/8.0/en/encryption-functions.html
The block_encryption_mode system variable controls the mode for block-based encryption algorithms. Its default value is aes-128-ecb, which signifies encryption using a key length of 128 bits and ECB mode. The optional init_vector argument is used to ...If you want to store these results, use a column with a VARBINARY or BLOB binary string data ...
https://dev.mysql.com/doc/refman/8.0/en/repair-table.html
This type of repair is like that done by myisamchk --safe-recover. Caution Use the USE_FRM option only if you cannot use regular REPAIR modes. For a MyISAM table, if you do not get OK, you should try repairing it with myisamchk --safe-recover. With ...[QUICK] [EXTENDED] [USE_FRM] REPAIR TABLE repairs a possibly corrupted table, for certain storage engines ...
https://dev.mysql.com/doc/refman/8.0/en/replication-mode-change-online-verify-transactions.html
This is helpful when changing the replication mode online as you can verify that it is safe to change to GTID transactions. Or wait for a day, or whatever time period you consider safe for your deployment. A safer method in the sense that it does ...
https://dev.mysql.com/doc/refman/8.0/en/audit-log-filter-definitions.html
SELECT (for table referenced in REPLACE clause LOAD DATA LOAD XML update event: UPDATE UPDATE ... WHERE (for tables referenced in UPDATE clause) Blocking Execution of Specific Events event items can include an abort item that indicates whether to ...