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https://dev.mysql.com/doc/refman/8.0/en/information-schema-triggers-table.html
The value is INSERT (a row was inserted), DELETE (a row was deleted), or UPDATE (a row was modified). SQL_MODE The SQL mode in effect when the trigger was created, and under which the trigger executes. To see information about a table's triggers, ...
https://dev.mysql.com/doc/refman/8.0/en/keyring-aws-plugin.html
The directory should have a restrictive mode and be accessible only to the account used to run the MySQL server. Before updating the file, the plugin verifies that it contains the expected checksum. Note The keyring_aws plugin is an extension ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndb-top.html
These two display modes provide the same information; they can be used concurrently. The display updates once per second; to set a different delay interval, use --sleep-time (-s). The next figure shows ndb_top running in a terminal window on a Linux ... ndb_top displays running information in the terminal about CPU usage by NDB threads on an NDB Cluster data ...
https://dev.mysql.com/doc/refman/8.0/en/problems-with-null.html
When reading data with LOAD DATA, empty or missing columns are updated with ''. Under certain conditions, if you insert NULL into a TIMESTAMP column, the current date and time is inserted; this behavior depends in part on the server SQL mode (see ...
https://dev.mysql.com/doc/refman/8.0/en/replication-asynchronous-connection-failover.html
When you add a group member to the source list and define it as part of a managed group, the asynchronous connection failover mechanism updates the source list to keep it in line with membership changes, adding and removing group members ...
https://dev.mysql.com/doc/refman/8.0/en/replication-encrypted-connections.html
For a replication connection, specifying a value for either of SOURCE_SSL_CA or SOURCE_SSL_CAPATH corresponds to setting --ssl-mode=VERIFY_CA. For a replication connection, specifying MASTER_SSL_VERIFY_SERVER_CERT=1 corresponds to setting ... To use ...
https://dev.mysql.com/doc/refman/8.0/en/show-triggers.html
row *************************** Trigger: ins_sum Event: INSERT Table: account Statement: SET @sum = @sum + NEW.amount Timing: BEFORE Created: 2018-08-08 10:10:12.61 sql_mode: ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES, NO_ZERO_IN_DATE,NO_ZERO_DATE, ...
https://dev.mysql.com/doc/refman/8.0/en/x-plugin-status-variables.html
Mysqlx_aborted_clients The number of clients that were disconnected because of an input or output error. Mysqlx_address The network address or addresses for which X Plugin accepts TCP/IP connections. If multiple addresses were specified using the ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-locking.html
An exclusive (X) lock permits the transaction that holds the lock to update or delete a row. Transaction data for an intention lock appears similar to the following in SHOW ENGINE INNODB STATUS and InnoDB monitor output: TABLE LOCK table `test`.`t` ...Shared and Exclusive Locks Intention Locks Record Locks Gap Locks Next-Key Locks Insert Intention Locks AUTO-INC Locks Predicate Locks for Spatial Indexes Shared and Exclusive Locks InnoDB implements standard row-level locking where there are two types of locks, shared (S) locks and exclusive (X) ...
https://dev.mysql.com/doc/refman/8.0/en/json-modification-functions.html
JSON_ARRAY_INSERT(json_doc, path, val[, path, val] ...) Updates a JSON document, inserting into an array within the document and returning the modified document. In MySQL 8.0.4, the optimizer can perform a partial, in-place update of a JSON column ... The functions in this section modify JSON values and return the ...