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https://dev.mysql.com/doc/refman/5.7/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/5.7/en/sql-prepared-statements.html
Typically, database applications process large volumes of almost-identical statements, with only changes to literal or variable values in clauses such as WHERE for queries and deletes, SET for updates, and VALUES for inserts. Using prepared ...
https://dev.mysql.com/doc/refman/5.7/en/subquery-restrictions.html
For example, if f() inserts rows, the following query can modify data: SELECT ... In general, you cannot modify a table and select from the same table in a subquery. For example, this limitation applies to statements of the following forms: DELETE ...
https://dev.mysql.com/doc/refman/5.7/en/table-locking.html
But because only one session can write to a table at any one time, for best performance with these other storage engines, use them primarily for tables that are queried often and rarely inserted into or updated. To give a specific INSERT, UPDATE, or ... InnoDB tables use row-level locking so that multiple sessions and applications can read from and write to the same table simultaneously, without making each other wait or producing inconsistent ...
https://dev.mysql.com/doc/refman/5.7/en/timestamp-lookups.html
Temporal values are stored in TIMESTAMP columns as UTC values, and values inserted into and retrieved from TIMESTAMP columns are converted between the session time zone and UTC. (This is the same type of conversion performed by the CONVERT_TZ() ...
https://dev.mysql.com/doc/refman/5.7/en/year.html
The result of inserting a numeric 0 has a display value of 0000 and an internal value of 0000. To insert zero and have it be interpreted as 2000, specify it as a string '0' or '00'. In strict SQL mode, attempting to insert an invalid YEAR value ...
https://dev.mysql.com/doc/refman/5.7/en/alter-table-examples.html
For MyISAM tables, you can set the first sequence number by executing SET INSERT_ID=value before ALTER TABLE or by using the AUTO_INCREMENT=value table option. This occurs because the order in which the rows are numbered depends on the specific ...
https://dev.mysql.com/doc/refman/5.7/en/audit-log-logging-configuration.html
The plugin renames the original file as follows: As of MySQL 5.7.21, the renamed file has a timestamp inserted after its base name and before its suffix. By inserting a decimal point, the value can be interpreted using the FROM_UNIXTIME() function: ... This section describes how to configure audit logging characteristics, such as the file to which the audit log plugin writes events, the format of written events, whether to enable log file compression and encryption, and space ...
https://dev.mysql.com/doc/refman/5.7/en/backup-types.html
Logical backups save information represented as logical database structure (CREATE DATABASE, CREATE TABLE statements) and content (INSERT statements or delimited-text files). For SQL output (CREATE and INSERT statements), local or remote dumps can ... This section describes the characteristics of different types of ...
https://dev.mysql.com/doc/refman/5.7/en/binary-log-mysql-database.html
The contents of the grant tables in the mysql database can be modified directly (for example, with INSERT or DELETE) or indirectly (for example, with GRANT or CREATE USER). This pertains to statements such as INSERT, UPDATE, DELETE, REPLACE, DO, ...