https://dev.mysql.com/data-type-defaults.html
See Section 11.3.4, “Automatic Initialization and Updating for TIMESTAMP and DATETIME”. The exception is that, for TIMESTAMP and DATETIME columns, you can specify CURRENT_TIMESTAMP as the default. See Section 11.3.4, “Automatic Initialization ... Data type specifications can have explicit or implicit default ...
https://dev.mysql.com/bit-functions.html
Convert the text UUID to the corresponding 16-byte binary value so that it can be manipulated using bit operations in binary-string context: mysql> SET @uuid = UUID_TO_BIN('6ccd780c-baba-1026-9564-5b8c656024db'); mysql> SELECT HEX(@uuid); ...(The ...
https://dev.mysql.com/partitioning-range.html
(See Bug #42849.) Note It is also possible in MySQL 8.0 to use UNIX_TIMESTAMP(timestamp_column) as a partitioning expression for tables that are partitioned by LIST. A table that is partitioned by range is partitioned in such a way that each ...
https://dev.mysql.com/date-and-time-literals.html
DATE 'str' TIME 'str' TIMESTAMP 'str' MySQL recognizes those constructions and also the corresponding ODBC syntax: { d 'str' } { t 'str' } { ts 'str' } MySQL uses the type keyword and these constructions produce DATE, TIME, and DATETIME values, ...
https://dev.mysql.com/date-and-time-type-conversion.html
For example, although DATE, DATETIME, and TIMESTAMP values all can be specified using the same set of formats, the types do not all have the same range of values. TIMESTAMP values cannot be earlier than 1970 UTC or later than '2038-01-19 03:14:07' ... To some extent, you can convert a value from one temporal type to ...
https://dev.mysql.com/tables-table.html
For example, InnoDB stores multiple tables in its system tablespace and the data file timestamp does not apply. For MyISAM, the data file timestamp is used; however, on Windows the timestamp is not updated by updates, so the value is inaccurate. The ...
https://dev.mysql.com/show-table-status.html
For example, InnoDB stores multiple tables in its system tablespace and the data file timestamp does not apply. For MyISAM, the data file timestamp is used; however, on Windows the timestamp is not updated by updates, so the value is inaccurate.
https://dev.mysql.com/slow-query-log.html
The log_timestamps system variable controls the time zone of timestamps in messages written to the slow query log file (as well as to the general query log file and the error log). Each statement written to the slow query log file is preceded by a ... The slow query log consists of SQL statements that take more than long_query_time seconds to execute and require at least min_examined_row_limit rows to be ...
https://dev.mysql.com/fractional-seconds.html
MySQL 8.0 has fractional seconds support for TIME, DATETIME, and TIMESTAMP values, with up to microseconds (6 digits) precision: To define a column that includes a fractional seconds part, use the syntax type_name(fsp), where type_name is TIME, ...
https://dev.mysql.com/audit-log-reference.html
The following items are significant in the arg value (other items are ignored): timestamp, id: The location within the audit log of the first event to read. Example: mysql> SELECT audit_log_read(audit_log_read_bookmark()); ...Unless those components ...
