https://dev.mysql.com/timestamp-initialization.html
TIMESTAMP and DATETIME columns can be automatically initializated and updated to the current date and time (that is, the current timestamp). For any TIMESTAMP or DATETIME column in a table, you can assign the current timestamp as the default value, ...An auto-updated column remains unchanged if all other columns are set to their current ...
https://dev.mysql.com/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 phenomenon can lead to different results for a given TIMESTAMP ...
https://dev.mysql.com/datetime.html
MySQL recognizes DATE, DATETIME, and TIMESTAMP values in several formats, described in Section 9.1.3, “Date and Time Literals”. The TIMESTAMP data type is used for values that contain both date and time parts. TIMESTAMP has a range of ...This ...
https://dev.mysql.com/audit-log-file-formats.html
<AUDIT_RECORD> <TIMESTAMP>2017-10-16T14:09:38 UTC</TIMESTAMP> <RECORD_ID>6_2017-10-16T14:06:33</RECORD_ID> <NAME>Query</NAME> <CONNECTION_ID>5</CONNECTION_ID> <STATUS>0</STATUS> <STATUS_CODE>0</STATUS_CODE> <USER>root[root] @ localhost ... The MySQL ...
https://dev.mysql.com/server-system-variables.html
avoid_temporal_upgrade Property Value Command-Line Format --avoid-temporal-upgrade[={OFF|ON}] Deprecated Yes System Variable avoid_temporal_upgrade Scope Global Dynamic Yes SET_VAR Hint Applies No Type Boolean Default Value OFF This variable ... The ...
https://dev.mysql.com/audit-log-logging-configuration.html
pwd_id format is pwd_timestamp-seq, where: pwd_timestamp is a UTC value in YYYYMMDDThhmmss format indicating when the password was created. Sequence numbers start at 1 and increase for passwords that have the same pwd_timestamp value. For the ...
https://dev.mysql.com/date-and-time-functions.html
(For our purposes, a single query also includes a call to a stored program (stored routine, trigger, or event) and all subprograms called by that program.) This principle also applies to CURDATE(), CURTIME(), UTC_DATE(), UTC_TIME(), UTC_TIMESTAMP(), ... This section describes the functions that can be used to manipulate temporal ...
https://dev.mysql.com/date-and-time-type-overview.html
MySQL permits fractional seconds 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, DATETIME, or ...For additional information about properties and storage requirements of the temporal types, see Section 11.3, “Date and Time Types”, and Section 11.8, “Data Type Storage ...
https://dev.mysql.com/mysql-cluster-replication-conflict-resolution.html
Some types of conflict resolution supported by NDB Cluster (NDB$OLD(), NDB$MAX(), NDB$MAX_DELETE_WIN()) implement this user-defined column as a “timestamp” column (although its type cannot be TIMESTAMP, as explained later in this section). On ...
https://dev.mysql.com/replication-applier-status-by-worker-table.html
When the Performance Schema is disabled, local timing information is not collected, so the fields showing the start and end timestamps for applied transactions are zero. The start timestamps in this table refer to when the worker started applying ...
