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The SQL function EXTRACT can be used for extracting a single field (seconds, for instance) of a datetime or interval value. The current system date / time of the database server can be called by using functions like CURRENT_DATE, CURRENT_TIMESTAMP, LOCALTIME, or LOCALTIMESTAMP.
Help:Time function, about using the #time parser function For the magic words with the same or similar names, see MediaWikiWiki:Help:Magic words § Date and time . Multiple units of time
Due to MediaWiki and browser caching, these variables frequently show when the page was cached rather than the current time. Alternative: To generate a formatted date stamp with the current date and time, use five tildes (~~~~~) to output: 04:54, 20 December 2024 (UTC). In some templates, five tildes is the preferred way to add the date.
Command or function Resolution Epoch or range Android: java.lang.System.currentTimeMillis() 1 ms 1 January 1970 BIOS INT 1Ah, AH=00h [1] 54.9254 ms 18.2065 Hz Midnight of the current day INT 1Ah, AH=02h [2] 1 s Midnight of the current day INT 1Ah, AH=04h [3] 1 day 1 January 1980 to 31 December 1999 or 31 December 2079 (system dependent) CP/M Plus
The term "timestamp" derives from rubber stamps used in offices to stamp the current date, and sometimes time, in ink on paper documents, to record when the document was received. Common examples of this type of timestamp are a postmark on a letter or the "in" and "out" times on a time card .
Reserved words in SQL and related products In SQL:2023 [3] In IBM Db2 13 [4] In Mimer SQL 11.0 [5] In MySQL 8.0 [6] In Oracle Database 23c [7] In PostgreSQL 16 [1] In Microsoft SQL Server 2022 [2]
In this case, if the transaction's timestamp is after the object's read timestamp, the read timestamp is set to the transaction's timestamp. If a transaction wants to write to an object, but the transaction started before the object's read timestamp it means that something has had a look at the object, and we assume it took a copy of the object ...
SQL:2011 or ISO/IEC 9075:2011 (under the general title "Information technology – Database languages – SQL") is the seventh revision of the ISO (1987) and ANSI (1986) standard for the SQL database query language. It was formally adopted in December 2011. [1] The standard consists of 9 parts which are described in detail in SQL.