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National standard format is yyyy-mm-dd. [161] dd.mm.yyyy format is used in some places where it is required by EU regulations, for example for best-before dates on food [162] and on driver's licenses. d/m format is used casually, when the year is obvious from the context, and for date ranges, e.g. 28-31/8 for 28–31 August.
Oppose The YYYY-MM-DD format is perfectly unambiguous-- I do not think YYYY-DD-MM or YYYY-MM has every been used deliberately, and here it represented only in a very few identified errors -- This is a widely used international standard in many fields, and how I expect to see dates in technical subjects and many databases. I do not see how the ...
In communications messages, a date-time group (DTG) is a set of characters, usually in a prescribed format, used to express the year, the month, the day of the month, the hour of the day, the minute of the hour, and the time zone, if different from Coordinated Universal Time (UTC).
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Since portions of the population continued to use the old format, the traditional format was re-introduced as alternative to the standard YYYY-MM-DD format to DIN 5008 in 2001 and DIN ISO 8601 in September 2006 but its usage is restricted to contexts where misinterpretation cannot occur. The expanded form of the date (e.g., 31.
ISO 2014, though superseded, is the standard that originally introduced the all-numeric date notation in most-to-least-significant order [YYYY]-[MM]-[DD]. The ISO week numbering system was introduced in ISO 2015, and the identification of days by ordinal dates was originally defined in ISO 2711.
The Standards Council of Canada also specifies this as the country's date format. [12] [13] The YYYY-MM-DD format is the only officially recommended method of writing a numeric date in Canada. [2] The presence of the DD/MM/YY (most of the world) and MM/DD/YY (American) formats often results in misinterpretation. Using these systems, the date 7 ...
SQL was initially developed at IBM by Donald D. Chamberlin and Raymond F. Boyce after learning about the relational model from Edgar F. Codd [12] in the early 1970s. [13] This version, initially called SEQUEL (Structured English Query Language), was designed to manipulate and retrieve data stored in IBM's original quasirelational database management system, System R, which a group at IBM San ...