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SQL statements also include the semicolon (";") statement terminator. Though not required on every platform, it is defined as a standard part of the SQL grammar. Insignificant whitespace is generally ignored in SQL statements and queries, making it easier to format SQL code for readability.
Parts 1 and 2 are the basis for part 13 of the SQL standard, SQL Routines and Types Using the Java Programming Language (SQL/JRT). "SQLJ" is commonly used to refer to just SQLJ part 0, usually when it is contrasted with other means of embedding SQL in Java, like JDBC .
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 ...
Extended Date/Time Format (EDTF) The EDTF is given as an example of a profile of ISO 8601. Some of its features are: [9] Uncertain and approximate qualifiers, '?' and '~', as well as their combined used, '%'; they can be applied to the whole date or to individual components. Time intervals with an open (unbounded) end or an unknown end.
iCalendar components and their properties. iCalendar was created in 1998 [3] by the Calendaring and Scheduling Working Group of the Internet Engineering Task Force, chaired by Anik Ganguly of Open Text Corporation, and was authored by Frank Dawson of Lotus Development Corporation and Derik Stenerson of Microsoft Corporation. iCalendar data files are plain text files with the extension.ics or ...
All examples use example date 2021-03-31 / 2021 March 31 / 31 March 2021 / March 31, 2021 – except where a single-digit day is illustrated. Basic components of a calendar date for the most common calendar systems: D – day; M – month; Y – year; Specific formats for the basic components: yy – two-digit year, e.g. 24; yyyy – four-digit ...
Calendar reminders and change events are published to a Java Message Service using Sun Java System Message Queue. Developers may use the WCAP interface to write their own applications which access calendars, tasks, and look up "free busy" information on users. This interface returns calendar data in a number of formats including XML and iCalendar.
For example, the Gregorian date Tuesday, 4 February 2025 corresponds to day number 2 in the week number 06 of 2025, and is written as 2025-W06-2 (in extended form) or 2025W062 (in compact form). The ISO year is slightly offset to the Gregorian year; for example, Monday 30 December 2019 in the Gregorian calendar is the first day of week 1 of ...