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  2. List of SQL reserved words - Wikipedia

    en.wikipedia.org/wiki/List_of_SQL_reserved_words

    This list includes SQL reserved words – aka SQL reserved keywords, [1] [2] as the SQL:2023 specifies and some RDBMSs have added.. The table lists reserved keywords (but also in some cases non-reserved keywords, without specifying if so specifically; some keywords have been reserved, like FIRST, LAST and ZONE in SQL-92, then later unreserved, some like NULLIF and CHAR_LENGTH were reserved in ...

  3. grep - Wikipedia

    en.wikipedia.org/wiki/Grep

    grep is a command-line utility for searching plaintext datasets for lines that match a regular expression.Its name comes from the ed command g/re/p (global regular expression search and print), which has the same effect.

  4. wc (Unix) - Wikipedia

    en.wikipedia.org/wiki/Wc_(Unix)

    The first column is the count of newlines, meaning that the text file foo has 40 newlines while bar has 2294 newlines- resulting in a total of 2334 newlines. The second column indicates the number of words in each text file showing that there are 149 words in foo and 16638 words in bar – giving a total of 16787 words.

  5. MySQL - Wikipedia

    en.wikipedia.org/wiki/MySQL

    MySQL (/ ˌ m aɪ ˌ ɛ s ˌ k juː ˈ ɛ l /) [6] is an open-source relational database management system (RDBMS). [6] [7] Its name is a combination of "My", the name of co-founder Michael Widenius's daughter My, [1] and "SQL", the acronym for Structured Query Language.

  6. Pattern matching - Wikipedia

    en.wikipedia.org/wiki/Pattern_matching

    Here, the first n is a single variable pattern, which will match absolutely any argument and bind it to name n to be used in the rest of the definition. In Haskell (unlike at least Hope ), patterns are tried in order so the first definition still applies in the very specific case of the input being 0, while for any other argument the function ...

  7. Two-legged tie - Wikipedia

    en.wikipedia.org/wiki/Two-legged_tie

    In sports (particularly association football), a two-legged tie is a contest between two teams which comprises two matches or "legs", with each team as the home team in one leg. The winning team is usually determined by aggregate score , the sum of the scores of the two legs, for example, if the scores of the two legs are:

  8. Tally marks - Wikipedia

    en.wikipedia.org/wiki/Tally_marks

    However, the box tally and dot-and-dash tally characters were not accepted for encoding, and only the five ideographic tally marks (正 scheme) and two Western tally digits were added to the Unicode Standard in the Counting Rod Numerals block in Unicode version 11.0 (June 2018). Only the tally marks for the numbers 1 and 5 are encoded, and ...

  9. Source lines of code - Wikipedia

    en.wikipedia.org/wiki/Source_lines_of_code

    There are two major types of SLOC measures: physical SLOC (LOC) and logical SLOC (LLOC). Specific definitions of these two measures vary, but the most common definition of physical SLOC is a count of lines in the text of the program's source code excluding comment lines. [1]