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  2. Help:Displaying a formula - Wikipedia

    en.wikipedia.org/wiki/Help:Displaying_a_formula

    When an inline formula is long enough, it can be helpful to allow it to break across lines. Whether using LaTeX or templates, split the formula at each acceptable breakpoint into separate <math> tags or {} templates with any binary relations or operators and intermediate whitespace included at the trailing rather than leading end of a part.

  3. SQL syntax - Wikipedia

    en.wikipedia.org/wiki/SQL_syntax

    Greater than Hire_Date > '2012-01-31' < Less than Bonus < 50000. 00 >= Greater than or equal Dependents >= 2 <= Less than or equal Rate <= 0. 05 [NOT] BETWEEN [SYMMETRIC] Between an inclusive range. SYMMETRIC inverts the range bounds if the first is higher than the second. Cost BETWEEN 100. 00 AND 500. 00 [NOT] LIKE [ESCAPE] Begins with a ...

  4. Mathematical markup language - Wikipedia

    en.wikipedia.org/wiki/Mathematical_markup_language

    A mathematical markup language is a computer notation for representing mathematical formulae, based on mathematical notation.Specialized markup languages are necessary because computers normally deal with linear text and more limited character sets (although increasing support for Unicode is obsoleting very simple uses).

  5. Multiset - Wikipedia

    en.wikipedia.org/wiki/Multiset

    That means the result of an SQL query is a multiset; if the result were instead a set, the repetitive records in the result set would have been eliminated. Another application of multisets is in modeling multigraphs. In multigraphs there can be multiple edges between any two given vertices. As such, the entity that specifies the edges is a ...

  6. Wikipedia:Rendering math - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Rendering_math

    The default sans-serif may render certain characters indistinguishable, such as 1, I and l. In articles mixing raw wiki with <math> formulae, the appearance of the same variable in the two types of formula does not match (serif vs sans-serif). {} ('texhtml' class) Distinguishes a formula from the running text.

  7. Existential quantification - Wikipedia

    en.wikipedia.org/wiki/Existential_quantification

    For example, if P(x) is the predicate "x is greater than 0 and less than 1", then, for a domain of discourse X of all natural numbers, the existential quantification "There exists a natural number x which is greater than 0 and less than 1" can be symbolically stated as: ()

  8. Sargable - Wikipedia

    en.wikipedia.org/wiki/Sargable

    Conceptually, an index is simply a mapping between a value and one or more locations. With a functional index, the value stored in the index is the output of the function specified when the index is created. This capability expands what is sargable beyond base column expressions. Sargable operators: =, >, <, >=, <=, BETWEEN, LIKE, IS [NOT] NULL, IN

  9. Range query (database) - Wikipedia

    en.wikipedia.org/wiki/Range_query_(database)

    A range query is a common database operation that retrieves all records where some value is between an upper and lower boundary. [1] For example, list all employees with 3 to 5 years' experience. Range queries are unusual because it is not generally known in advance how many entries a range query will return, or if it will return any at all.