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  2. SQL syntax - Wikipedia

    en.wikipedia.org/wiki/SQL_syntax

    Each column in an SQL table declares the type(s) that column may contain. ANSI SQL includes the following data types. [14] Character strings and national character strings. CHARACTER(n) (or CHAR(n)): fixed-width n-character string, padded with spaces as needed; CHARACTER VARYING(n) (or VARCHAR(n)): variable-width string with a maximum size of n ...

  3. Help:Table/Advanced - Wikipedia

    en.wikipedia.org/wiki/Help:Table/Advanced

    Align all table cells left by default defaultcenter: Align all table cells center by default defaultright: Align all table cells right by default colNleft: Align the cells in column N left, where N is a number colNcenter: Align the cells in column N center, where N is a number colNright: Align the cells in column N right, where N is a number

  4. Help:Advanced table formatting - Wikipedia

    en.wikipedia.org/wiki/Help:Advanced_table_formatting

    There are several advanced table formatting techniques to improve the display or editing of wikitables in Wikipedia. Most of the tips involve use of standard text-editors. While some special software packages exist, to allow customized editing, they are typically not available when travelling to other computers for wiki-editin

  5. Window function (SQL) - Wikipedia

    en.wikipedia.org/wiki/Window_function_(SQL)

    In SQL, a window function or analytic function [1] is a function which uses values from one or multiple rows to return a value for each row. (This contrasts with an aggregate function, which returns a single value for multiple rows.) Window functions have an OVER clause; any function without an OVER clause is not a window function, but rather ...

  6. Template:Table alignment - Wikipedia

    en.wikipedia.org/wiki/Template:Table_alignment

    More template styles for tables: {{sticky header}} - Makes column headers stick to the top of the page while scrolling through table data. {} - moves the sorting arrows under the headers. {{row hover highlight}} - adds row hover highlighting, and option for white background. {{static row numbers}} - adds a column of row numbers to a table.

  7. Template:Align - Wikipedia

    en.wikipedia.org/wiki/Template:Align

    Note: If you trying to align a table column (left, center, or right) use Template:Table alignment. This is a generic template for handling the horizontal alignment of elements on a page. Use the template like this:

  8. Join (SQL) - Wikipedia

    en.wikipedia.org/wiki/Join_(SQL)

    This means that if the ON clause matches 0 (zero) rows in B (for a given row in A), the join will still return a row in the result (for that row)—but with NULL in each column from B. A left outer join returns all the values from an inner join plus all values in the left table that do not match to the right table, including rows with NULL ...

  9. Select (SQL) - Wikipedia

    en.wikipedia.org/wiki/Select_(SQL)

    Title Authors ----- ----- SQL Examples and Guide 4 The Joy of SQL 1 An Introduction to SQL 2 Pitfalls of SQL 1 Under the precondition that isbn is the only common column name of the two tables and that a column named title only exists in the Book table, one could re-write the query above in the following form: