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The Page Up and Page Down keys among other keys. The Page Up and Page Down keys (sometimes abbreviated as PgUp and PgDn) are two keys commonly found on computer keyboards. The two keys are primarily used to scroll up or down in documents, but the scrolling distance varies between different applications. In word processors, for instance, they ...
Normally, copying and pasting columns or rows removes the inline CSS styling such as cell colors. There is a way to break up a table (a too-wide table for example) into more tables without losing all the background colors, and other inline styling. Copy the table to 2 sandboxes (or one sandbox, and in the article itself).
sortable – adds up & down icons to column headers which enable sorting the table on a given column. See sortable tables. mw-collapsible – See collapsible tables. [note 1] plainrowheaders – applies left-aligned and normal-weight formatting of row headers.
For example, nested tables (tables inside tables) should be separated into distinct tables when possible. Here is a more advanced example, showing some more options available for making up tables. Users can play with these settings in their own table to see what effect they have.
While this article should mostly be completely rewritten, a good part would be a history. It seems that pgup/pgdn existed on 1980s IBM Model F keyboard.Some DEC terminals also had keys that inspired those on modern keyboards although they didn't necessarily have the same functionality layout as was more common later on (i.e see the 1980s VT220).
Numeric keypads usually operate in two modes. When Num Lock is off, keys 8, 6, 2, and 4 act like arrow/navigation keys up, right, down, and left; and 7, 9, 3, and 1 act like Home, PgUp, PgDn, and End, respectively. With Num Lock on, digit keys produce the corresponding digit.
In a database, a table is a collection of related data organized in table format; consisting of columns and rows. In relational databases, and flat file databases, a table is a set of data elements (values) using a model of vertical columns (identifiable by name) and horizontal rows, the cell being the unit where a row and column intersect. [1]
Adding the mw-collapsible class to a table automatically positions the toggle, and selects which parts to collapse. A common use is to make a collapsible layout table, which always displays an introduction or summary, but hides the rest of the content from immediate view.