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In addition to basic equality and inequality conditions, SQL allows for more complex conditional logic through constructs such as CASE, COALESCE, and NULLIF.The CASE expression, for example, enables SQL to perform conditional branching within queries, providing a mechanism to return different values based on evaluated conditions.
For advice on writing style and formatting in a bullet-point format, see Wikipedia:Styletips; For summaries of some Wikipedia protocols and conventions, see Wikipedia:Dos and don'ts; If you don't want to use wikitext markup, try Wikipedia:VisualEditor instead; To ask a question, see Wikipedia:Questions to locate the appropriate venue(s)
The format is to surround the hidden text with "<!--" and "-->" and may cover several lines, e.g.: <!-- An example of hidden comments This won't be visible except in "edit" mode. --> Another way to include a comment in the wiki markup uses the {} template, which can be abbreviated as {}. This template "expands" to the empty string, generating ...
Keyboard shortcuts for text formatting involve holding down two or three keys at a time to alter the appearance of text.
Another alternative is to copy the entire table from the displayed page, paste the text into a spreadsheet, move the columns as you will. Then reconstruct the table lines with a formula. This formula handles a three column table, reconstructing a single line.
An access key allows a computer user to immediately jump to a specific part of a web page via the keyboard. On Wikipedia, access keys allow you to do a lot more—protect a page, show page history, publish your changes, show preview text, and so on.
Here are some Windows key commands and what they do: Windows key (Win): opens the Start menu on your computer. Windows button + Tab: switch your view from one open window to the next.
SQL Assistant SQL Assistant add-on for SQL Plus Windows version extends SQL Plus with SQL automatic word completion, in-line Oracle SQL Reference, data export/import, code unit testing, data browsing, and code development functions. rlwrap rlwrap does GNU Readline like command completion for SQL Plus on UNIX and Linux.