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A query language, also known as data query language or database query language (DQL), is a computer language used to make queries in databases and information systems. In database systems, query languages rely on strict theory to retrieve information. [1] A well known example is the Structured Query Language (SQL).
The purpose of DQL commands is to get the schema relation based on the query passed to it. Although often considered part of DML, the SQL SELECT statement is strictly speaking an example of DQL. When adding FROM or WHERE data manipulators to the SELECT statement the statement is then considered part of the DML.
The color template can be used to add a span of text with any given text color Template parameters [Edit template data] Parameter Description Type Status Color 1 CSS name of color or hex code of color, e.g. 'red' or '#00F000'. String required Text 2 The string of text to be formatted in the desired color String suggested The above documentation is transcluded from Template:Color/doc. (edit ...
A query string is a part of a uniform resource locator that assigns values to specified parameters.A query string commonly includes fields added to a base URL by a Web browser or other client application, for example as part of an HTML document, choosing the appearance of a page, or jumping to positions in multimedia content.
{{Font color }} is how you insert colorized text, such as red, orange, green, blue and indigo, and many others. You can specify its background color at the same time. {{Font color }} is also how you can color wikilinks to something other than blue for when you need to work within background colors.
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A media query consists of a media type and one or more expressions, involving media features, which resolve to either true or false.The result of the query is true if the media type specified in the media query matches the type of device the document is being displayed on and all expressions in the media query are true.