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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.
If the first parameter is missing, which is the case when a country data template is viewed directly, the template code fragment {{{1<noinclude>|country showdata</noinclude>}}} ensures that this template will be used as the default first parameter. This technique ensures that country data templates are "self-documenting" if they use the ...
<noinclude>[[Category:Country data templates]]</noinclude> to the end of the template code, making sure it starts on the same line as the code's last character. This category and its subcategories contain all country data templates used for calls to flag templates such as {{ flag }} and {{ flagicon }} .
<noinclude>[[Category:All country data templates]]</noinclude> to the end of the template code, making sure it starts on the same line as the code's last character. This category is automatically added to all pages transcluding {{ Country showdata }} ; it's not necessary to add pages to it manually.
Template:Country data Example is an internal data container not intended to be transcluded directly. It is used indirectly by templates such as flag , flag icon , and others. This template is within the scope of WikiProject Flag Template , a collaborative effort to maintain flag templates on Wikipedia.
This category is limited to the country data templates for the countries in Wikipedia's list of sovereign states.For dependent territories such as the insular areas of the United States and subnational "countries" such as the constituent countries of the United Kingdom, see the categories for the respective sovereign states in Category:Subnational country data templates.
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SELECT is the most common operation in SQL, called "the query". SELECT retrieves data from one or more tables, or expressions. Standard SELECT statements have no persistent effects on the database. Some non-standard implementations of SELECT can have persistent effects, such as the SELECT INTO syntax provided in some databases. [4]