<DataSource isSampleDS="true"
    ID="worldDS"
    serverType="sql"
    tableName="worldDS"
    testFileName="/ds/test_data/world.data.xml"
    description="Data about countries (nations and major territories) in the world. This is a static data set of approximately 200 records, where each record represents sovereign states and select territories that are often seen as independent nations. Data about countries is from around year 1995."
>
    <fields>
        <field name="pk"            type="sequence"   hidden="true"            primaryKey="true" />
        <field name="countryCode"   type="text"       title="Code"             required="true"
            description="A two-letter code for the nation. These are custom codes and do not come from a standard."/>
        <field name="countryName"   type="text"       title="Country"          required="true"
            description="The English name of the nation."/>
        <field name="capital"       type="text"       title="Capital"
            description="The English name of the city serving as the administrative capital. A NULL/missing value means that the nation has no official capital."/>
        <field name="government"    type="text"       title="Government"       length="500"
            description="A very short (usually just a few words) description of the form of government."/>
        <field name="continent"     type="text"       title="Continent"        >
            <valueMap>
                <value>Europe</value>
                <value>Asia</value>
                <value>North America</value>
                <value>Australia/Oceania</value>
                <value>South America</value>
                <value>Africa</value>
            </valueMap>
        </field>
        <field name="independence"  type="date"       title="Nationhood"
            description="The date when the nation became independent, or a recognized date of formation. A NULL/missing value means that the nation is not sovereign."/>
        <field name="area"          type="float"      title="Area (km&sup2;)" format=",0"
            description="Total area of the nation. Units: square-kilometers"/>
        <field name="population"    type="integer"    title="Population"          format=",0" />
        <field name="gdp"           type="float"      title="GDP ($M)"            format=",0"
            description="The Gross Domestic Product (GDP) of the nation. Units: million U.S. dollars"/>
        <field name="member_g8"     type="boolean"    title="G8"
            description="true if the nation was a member of the Group of Eight (G8)"/>
    </fields>

<operationBinding operationType="fetch" operationId="fetchByRequiredCriterion" requiredCriterion="area, population">
        <description><![CDATA[
            Illustrates the <a href="https://www.smartclient.com/smartclient-latest/isomorphic/system/reference/?id=attr..OperationBinding.requiredCriterion" target="_blank">requiredCriterion</a> feature.
        ]]>
        </description>
    </operationBinding>

<sampleData xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
        <country>
            <continent>North America</continent>
            <countryName>United States</countryName>
            <countryCode>US</countryCode>
            <area xsi:type="float">9372610</area>
            <population xsi:type="int">266476278</population>
            <gdp xsi:type="float">7247700</gdp>
            <independence xsi:type="date">1776-07-04</independence>
            <government>federal republic</government>
            <capital>Washington</capital>
            <member_g8 xsi:type="boolean">true</member_g8>
        </country>
        <country>
            <continent>North America</continent>
            <countryName>Greenland</countryName>
            <countryCode>GL</countryCode>
            <area xsi:type="float">2175600</area>
            <population xsi:type="int">58203</population>
            <gdp xsi:type="float">892</gdp>
            <government>part of the Danish realm</government>
            <capital>Nuuk</capital>
            <member_g8 xsi:type="boolean">false</member_g8>
        </country>
        <country>
            <continent>Europe</continent>
            <countryName>Portugal</countryName>
            <countryCode>PO</countryCode>
            <area xsi:type="float">92080</area>
            <population xsi:type="int">9865114</population>
            <gdp xsi:type="float">116200</gdp>
            <independence xsi:type="date">1143-10-05</independence>
            <government>republic</government>
            <capital>Lisbon</capital>
            <member_g8 xsi:type="boolean">false</member_g8>
        </country>
        <country>
            <continent>Asia</continent>
            <countryName>Thailand</countryName>
            <countryCode>TH</countryCode>
            <area xsi:type="float">514000</area>
            <population xsi:type="int">58851357</population>
            <gdp xsi:type="float">416700</gdp>
            <independence xsi:type="date">1238-01-01</independence>
            <government>constitutional monarchy</government>
            <capital>Bangkok</capital>
            <member_g8 xsi:type="boolean">false</member_g8>
        </country>
        <country>
            <continent>Africa</continent>
            <countryName>South Africa</countryName>
            <countryCode>SF</countryCode>
            <area xsi:type="float">1219912</area>
            <population xsi:type="int">41743459</population>
            <gdp xsi:type="float">215000</gdp>
            <independence xsi:type="date">1931-12-11</independence>
            <government>republic</government>
            <capital>Pretoria</capital>
            <member_g8 xsi:type="boolean">false</member_g8>
        </country>
        <country>
            <continent>Australia/Oceania</continent>
            <countryName>Australia</countryName>
            <countryCode>AS</countryCode>
            <area xsi:type="float">7686850</area>
            <population xsi:type="int">18260863</population>
            <gdp xsi:type="float">405400</gdp>
            <independence xsi:type="date">1901-01-01</independence>
            <government>federal parliamentary state</government>
            <capital>Canberra</capital>
            <member_g8 xsi:type="boolean">false</member_g8>
        </country>
    </sampleData>
</DataSource>