There are different key words used in the select statement to query the table data in the xml format.
SELECT * FROM products FOR XML AUTO
SELECT * FROM products FOR XML AUTO, TYPE
<products ProductID="1" ProductName="Lenovo" ProductVendor="Lenovo Corporation" />
<products ProductID="2" ProductName="HP Notebook" ProductVendor="Helwelett Packard" />
<products ProductID="3" ProductName="IBM Notebook" ProductVendor="IBM" />
<products ProductID="5" ProductName="DELL" ProductVendor="DELL Corporation India" />
SELECT * FROM products FOR XML AUTO, ELEMENTS
<products>
<ProductID>1</ProductID>
<ProductName>Lenovo</ProductName>
<ProductVendor>Lenovo Corporation</ProductVendor>
</products>
<products>
<ProductID>2</ProductID>
<ProductName>HP Notebook</ProductName>
<ProductVendor>Helwelett Packard</ProductVendor>
</products>
<products>
<ProductID>3</ProductID>
<ProductName>IBM Notebook</ProductName>
<ProductVendor>IBM</ProductVendor>
</products>
<products>
<ProductID>5</ProductID>
<ProductName>DELL</ProductName>
<ProductVendor>DELL Corporation India</ProductVendor>
</products>
SELECT * FROM products FOR XML RAW
<row ProductID="1" ProductName="Lenovo" ProductVendor="Lenovo Corporation" />
<row ProductID="2" ProductName="HP Notebook" ProductVendor="Helwelett Packard" />
<row ProductID="3" ProductName="IBM Notebook" ProductVendor="IBM" />
<row ProductID="5" ProductName="DELL" ProductVendor="DELL Corporation India" />
SELECT * FROM products FOR XML PATH('Product'), ROOT('Products')
<Products>
<Product>
<ProductID>1</ProductID>
<ProductName>Lenovo</ProductName>
<ProductVendor>Lenovo Corporation</ProductVendor>
</Product>
<Product>
<ProductID>2</ProductID>
<ProductName>HP Notebook</ProductName>
<ProductVendor>Helwelett Packard</ProductVendor>
</Product>
<Product>
<ProductID>3</ProductID>
<ProductName>IBM Notebook</ProductName>
<ProductVendor>IBM</ProductVendor>
</Product>
<Product>
<ProductID>5</ProductID>
<ProductName>DELL</ProductName>
<ProductVendor>DELL Corporation India</ProductVendor>
</Product>
</Products>