Structure of XML Data (Cont.) Mixture of text with sub-elements is legal in XML. Example: <course> This course is being offered for the first time in 2009. <course id>BIO-399 </course id> <title>Computational Biology </title> <dept name>Biology </dept name> <credits>3 </credits> </course> Useful for document markup,but discouraged for data representation Database System Concepts-6th Edition 23.11 @Silberschatz,Korth and SudarshanDatabase System Concepts - 6 23.11 ©Silberschatz, Korth and Sudarshan th Edition Structure of XML Data (Cont.) Mixture of text with sub-elements is legal in XML. Example: <course> This course is being offered for the first time in 2009. <course id> BIO-399 </course id> <title> Computational Biology </title> <dept name> Biology </dept name> <credits> 3 </credits> </course> Useful for document markup, but discouraged for data representation