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@ -1104,29 +1104,23 @@
- advantages and disadvantages of distributed databases - advantages and disadvantages of distributed databases
- DONE XML - DONE XML
- LATER XML definition and basic concepts - LATER XML definition and basic concepts
collapsed:: true
- eXtensible Markup Language - eXtensible Markup Language
- A meta-language (i.e. a language for describing other languages) that - A meta-language (i.e. a language for describing other languages) that
enables designers to create their own customised tags to provide enables designers to create their own customised tags to provide
functionality not available with HTML. functionality not available with HTML.
- LATER Relational model versus XML - LATER Relational model versus XML
collapsed:: true
- SQL - SQL
collapsed:: true
- is a special-purpose programming language - is a special-purpose programming language
- You can: manage data in a relational databases. - You can: manage data in a relational databases.
- XML - XML
collapsed:: true
- is a markup specification language - is a markup specification language
- You can: design ways of describing information (text or data), usually for storage, transmission, or processing by a program (you can use it in combination with a programming language). - You can: design ways of describing information (text or data), usually for storage, transmission, or processing by a program (you can use it in combination with a programming language).
- It says nothing about what you should do with the data (although your choice of element names may hint at what they are for). - It says nothing about what you should do with the data (although your choice of element names may hint at what they are for).
- LATER Well-formed XML, Valid XML - LATER Well-formed XML, Valid XML
collapsed:: true
- Adheres to basic structural requirements - Single root element - Adheres to basic structural requirements - Single root element
- Matched tags, proper nesting - Matched tags, proper nesting
- Unique attributes within elements - Unique attributes within elements
- LATER DTD, XSD - LATER DTD, XSD
collapsed:: true
- DTD: Defines the valid syntax of an XML document - DTD: Defines the valid syntax of an XML document
- XSD: a more comprehensive method of defining content model of - XSD: a more comprehensive method of defining content model of
an XML document. an XML document.