The Web Server Environment - Database Processing: Fundamentals, Design, and Implementation - page 528

11.83 What are PHP Data Objects (PDO)?
11.84 What is the significance of PDOs?
11.85 Show two snippets of PHP Code that compare creating a connection to a database in
standard PHP and in PDO. Discuss the similarities and differences in the code.
11.86 Why do database processing and document processing need each other?
11.87 How are HTML, SGML, and XML related?
11.88 Explain the phrase “standardized but customizable.”
11.89 What is SOAP? What did it stand for originally? What does it stand for today?
11.90 What are the problems in interpreting a tag such as <H2> in HTML?
11.91 What is a DTD, and what purpose does it serve?
11.92 What is the difference between a well-formed XML document and a type-valid XML
document?
11.93 Why is it too limiting to say that XML is just the next version of HTML?
11.94 How are XML, XSL, and XSLT related?
11.95 Explain the use of the pattern {item, action} in the processing of an XSL document.
11.96 What is the purpose of XML Schema?
11.97 How does XML Schema differ from DTD?
11.98 What is a schema-valid document?
11.99 Explain the chicken-and-egg problem concerning the validation of XML Schema
documents.
11.100 Explain the difference between simple and complex elements.
11.101 Explain the difference between elements and attributes.
11.102 What is a good basic rule for using elements and attributes to represent database data?
11.103 Give an example, other than one in this text, of a flat XML Schema.
11.104 Give an example, other than one in this text, of a structured XML Schema.
11.105 What is the purpose of global elements?
11.106 What requirement is necessary for processing XML documents with Oracle?
11.107 Explain the difference between FOR XML RAW and FOR XML AUTO, ELEMENTS.
11.108 When would you use FOR XML EXPLICIT?
11.109 What is the importance of the order of tables in a SQL statement that uses FOR XML?
11.110 Explain, in your own words, why SQL with FOR XML cannot be used to construct an
XML document having two multivalued paths.
11.111 Why is the limitation in Review Question 11.110 important?
11.112 Explain, in your own words, why XML is important to database processing.
11.113 Why is XML Schema important for interorganizational document sharing?
11.114 What is XPath?
11.115 How does DOM differ from SAX?
11.116 What is XQuery? What is it used for?
11.117 What is XML Namespaces? What is its purpose?