mua thiết bị và phần mềm cần thiết, sử dụng mô hình để thao tác dữ liệu, và tin tưởng vào Chọn một mô hình máy tính dựa trên Tạo điều kiện thuận lợi cho quá trình Phân tíchnhư một cơ chế cho các từ vựng kinh doanh dựa trên XML. Trong ngắn hạn, ebXML cung cấp | Chapter 3 Table Common XML Schema Primitive Data Types DATA TYPE DESCRIPTION string Unicode characters of some specified length. boolean A bioyiyotatevelueuf true orfalse. ID __ ueider pe from the XML Specification. IDREF A reference to an ID. integer The set of whole numbers o d long long is derived framioteger by fixing thevalues ot maolnclusive to be 922337dtih68h0770a07and mihioclusivetaba - 9223372036854070a08i int int is derived framio ng byOxingrteoflues of maxlnclusive to be 2147483647 and minlnclusive to be -2147483648. - 5i short short is derives tro m intby fixing thevalues rgmyxInalurlveOo be 32767 and minibdusite to bv-t2X68. decimal Represents arbitraiypreoiiiooyeOmaiusmgerswitX ho iobeyer part and a frattiun bvbi float IEEE single precioinn32-féo7lb5tiyg-gt int numbar. double IEEE double-prods n 6xr7u a g-pemttitmltns. date Date as a string defineX ix lso 8sxf. time Time as a string defined in ISO 8601. A complex Ippe ixan element that ertíoer contginiother gl emuntx or has attached attributes. Let s first examine an element with attached attributes and then a more complex ylement that contymschikfetementi. Here in n definition for a book element that has two attributes called title and pages xsd elemnnt name bo k xsd complexTyp e xsa et riWate name title tYPe osd string xsd attribu anamo pa eo rere xsbiint r xsd complexType xsd element An XML instance of thebookelementwouldlooklikethis book title MoreJavaPeteaies pageo 4te Now let s lookatesbwwodefine a product element with both attributes and child element Th paoduib elemnnl wrllhavn threeu tulbutusmdititle and price. It will also have two child elements description and categories. The categories child etemeeOiomandatotyanol repeotaMe whhe thedes cription child element will be rpbionel Understanding XML and Its Impact on the Enterprise 41 xsd element name product xsd complexType xsd sequence xsd element name description type xsd string minOccurs 0 maxOccurs 1 xsđseli
