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/*
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* xmltables.sql -- Create or replace tables for storing XML in the db
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*
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* Purpose: creates tables needed for XML database
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*
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* Created: 12 September 1999
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* Author: Matt Jones
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* Organization: National Center for Ecological Analysis and Synthesis
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* Version: '$Id: xmltables.sql 10 1999-09-13 22:56:17Z jones $'
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*
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*/
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/*
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* Drop all of the tables in proper order
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*/
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DROP TABLE xml_documents;
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DROP TABLE xml_attributes;
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DROP TABLE xml_elements;
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/*
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* Elements -- table to store XML Elements
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*/
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CREATE TABLE xml_elements (
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nodeid NUMBER(20),
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parentnodeid NUMBER(20),
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nodename VARCHAR2(2000),
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nodedata VARCHAR2(2000),
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date_created DATE,
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date_updated DATE,
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CONSTRAINT xml_elements_pk PRIMARY KEY (nodeid),
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CONSTRAINT xml_elements_parent_fk
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FOREIGN KEY (parentnodeid) REFERENCES xml_elements
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);
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/*
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* Documents -- table to store XML document catalog
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*/
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CREATE TABLE xml_documents (
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docid NUMBER(20),
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rootnodeid NUMBER(20),
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docname VARCHAR2(1000),
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doctype VARCHAR2(1000),
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date_created DATE,
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date_updated DATE,
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CONSTRAINT xml_documents_pk PRIMARY KEY (docid),
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CONSTRAINT xml_documents_root_fk
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FOREIGN KEY (rootnodeid) REFERENCES xml_elements
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);
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/*
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* Attributes -- table to store XML Attributes
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*/
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CREATE TABLE xml_attributes (
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attributeid NUMBER(20),
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nodeid NUMBER(20),
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attributenumber NUMBER(20),
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attributename VARCHAR2(2000),
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attributevalue VARCHAR2(2000),
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date_created DATE,
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date_updated DATE,
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CONSTRAINT xml_attributes_pk PRIMARY KEY (attributeid),
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CONSTRAINT xml_attributes_parent_node FOREIGN KEY (nodeid)
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REFERENCES xml_elements
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);
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