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XML and Databases

XML and Databases. Prasenjit Adak Stylianos Paparizos. Description. XML input and output JDBC connection Assuming existing data collection SQL query conversion on the fly Regular select and insert queries Transitive closure. Input. Request tag Connect tag Query tag Insert tag.

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XML and Databases

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  1. XML and Databases Prasenjit Adak Stylianos Paparizos

  2. Description • XML input and output • JDBC connection • Assuming existing data collection • SQL query conversion on the fly • Regular select and insert queries • Transitive closure

  3. Input • Request tag • Connect tag • Query tag • Insert tag

  4. Limitations • No validation • No many-to-many relationships • Relationships between either one or two entities only • Outer table has to be specified first

  5. Extensions • Web interface • Metadata information • Add DTD or XML schema to output • Single-rooted hierarch output • Addition of more SQL cases like update

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