Convert (flatten) IATI XML file to CSV file(s) using XQUERY

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Presentation transcript:

Convert (flatten) IATI XML file to CSV file(s) using XQUERY Ibrahim Aboalfadl Omar TAG2018, Kathmandu

Why XQUERY? WIKIBOOKS says: The principal benefits of XQuery are: Expressiveness - XQuery can query many different data structures and its recursive nature makes it ideal for querying tree and graph structures Brevity - XQuery statements are shorter than similar SQL or XSLT programs Flexibility - XQuery can query both hierarchical and tabular data Consistency - XQuery has a consistent syntax and can be used with other XML standards such as XML Schema data types XQuery is frequently compared with two other languages, SQL and XSLT

BaseX: A Tool used to run XQUERY BaseX is a robust, high-performance XML database engine Simple and easy to run XQUERY script Highly compliant XQuery 3.1 processor Open source Lightweight It comes with interactive user interfaces (desktop, web-based) that give you great insight into your data.

IATI XML FILE

The Script

Imported CSV File

Imported CSV File

Imported CSV File, DAC column striped to a new table records

Conclusion Use XQUERY to get the data of a tree item in one concatenated column separated each value with “|” sign and if the value has a descriptor separate them by “>” sign, or use any other sign. Import the generated CSV file in a Database or spreadsheet Strip the concatenated column to be converted into multiple columns or rows

Thank You