Data Formats & Serialization
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The formats data travels and rests in — JSON, XML, YAML, CSV, Markdown, and HCL on the text side, Protobuf, Avro, BSON, and Parquet on the binary side. Interviewers use this area to check whether you pick a format for a reason: human-editable config, compact RPC payloads, or column-scan analytics.
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- JSONempty
- JSON Schemaempty
- XMLempty
- Syntax and Structureempty
- Namespacesempty
- DTD and XSD Schemasempty
- XPath and XSLTempty
- DOM and SAX Parsingempty
- XML Security and XXEempty
- YAMLempty
- Scalar Typesempty
- Anchors and Aliasesempty
- CSVempty
- RFC 4180 Structureempty
- Quoting and Escapingempty
- Parsing Pitfallsempty
- Markdownempty
- Core Syntaxempty
- Lists and Nestingempty
- Links and Imagesempty
- HCLempty
- Built-in Functionsempty
- JSON Equivalenceempty
- Code Generationempty
- gRPC Payload Typesempty
- BSONempty
- Extended Type Systemempty
- Parquetempty
- Predicate Pushdownempty
- Schema and Metadataempty
- Avroempty
- Schema Definitionempty
- Binary Encodingempty
- Schema Evolutionempty
- Schema Registryempty
- Avro vs Alternativesempty