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Chapter 2: Data Models And Query Languages

This generated chapter is split into sections because the merged source exceeds the public reference threshold.

Learning objectives​

  • Explain the main ideas and vocabulary in Data Models And Query Languages.
  • Work through the source examples for Data Models And Query Languages without depending on raw chunk order.
  • Use Data Models And Query Languages as selective reference when learner modules point back to Ddia.

Prerequisites​

  • Earlier prerequisite concepts leading into Chapter 2: Data Models And Query Languages.

Module targets​

  • module-01-relational-databases-sql
  • module-02-storage-engines-indexing
  • module-04-transactions-consistency
  • module-05-distributed-systems-fundamentals

AI companion modes​

  • Explain simply
  • Socratic tutor
  • Quiz me
  • Challenge my understanding
  • Diagnose my confusion
  • Generate extra practice
  • Revision mode
  • Connect forward / backward

Source-of-truth note​

This unit is anchored to Ddia and the source chapter "Chapter 2: Data Models And Query Languages". Use external resources only to clarify, extend, or modernize details without replacing the chapter's conceptual spine.

External enrichment​

No chapter-specific enrichment resources are curated yet. Add them in the unit manifest when a source clearly improves learning.

Source provenance​

  • Primary source: Ddia
  • Source chapter 02: Chapter 2: Data Models And Query Languages
  • Raw source file: 014-chapter-2-data-models-and-query-languages.md
  • Raw source file: 015-the-object-relational-mismatch.md
  • Raw source file: 016-many-to-one-and-many-to-many-relationships.md
  • Raw source file: 017-are-document-databases-repeating-history.md
  • Raw source file: 018-relational-versus-document-databases-today.md
  • Raw source file: 019-query-languages-for-data.md
  • Raw source file: 020-declarative-queries-on-the-web.md
  • Raw source file: 021-mapreduce-querying.md
  • Raw source file: 022-graph-like-data-models.md
  • Raw source file: 023-the-cypher-query-language.md
  • Raw source file: 024-triple-stores-and-sparql.md
  • Raw source file: 025-the-foundation-datalog.md

Sections​

  • No section routes are currently published for this chapter.