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graphql-engine/dc-agents/guides/OLTP.md
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Hasura + SQL (OLTP)

What do people like doing with SQL DBs?

  • Normalize their data so that its easy to ensure consistency
  • Read short amounts of related data quickly by specifying filter/sort predicates
  • Write data in transactions to ensure consistency

The Hasura + X story:

  • Tables, views and functions that return relations become models
    • Models
  • A transaction becomes a command that takes an input model, whose body is the invocation of the transaction, and the output relation is the output model