Changelog

Publication updates

A dated record of additions and changes to this publication. These entries describe editorial work, not live infrastructure events.

  1. Established the Orabl notebook

    Defined a standalone editorial scope covering SQL, modeling and data integrity.

  2. Declared the first modeling rules

    Added the distinction between row grain, entity identity and record version.

  3. Added the join cardinality study

    Outlined small checks for row multiplication and reference coverage.

  4. Wrote the data contract guide

    Documented null, key, reference and failure policies for a pipeline stage.

  5. Recorded the batch replay method

    Separated transport identity, batch identity and business conflict decisions.

  6. Added the reconciliation procedure

    Defined a comparable population, comparison grain and signed delta report.

  7. Documented time and precision choices

    Added reporting windows, timestamp semantics and decimal rounding examples.

  8. Indexed the four local studies

    Linked the original articles to GrainMap, Checkset, ReplayLane and LedgerDiff.