generated: '2026-07-20'
method: derived
source: openapi/greater-bank-cds-banking-products-openapi.yml
note: >-
  Entity-relationship graph derived from the CDS Banking Products schemas that
  back Greater Bank's public PRD API (BankingProductV6 for list items,
  BankingProductDetailV7 = BankingProductV6 + detail sub-objects). Scope is the
  public product surface only.
entities:
  - name: BankingProduct
    schema: BankingProductV6
    id_field: productId
    id_note: >-
      Data-holder-specific unique product identifier (ASCIIString); unique to a
      product but not guaranteed to follow CDR ID-permanence rules.
    key_fields: [productId, effectiveFrom, effectiveTo, lastUpdated, productCategory, name, description, brand, brandName, isTailored, applicationUri, cardArt, additionalInformation]
  - name: BankingProductDetail
    schema: BankingProductDetailV7
    extends: BankingProductV6
    detail_note: Full product detail returned by getBankingProductDetail.
  - name: BankingProductCategory
    schema: BankingProductCategoryV2
    kind: enumeration
    values: [BUSINESS_LOANS, BUY_NOW_PAY_LATER, CRED_AND_CHRG_CARDS, LEASES, MARGIN_LOANS, OVERDRAFTS, PERS_LOANS, REGULATED_TRUST_ACCOUNTS, RESIDENTIAL_MORTGAGES, TERM_DEPOSITS, TRADE_FINANCE, TRANS_AND_SAVINGS_ACCOUNTS, TRAVEL_CARDS]
relationships:
  - from: BankingProduct
    to: BankingProductCategory
    kind: belongs_to
    via: productCategory
  - from: BankingProductDetail
    to: BankingProductBundle
    kind: has_many
    via: bundles
  - from: BankingProductDetail
    to: BankingProductFeatureV4
    kind: has_many
    via: features
  - from: BankingProductDetail
    to: BankingProductConstraintV3
    kind: has_many
    via: constraints
  - from: BankingProductDetail
    to: BankingProductEligibilityV2
    kind: has_many
    via: eligibility
  - from: BankingProductDetail
    to: BankingProductFeeV2
    kind: has_many
    via: fees
  - from: BankingProductDetail
    to: BankingProductDepositRateV2
    kind: has_many
    via: depositRates
  - from: BankingProductDetail
    to: BankingProductLendingRateV3
    kind: has_many
    via: lendingRates
notes:
  - >-
    CDS deliberately provides no hard ID linkage between a product and an
    account originated from it; productCategory is the only common field.