forked from diegoecab/oci-deal-accelerator
350 lines
14 KiB
YAML
350 lines
14 KiB
YAML
# =============================================================================
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# ADB FEATURE COMPATIBILITY MATRIX
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# =============================================================================
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#
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# INTERNAL — DO NOT SHARE EXTERNALLY
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#
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# This matrix tracks feature availability across ADB versions and deployment
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# types. It is maintained by the field team based on real testing and customer
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# engagements, NOT copied from Oracle documentation.
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#
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# Status values:
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# GA — Generally Available, tested, works as expected
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# GA_CAVEAT — Available but with significant caveats (see notes)
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# PREVIEW — Available as preview/beta, not production-ready
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# LIMITED — Available with restrictions not obvious from docs
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# NOT_AVAIL — Not available in this combination
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# BROKEN — Documented as available but does not work (see field_finding ref)
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# UNTESTED — Not yet verified by the team
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#
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# Cell format (enhanced with attribution):
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# status: Required — one of the status values above
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# notes: Optional — concise description of caveats
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# contributor: Optional — attribution block (name, team, date, confidence)
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# field_finding_ref: Optional — link to field finding ID (e.g., FF-202603-008)
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#
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# To edit: add/modify entries and update last_verified. Keep notes concise.
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# =============================================================================
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---
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last_verified: "2026-03-14"
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maintained_by: "Field Architecture Team"
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versions:
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- id: "23ai"
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full_name: "Oracle Database 23ai"
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release_year: 2024
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notes: "First AI-branded release. Major feature additions."
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- id: "26ai"
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full_name: "Oracle Database 26ai"
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release_year: 2026
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notes: "Latest. Check feature availability — not everything from 23ai carried forward identically."
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deployment_types:
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- id: "adb_s"
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name: "ADB-S Serverless"
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- id: "adb_s_ep"
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name: "ADB-S Elastic Pool"
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- id: "adb_d_dep"
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name: "ADB Dedicated Elastic Pool (DEP)"
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- id: "adb_d"
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name: "ADB on Dedicated Exadata"
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- id: "exacs"
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name: "Exadata Cloud Service"
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- id: "dbcs_ee"
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name: "Base DB Service (EE)"
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# =============================================================================
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# FEATURE MATRIX
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# =============================================================================
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features:
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# --- Auto Management ---
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- name: "Auto Scaling (OCPU)"
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category: "auto_management"
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matrix:
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adb_s:
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"23ai": { status: "GA_CAVEAT", notes: "Activation takes 2-3 min. Size base for P75. Billing per-second when active." }
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"26ai": { status: "GA_CAVEAT", notes: "Same 2-3 min activation delay persists in 26ai." }
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adb_s_ep:
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"23ai": { status: "GA_CAVEAT", notes: "Scales within pool allocation. Pool itself doesn't auto-scale." }
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"26ai": { status: "GA_CAVEAT", notes: "Same as 23ai." }
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adb_d_dep:
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"23ai": { status: "LIMITED", notes: "Scales within DEP allocation. DEP itself is fixed capacity." }
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"26ai": { status: "UNTESTED" }
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adb_d:
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"23ai": { status: "NOT_AVAIL", notes: "Dedicated infra — manual scaling only." }
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exacs:
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"23ai": { status: "NOT_AVAIL", notes: "Manual OCPU enable/disable." }
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- name: "Auto Indexing"
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category: "auto_management"
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matrix:
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adb_s:
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"23ai": { status: "GA_CAVEAT", notes: "Creates indexes HIDDEN by default. Instantly reversible. DML costing prevents over-indexing. Deduplication with manually created indexes." }
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"26ai": { status: "GA", notes: "Improved in 26ai — better cost model, fewer false positives." }
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adb_s_ep:
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"23ai": { status: "GA_CAVEAT", notes: "Same as ADB-S Serverless." }
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adb_d_dep:
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"23ai": { status: "GA_CAVEAT", notes: "Available but less tested in DEP." }
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adb_d:
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"23ai": { status: "GA", notes: "Fully supported." }
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exacs:
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"23ai": { status: "NOT_AVAIL", notes: "Not an ADB feature. Use manual indexing." }
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dbcs_ee:
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"23ai": { status: "NOT_AVAIL" }
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- name: "Auto Patching"
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category: "auto_management"
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matrix:
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adb_s:
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"23ai": { status: "GA", notes: "Automatic quarterly. No opt-out. Maintenance window configurable but change requires SR." }
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"26ai": { status: "GA", notes: "Same policy." }
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adb_d_dep:
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"23ai": { status: "GA_CAVEAT", notes: "Maintenance window immutable post-DEP creation. Change via SR only. Saturday/Sunday default, other days via SR." }
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exacs:
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"23ai": { status: "GA_CAVEAT", notes: "Customer-managed patching schedule. Must apply within 90 days." }
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# --- High Availability ---
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- name: "Transparent Application Continuity (TAC)"
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category: "ha_dr"
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matrix:
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adb_s:
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"23ai": { status: "GA_CAVEAT", notes: "Zero perceived RTO for app. DB itself ~2 min unavailable during failover. Replay NOT guaranteed with UTL_HTTP, DBMS_PIPE, NOCACHE sequences. Requires JDBC thin driver with TAC config." }
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"26ai": { status: "GA_CAVEAT", notes: "Same limitations persist." }
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adb_s_ep:
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"23ai": { status: "GA_CAVEAT", notes: "Same as Serverless." }
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adb_d:
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"23ai": { status: "GA_CAVEAT", notes: "Same limitations." }
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exacs:
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"23ai": { status: "GA_CAVEAT", notes: "Available with RAC. Same replay limitations." }
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dbcs_ee:
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"23ai": { status: "NOT_AVAIL", notes: "Requires RAC — only in EE-HP or EE-EP." }
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- name: "Autonomous Data Guard (Local)"
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category: "ha_dr"
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matrix:
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adb_s:
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"23ai": { status: "GA", notes: "Synchronous. Same region. Auto-failover ~2 min." }
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"26ai": { status: "GA" }
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adb_d:
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"23ai": { status: "GA" }
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exacs:
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"23ai": { status: "GA", notes: "Standard Data Guard, not 'Autonomous' — manual setup." }
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- name: "Autonomous Data Guard (Cross-Region)"
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category: "ha_dr"
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matrix:
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adb_s:
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"23ai": { status: "GA_CAVEAT", notes: "Asynchronous only. RPO ≈ seconds. Manual switchover or auto-failover (configurable)." }
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"26ai": { status: "GA_CAVEAT", notes: "Same." }
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adb_d_dep:
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"23ai": { status: "GA_CAVEAT", notes: "ADG must be disabled before joining DEP. Known issue." }
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exacs:
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"23ai": { status: "GA", notes: "Standard cross-region DG. Manual setup." }
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- name: "Refreshable Clone"
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category: "ha_dr"
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matrix:
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adb_s:
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"23ai": { status: "GA_CAVEAT", notes: "Read-only. Auto-refresh frequency configurable. Failed refresh leaves clone AVAILABLE (not DISCONNECTED) — leader monitors lifecycle state, not refresh success. Detection delay = ADG RTO for unplanned." }
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"26ai": { status: "GA_CAVEAT", notes: "Same detection delay issue." }
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adb_d:
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"23ai": { status: "GA" }
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# --- Security ---
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- name: "Virtual Private Database (VPD)"
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category: "security"
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matrix:
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adb_s:
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"23ai": { status: "GA", notes: "Full VPD support including OLS." }
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"26ai": { status: "GA" }
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exacs:
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"23ai": { status: "GA" }
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dbcs_ee:
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"23ai": { status: "GA", notes: "Requires Advanced Security option license." }
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- name: "Private Endpoints"
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category: "security"
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matrix:
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adb_s:
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"23ai": { status: "GA", notes: "Recommended for production. Required for some compliance." }
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"26ai": { status: "GA" }
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adb_d:
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"23ai": { status: "GA", notes: "Default — all ADB-D is private." }
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exacs:
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"23ai": { status: "GA", notes: "Always private subnet." }
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- name: "Data Safe Integration"
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category: "security"
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matrix:
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adb_s:
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"23ai": { status: "GA", notes: "Audit, masking, assessment, SQL Firewall." }
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"26ai": { status: "GA", notes: "Enhanced SQL Firewall in 26ai." }
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exacs:
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"23ai": { status: "GA" }
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dbcs_ee:
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"23ai": { status: "GA_CAVEAT", notes: "Must register DB manually in Data Safe." }
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# --- Developer Features ---
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- name: "Select AI"
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category: "developer"
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matrix:
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adb_s:
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"23ai": { status: "GA", notes: "Natural language → SQL via LLM. Requires AI profile configuration." }
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"26ai": { status: "GA", notes: "Improved accuracy in 26ai." }
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adb_d:
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"23ai": { status: "GA" }
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exacs:
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"23ai": { status: "NOT_AVAIL", notes: "ADB-only feature." }
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- name: "Property Graph / SQL/PGQ"
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category: "developer"
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matrix:
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adb_s:
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"23ai": { status: "GA_CAVEAT", notes: "Node tables + edge tables. Only FK indexes essential. Additional indexes require filter evidence. See Graph DBA Advisor philosophy." }
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"26ai": { status: "GA", notes: "Improved PGQ optimizer in 26ai." }
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exacs:
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"23ai": { status: "GA", notes: "Full graph support with PGQL and SQL/PGQ." }
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- name: "APEX"
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category: "developer"
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matrix:
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adb_s:
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"23ai": { status: "GA", notes: "Built-in. No additional cost." }
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"26ai": { status: "GA" }
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adb_d:
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"23ai": { status: "GA" }
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exacs:
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"23ai": { status: "GA_CAVEAT", notes: "Must install APEX manually." }
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dbcs_ee:
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"23ai": { status: "GA_CAVEAT", notes: "Must install and manage manually." }
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- name: "JSON Relational Duality Views"
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category: "developer"
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matrix:
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adb_s:
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"23ai": { status: "GA", notes: "Major 23ai feature." }
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"26ai": { status: "GA" }
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exacs:
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"23ai": { status: "GA" }
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dbcs_ee:
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"23ai": { status: "GA", notes: "Requires 23ai version." }
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# --- AI / Vector Search ---
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- name: "AI Vector Search (HNSW)"
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category: "developer"
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matrix:
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adb_s:
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"23ai":
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status: "GA_CAVEAT"
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notes: |
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HNSW indexes are node-local on multi-node RAC. Works well up to
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~50M vectors on single node (≤24 ECPUs). At 100M+ on multi-node
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(≥64 ECPUs), requires hash-partitioned vector table with LOCAL
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HNSW index for <50ms P95. See FF-202603-008.
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scale_limits:
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single_node_max_vectors: "~50M with <50ms P95"
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multi_node_requires: "Hash partitioning + LOCAL HNSW index"
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validated_at: "120M vectors, 64 ECPU, P95 = 38ms (with workaround)"
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without_workaround: "P95 >200ms at 100M+ on 2-node RAC"
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field_finding_ref: "FF-202603-008"
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"26ai":
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status: "UNTESTED"
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notes: "Check if distributed HNSW is added in 26ai. Expected to remain node-local."
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adb_s_ep:
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"23ai":
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status: "GA_CAVEAT"
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notes: "Same node-local limitation as ADB-S Serverless."
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field_finding_ref: "FF-202603-008"
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adb_d:
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"23ai":
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status: "GA_CAVEAT"
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notes: "Same limitation. Dedicated infra doesn't change HNSW locality."
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exacs:
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"23ai":
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status: "GA_CAVEAT"
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notes: "RAC with HNSW has same node-local constraint. Partitioning workaround applies."
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dbcs_ee:
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"23ai":
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status: "NOT_AVAIL"
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notes: "AI Vector Search requires 23ai. Available in EE but HNSW performance limited without Exadata storage."
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- name: "AI Vector Search (IVF)"
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category: "developer"
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matrix:
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adb_s:
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"23ai":
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status: "GA"
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notes: |
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IVF (Inverted File) indexes ARE distributed across RAC nodes.
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Works at 100M+ scale without partitioning. However, IVF has
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lower recall than HNSW at same latency budget. Trade-off:
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IVF for scale without redesign, HNSW+partitioning for best recall.
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"26ai":
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status: "UNTESTED"
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adb_s_ep:
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"23ai":
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status: "GA"
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notes: "Same as ADB-S Serverless."
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adb_d:
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"23ai":
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status: "GA"
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exacs:
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"23ai":
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status: "GA"
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notes: "IVF distributed across RAC nodes. Exadata storage accelerates scans."
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dbcs_ee:
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"23ai":
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status: "NOT_AVAIL"
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notes: "AI Vector Search requires 23ai. Available in EE but performance limited without Exadata."
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# --- Deployment / Operations ---
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- name: "Elastic Pool Membership"
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category: "operations"
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matrix:
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adb_s_ep:
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"23ai": { status: "GA_CAVEAT", notes: "Billing starts at AVAILABLE. Co-location at next maintenance window. Pool can't auto-scale." }
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adb_d_dep:
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"23ai":
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status: "GA_CAVEAT"
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notes: "Provisioning days-weeks. ADG must be disabled before joining. Maintenance window immutable. Saturday/Sunday default."
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contributor:
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name: "Diego Cabrera"
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team: "Field Architecture"
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date: "2026-03-14"
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confidence: "validated"
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field_finding_ref: "FF-202603-002"
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- name: "Cross-Region Read Offload (ProxySQL/Refreshable Clone)"
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category: "operations"
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matrix:
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adb_s:
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"23ai":
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status: "LIMITED"
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notes: "Architecturally impossible without pre-provisioned Elastic Pool in Region B post-switchover. Mitigation for planned: DBMS_PROXY_SQL.DISABLE_READ_ONLY_OFFLOAD. For unplanned: OCI Events + Functions."
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contributor:
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name: "Diego Cabrera"
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team: "Field Architecture"
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date: "2026-03-14"
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confidence: "validated"
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field_finding_ref: "FF-202603-005"
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"26ai": { status: "UNTESTED", notes: "Same architectural constraint expected to persist." }
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- name: "OCI CLI Management"
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category: "operations"
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matrix:
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adb_s:
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"23ai": { status: "GA_CAVEAT", notes: "--resource-pool-summary works on CLI 3.73+. --autonomous-database-maintenance-window has JSON serialization bug on CLI 3.73.1 AND 3.75.0. Must use Console for maintenance window." }
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# =============================================================================
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# HOW TO ADD A NEW FEATURE
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# =============================================================================
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# 1. Add entry under "features:" following the template above
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# 2. Fill matrix for every deployment_type + version you've tested
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# 3. Mark untested combinations as UNTESTED
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# 4. Add field_finding_ref if the entry comes from a specific incident
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# 5. Update last_verified date
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# 6. Commit with a message: "feat-matrix: added [feature_name]"
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