Glossary
Every term linked from Atlas docs has an entry here. Starlight auto-generates an anchor from each heading; hover the term to copy the deep link.
A_ view
Section titled “A_ view”A CDS view with the A_ prefix — SAP’s most stable public-API shape for a business object. Versioned, deprecation-tracked, C2 contract. Atlas prefers A_ over I_ when the choice exists.
AccessControl annotation
Section titled “AccessControl annotation”@AccessControl.authorizationCheck forces an authorization check on the view. Its presence is a prerequisite for Atlas’s authorization gate.
api.sap.com
Section titled “api.sap.com”SAP’s public API catalog. Atlas ingests structured entries as tier-2 evidence.
Business Application Programming Interface. A standardized SAP function module that acts as a published contract for a business operation. Many are deprecated in cloud releases; the Simplification Item Catalog tracks which.
Basic interface view
Section titled “Basic interface view”A CDS view with @VDM.viewType: #BASIC — the foundation layer of the VDM, one-to-one with a physical table. See VDM layer architecture.
SAP Business Technology Platform. The extension surface outside the ERP core; where clean-core extensions live.
C0 / C1 / C2
Section titled “C0 / C1 / C2”SAP’s three upgrade-stability contract tiers for CDS views. C2 is public and stable; C1 is system-internal; C0 is key-user or private. See SAP API stability tiers.
Core Data Services. The ABAP language feature used to define VDM views — a DDL-like projection syntax with annotation-based metadata.
Classification
Section titled “Classification”The stage where Atlas decides the shape of a task — analytical or transactional, core or BTP, new build or conversion. A decision, not a condition: you can override it.
Clean core
Section titled “Clean core”SAP’s principle that the ERP core is not modified; extensions live on BTP. See Clean core.
Composite interface view
Section titled “Composite interface view”A CDS view with @VDM.viewType: #COMPOSITE — combines multiple basic views into richer business objects without reading physical tables.
Consumption view
Section titled “Consumption view”A CDS view with @VDM.viewType: #CONSUMPTION — use-case-specific, carries UI, analytic, or OData annotations. Sits at the top of the VDM hierarchy.
Cube view
Section titled “Cube view”A CDS view with @Analytics.dataCategory: #CUBE — the fact table at the center of an analytical star. See VDM analytical star.
Data Control Language. The annotation vocabulary that declares row-level authorization filters on CDS views.
Dimension view
Section titled “Dimension view”A CDS view with @Analytics.dataCategory: #DIMENSION — a business object a query can filter by or slice on.
SAP’s earlier-generation ERP. Atlas reads ECC structures only to understand what a conversion is being asked to preserve; it does not emit code for ECC.
Evidence
Section titled “Evidence”Atlas’s unit of provenance: a record tying a claim — a fact, a plan decision, a gate result — to its source, its tier, and its timestamp. Every artifact Atlas emits carries evidence.
Evidence tier
Section titled “Evidence tier”One of four confidence bands: tier-1 (0.98), tier-2 (0.70), tier-3 (0.55), tier-4 (0.40). See Evidence and confidence.
A precise, testable condition a plan must satisfy before it advances. Non-bypassable; can be resolved or overridden with a stated reason. See Gates are non-bypassable.
I_ view
Section titled “I_ view”A CDS view with the I_ prefix — an interface view, either basic or composite. Carries the core business semantics SAP publishes.
Keystone
Section titled “Keystone”DJED’s knowledge-graph platform. Atlas is a consumer; the graph stores every fact Atlas knows about SAP.
SAP’s location identifier for help portal content. Stable across releases.
P_ view
Section titled “P_ view”A CDS view with the P_ prefix — SAP-private. Can change without notice; C0 stability. Atlas refuses to bind without an override. See SAP API stability tiers.
The dependency-ordered graph of artifacts Atlas will build to satisfy a task. Four lifecycle states: Draft, Reviewed, Transport-ready, Transported.
Plan lifecycle
Section titled “Plan lifecycle”The one-way state machine a plan moves through. See Plan lifecycle.
Pushdown
Section titled “Pushdown”HANA’s ability to execute a CDS view as a single vectorized column-store scan rather than streaming rows to ABAP. See VDM runtime trace.
R_ view
Section titled “R_ view”A CDS view with the R_ prefix — restricted reuse, intended for use only inside its owning application domain.
RESTful ABAP Programming Model. The transactional counterpart to the analytical VDM. Behavior definitions bound to CDS projection views.
Released CDS view
Section titled “Released CDS view”A CDS view SAP has explicitly marked as public and stable — C2 contract. Atlas’s preferred binding target.
Pipeline stage vs Studio station
Section titled “Pipeline stage vs Studio station”Atlas’s end-to-end pipeline has six stages: Task, Classify, Plan, Generate, Validate, Transport. The Studio UI rail shows five stations because Task is the trigger (the user typing the description), not a Studio-rendered station. Both descriptions are correct: “six stages end-to-end, of which five are visible Studio stations after task capture.”
Resolve (a gate)
Section titled “Resolve (a gate)”Fix the cause the gate is flagging — usually by swapping an entity or adjusting a binding — so the gate re-runs clean.
Simplification Item Catalog
Section titled “Simplification Item Catalog”SAP’s canonical list of things that change between releases. Atlas treats it as tier-1 evidence and refreshes its mirror nightly.
SPARQL
Section titled “SPARQL”The query language Atlas uses against Keystone. See Why a knowledge graph.
Transport / TR
Section titled “Transport / TR”SAP’s mechanism for moving changes between systems. Atlas’s final stage produces a TR and hands it off.
Virtual Data Model. SAP’s semantic layer on top of physical tables. A strict hierarchy of CDS views with declared annotations and stability contracts. Atlas plans against the VDM, not the tables. See VDM layer architecture.