1. Modeling Your First CDS View
1.1 Define the Data Model of the Application
1.2 Implement the Data Model of the Application
1.2.1 Create Database Tables
1.2.2 Create a CDS View
1.2.3 Edit a CDS View
1.2.4 Create a Hierarchy of CDS Views
1.3 Summary
2. Fundamentals of CDS Data Modeling
2.1 Overview of CDS Models
2.2 Overview of CDS View Syntax
2.3 Key Fields
2.4 Cast Operations
2.5 Typed Literals
2.6 Case Statements
2.7 Session Variables
2.8 Client Handling
2.9 Union Views
2.10 Joins
2.11 SQL Aggregation Functions
2.12 Projection Fields
2.13 Parameters
2.14 Reference Fields
2.15 Conversion Functions for Currencies and Quantity Units
2.16 Summary
3. Associations
3.1 Define Associations
3.2 Expose Associations
3.3 Model Compositional Relations
3.4 Model M:N Relations
3.5 Project Associations
3.6 Use Associations in CDS Views
3.6.1 Define Path Expressions
3.6.2 Joins Resulting from Path Expressions
3.6.3 Cardinaliry Changes Resulting from Path Expressions
3.7 Use Association in ABAP Code
3.8 Summary
4. Annotations
4.1 Annotation Definitions
4.1.1 Syntax Overview
4.1.2 Annotation Names
4.1.3 Annotation Types and Values
4.1.4 Enumeration Values
4.1.5 Annotation Default Values
4.1.6 Annotation Scopes
4.2 Effects of Annotations
4.3 Propagation Logic of Element Annotations
4.3.1 Basic Principles
4.3.2 Consistency Aspects
4.4 CDC Metadata Extensions
4.5 Active Annotations
4.6 Summary
5. Access Controls
5.1 Fundamentals of Access Controls
5.2 Mode of Action of Access Controls
5.3 Implementations Patterns for Access Controls
5.3.1 Implement Access Controls with Path Expressions
5.3.2 Inherit Implementation of Access Controls
5.3.3 Implement Access Controls without Using Authorization Objects
5.3.4 Implement Access Controls for Analytical Queries
5.3.5 Implement Access Controls on the Field Level
5.3.6 Change Access Controls of SAP-Delivered CDS Models
5.3.7 Block Standard Data Selections from CDS Models
5.3.8 Decouple Access Controls from User Input
5.3.9 Map CDS Fields onto Fields of Authorization Objects Usint indirection
5.4 Test Access Controls
5.5. Summary
6. Business Services
6.1 Projection View
6.2 Service Definitions
6.3 Service Bindings
6.3.1 UI Services
6.3.2 Web API Services
6.3.3 InA Services
6.4 Testing Business Services
6.5 Summary
7. Native SAP HANA Functions in CDS
7.1 Implementation of a CDS Table Function
7.2 Application Scenarios
7.3 Aspects for Consideration
7.4 Summary
8. Modeling Application Data
8.1Application Architecture in SAP S/4 HANA
8.2 Field Lables
8.2.1 Determination of a Field Label
8.2.2 Length of a Field Label
8.3 Field Semantics
8.3.1 Quantities and Amounts
8.3.2 Aggregation Behavior
8.3.3 System Times
8.3.4 Text and Languages
8.3.5 Information for the Fiscal Year
8.4 Foreign Key Relations
8.5 Text Relations
8.6 Composition Relations
8.7 Time-Dependent Data
8.8 Summary
9. The Virtual Data Model in SAP S/4 HANA
9.1 Why a Virtual Data Model?
9.2 Lifecycle, Release, and Stability
9.2.1 Release Contracts and Visibility
9.2.2 Lifecycle
9.2.3 Deprecation
9.2.4 Supported Capabilities
9.3 Structure of the Virtual Data Model
9.3.1 Basic Interface Views
9.3.2 Composite Interface Views
9.3.3 Consumption Views
9.3.4 Other Types of VDMs
9.4 Naming in the Virual Data Model
9.4.1 Field Names
9.4.2 Names of VDM Views
9.4.3 Names of Parameters and Associations
9.5 Basic Interface View for the Sales Order
9.5.1 View Annotations
9.5.2 Structure of the Sales Order View
9.5.3 Specialization
9.5.4 Element Annotations
9.6 Tips for Finding Virtual Data Model Views
9.6.1 Explore CDS Views in SAP API Business Hub
9.6.2 Search in the ABAP Development Tools
9.6.3 Search Views with Specific Annotations
9.6.4 ABAP Where-Used List
9.7 Summary
10. Modeling Analytical Applications
10.1 Analytics in SAP S/4 HANA
10.2 Analytical Views
10.2.1 First Analytical CUbe View
10.2.2 Test Environment for Analytical Views
10.2.3 Analytical Cube Views
10.2.4 Analytical Dimension Views
10.2.5 Analytical Model in the Test Environment
10.2.6 Consistency of the Analytical Model
10.3 Analytical Queries
10.3.1 Definition of an Analytical Query
10.3.2 Initial Layout of a Query
10.3.3 Filter, Select Options, Parameters
10.3.4 Calulation of Measures
10.3.5 Restricted Measures
10.3.6 Exception Aggregation
10.3.7 Currencies and Conversion
10.3.8 Analytical Query Selecting from Dimension Views
10.4 Analytical Infrastructure
10.5 Summary
11. Modelng Transactional Applications
11.1 Transactional Applications
11.2 Transactional Infrastructure in SAP S/4 HANA
11.3 Transactional Object Models
11.3.1 Object Models
11.3.2 Access Controls
11.4 Behavior Definitions
11.4.1 Create Behavior Definition
11.4.2 Behavior Pool and Handler Implementation
11.4.3 Consumption via EML
11.4.4 Static Field Control
11.4.5 Numbering
11.4.6 Exclusive Locks
11.4.7 Authorization Checks
11.4.8 Actions
11.4.9 Functions
11.4.10 Data Determinations and Validations
11.4.11 Dynmic Fearutres Control
11.4.12 Mappings
11.4.13 Calculated Fields
11.4.14 Prechecks
11.4.15 HTTP Etags
11.4.16 Draft
11.5 Transactional Service Models
11.5.1 Service Models
11.5.2 Access Control
11.5.3 Localized Elements
11.5.4 Calculated Fields/ Virtual Elements
11.6 Define Projection Behavior Definition
11.6.1 Projection Behavior Definition
11.6.2 Static Field Control
11.6.3 Operations and Features
11.6.4 Actions and Functions
11.6.5 Prechecks
11.6.6 Augmentations
11.6.7 Consumption via EML
11.7 Runtime Orchestrations
11.7.1 Interaction Phase Operation Flow
11.7.2 Save Phase Operation Flow
11.7.3 Runtime Component Overview
11.7.4 Consumption via OData
11.8 SAP Fiori and OData Consumption
11.8.1 OData Service for Web API Consumption
11.8.2 OData Service for UI Consumption
12 Hierarchies in CDS
12.1 Hierarchy Categories and basics
12.2 Annotation- based Parent-Child Hierarchies
12.2.1 Example of a parent-child hierarchy
12.2.2. Determination of a Hierarchy
12.2.3 Test a Hierarchy
12.3 CDS Hierarchies
12.3.1 Data for an Example of a reporting line hierarchy
12.3.2 Define the CDS Hierarchy
12.3.3 Hierarchy Attributes
12.3.4 Visualization of a Hierarchy
12.3.5 Hierarchy with an Orphaned Node
12.3.6 Hierarchy with Multiple Parent Nodes
12.3.7 Hierarchy with Cycles
12.3.8 Futher Options for Defining Hierarchies
12.3.9 CDS Hierarchies in ABAP SQL
12.4 Summary
13. CDS-Based Search Functionality
13.1 Modeling Value Helps
13.1.1. Modeling Value Help Views
13.1.2 Integrating Value Help Views
13.1.3 Exposing Value Helps
13.1.4 Using Value Helps
13.2 Free-Text Search Funtionality in OData Services
13.3. Summary
14. Extension of CDS Views and View Entities
14.1 Extension Options
14.2 CDS Entity Extensions
14.3 Usage of CDS Entity Extensions
14.4 summary
15. Automated Testing
15.1 Fundamentals of the test double framework
15.2 Test Sample Overview
15.3 Test Implementations of CDS Views
15.4 Test ABAP Logic with SQL Accesses to CDS Views
15.5 Test Code Generation Functions
16. Troubleshooting
16.1 Performance aspects
16.2 Pitfalls
16.3 Troubleshoot Implementations of CDS Models
16.4 Troubleshoot Actication Issue
16.5 Summary
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