Declarative Objectivity (DO) Language
Declarative Objectivity (DO) Language
Version 12.6.2
Declarative Objectivity (DO) Language explains how to use the DO language to interactively query and update data stored in an Objectivity/DB federated database.
The DO language leverages your experience with SQL or Neo4j’s Cypher language. Familiarity with object-oriented concepts and Unified Modeling Language (UML) is helpful.
    
To Learn At This Level
About These Topics
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Quick start
Basic concepts
Executing DO statements
Adding, modifying, deleting data
Tasks and concepts
Querying stored data
Creating stored data
Syntax and behavior details
 
General DO statements
DO statements that add and modify schema types
Expressions used in DO statements
Names, dates, and strings used in DO statements
Note:For conventions used in the documentation, see Syntax Diagrams and Production Rules.