Conventional UML diagrams for MQL5 Programming Book (Part 7. Advanced language tools)

In this topic I present the original schemes prepared for the book MQL5 Programming for Traders, Part 7. They have been reworked for the book by MQ's designers, but Visio's plain rendering may probably seem more readable for someone.

Diagram of links between structures by fields with identifiers from Basic concepts of the calendar

Scheme for indexing data by hashing from Transferring calendar database to tester

ORM, Object-Relational Mapping from OOP (MQL5) and SQL integration: ORM concept

ORM Class Diagram (MQL5<->SQL) from Examples of CRUD operations in SQLite via ORM objects

Communication-component diagram of an MQL program with libraries from Development and linking binary format libraries

Structure and life cycle of the project from Projects

WebSocket class diagram from WebSocket protocol in MQL5

Scheme of interaction between an MQL program and an OpenCL attachment from Built-in support for parallel computing: OpenCL