In-Memory Database with Record CRUD and Lock/Unlock

Problem: Build an In-Memory Database with Record Operations and Locks Create a lightweight in-memory database whose data is organized into records. Every record is addressed by a recordKey and may contain several named fields. Read a sequence of commands and produce one result for each command. The database needs to provide: CRUD operations for creating, modifying, removing, and reading records or individual fields. Record locks, including commands to acquire and release a…