🌿 Smart Garden Manager in C++ with Robotics, UI, Drones, and Sound "A Rainwater Conservation System for Tomorrow’s Farms"

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  🌿  Smart Garden Manager in C++ with Robotics, UI, Drones, and Sound "A Rainwater Conservation System for Tomorrow’s Farms" 🧭  1. Introduction: Farming in the Age of Climate Change In a world where clean water is more precious than gold, efficient  rainwater harvesting and plant care systems  are no longer optional — they’re essential. Smart farming doesn’t mean just automating irrigation. It means combining  robotic drones, environmental sensors, and intelligent scheduling  to build a garden that practically takes care of itself. In this guide, we build a  fully functional Garden Manager System  using  C++  that: Captures and conserves rainwater Uses  robotic drones and sensors  to monitor crop health Integrates a  real-time UI  with progress bars and alerts Includes  timers  for scheduling plant growth and drone tasks Plays  interactive sounds  based on crop state and events Whether you'r...
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Oracle............Relating multiple tables

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Each table  contains data that describes exactly one entity,e.g  the EMPLOYEES  table  contains  information about employees .By using a table format  ,you can readily understand and use information.Because data about different entities is stored in different tables ,you need to combine two or more tables ,to answer a particular question ,e.g you may want to know the location of the department where an employee works.In this scenario ,you need info from EMPLOYEES  table and the DEPARTMENTS table . With an RDBMS  you can relate data in one table to the data in another by using foreign keys. A foreign key is a column  that refers to a primary  key in the same table or another table .Each row of data in a table is uniquely identified by a primary key. You can logically relate data from multiple tables using foreign keys.

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