ga-wdi-lessons / activerecord-intro Goto Github PK

ga-dc/wdi6-formerly-curriculum#417

1.the active record pattern is an architectural pattern found in software that stores in-memory object data in relational databases
2.ORMs provide a high-level abstraction upon a relational database that allows a developer to write Python
3. a database connection is the means by which a database server and its .

1. A ruby gem. A library that ports objects from other languages to ruby and back.
2. A tool to help convert objects from a different language to something you can use.
3. So the server can access and manipulate the database?

Try to answer these questions:

• What is the Active Record pattern in a nutshell?
• At a high level, what are ORM's and how might they be useful?
• What is the importance of interfacing the server with the database?

1- "the layer of the system responsible for representing business data and logic"
2- "programming technique for converting data between incompatible type systems using object-oriented programming languages"
3- save time and energy

What is the Active Record pattern in a nutshell?
-Objects that carry both persistent data and behavior which operates on that data
At a high level, what are ORM's and how might they be useful?
-A technique for converting data between incompatible systems using a object oriented language.
-It allows the person whose writing code to convert it into different languages.

Try to answer these questions:

• What is the Active Record pattern in a nutshell?
• At a high level, what are ORM's and how might they be useful?
• What is the importance of interfacing the server with the database?