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DBIx::Class beginners
This document provides an introduction and overview of DBIx::Class, an ORM (object relational mapper) for Perl. It discusses setting up tables for an authors and books example database, and performing CRUD (create, read, update, delete) operations both manually using SQL and using DBIx::Class. It also covers creating models with Schema::Loader, debugging, overloading result and result set classes, and inflating/deflating columns.
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Overview of DBIx::Class as an ORM for Perl; facilitates using objects instead of SQL. Emphasizes the importance of avoiding misconceptions and confusion in implementation.
Instructions on creating database tables (authors, books) with proper naming conventions and foreign keys to enhance clarity in relationships.
Demonstrates manual SQL operations: Create, Retrieve, Update, Delete with examples of code in Perl to manage book records within the database.
Demonstrates how to perform CRUD operations using DBIx::Class, highlighting the elimination of direct SQL queries and simplifying database interactions.
Explains creating result classes and result sets with Schema::Loader; includes debugging techniques and the fluidity of DBIx::Class structure.
Details on defining relationships (has_many, belongs_to, many_to_many) between authors and books, emphasizing join tables for complex relationships.
Discusses common error messages encountered when using DBIx::Class; stresses the importance of checking field names and database connections.
Discusses using Template Toolkit for rendering data and integrates DBIx::Class with the Catalyst framework for web applications.
Final thoughts on the presentation and resources for further information about DBIx::Class.