What are the differences in Rails schema between versions?
Rails schema has evolved significantly across versions. For instance, Rails 4 introduced the json
data type, while Rails 5 added support for index
options.
Can you explain how the json
data type works in Rails 4?
Sure! The json
data type allows you to store JSON data directly in your database, making it easier to work with complex data structures.
What about the changes in migrations from Rails 5 to Rails 6?
Rails 6 introduced multiple database support in migrations, allowing you to run migrations across different databases more seamlessly.
Are there any backward compatibility issues I should be aware of?
Yes, some features may not be backward compatible, especially when using new data types or methods introduced in later versions.
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