Tutorial by Topics: active

Column typeDescription:primary_keyPrimary key:stringShorter string datatype. Allows limit option for maximum number of characters.:textLonger amount of text. Allows limit option for maximum number of bytes.:integerInteger. Allows limit option for maximum number of bytes.:bigintLarger integer:float...

This section provides an overview of what system.reactive is, and why a developer might want to use it. It should also mention any large subjects within system.reactive, and link out to the related topics. Since the Documentation for system.reactive is new, you may need to create initial version...

AR is perfect when you need to delete, update or create one or more records sequentially. Its support of dirty attributes (saving only what was really changed) results in optimized UPDATE statements which lifts the load from database significantly and reduces chances for various conflicts connecte...

ActiveModel was created to extract the model behavior of ActiveRecord into a separate concern. This allows us to use ActiveModel behavior in any object, not just ActiveRecord models. ActiveRecord objects include all of this behavior by default.

ActiveRecord is the M in MVC which is the layer of the system responsible for representing business data and logic. The technique that connects the rich objects of an application to tables in a relational database management system is Object Relational Mapper(ORM). ActiveRecord will perform queries...

ActiveSupport is a utility gem of general-purpose tools used by the rest of the Rails framework. One of the primary ways it provides these tools is by monkeypatching Ruby's native types. These are referred to as Core Extensions.

Transactions are protective blocks where SQL statements are only permanent if they can all succeed as one atomic action. The classic example is a transfer between two accounts where you can only have a deposit if the withdrawal succeeded and vice versa. Transactions enforce the integrity of the da...

This section provides an overview of what active-directory is, and why a developer might want to use it. It should also mention any large subjects within active-directory, and link out to the related topics. Since the Documentation for active-directory is new, you may need to create initial vers...

This section provides an overview of what azure-active-directory is, and why a developer might want to use it. It should also mention any large subjects within azure-active-directory, and link out to the related topics. Since the Documentation for azure-active-directory is new, you may need to c...

Active record is an architectural pattern of modeling database objects. In this pattern classes match very closely the structure of underlying database.

Active Record It's the M in MVC - the model - which is the layer of the system responsible for representing business data and logic. Active Record facilitates the creation and use of business objects whose data requires persistent storage to a database. It is an implementation of the Active Rec...