#11Working with Databases: Active Record - Yii Framework

In the following example, we declare an Active Record class named Customer for the customer database table. namespace app\models; use yii\db\ActiveRecord; ...

於www.yiiframework.com

#12activerecord | RubyGems.org | Ruby 社群Gem 套件管理平台

activerecord 5.0.0.1. Databases on Rails. Build a persistent domain model by mapping database tables to Ruby classes. Strong conventions for associations, ...

於rubygems.org

#13ActiveRecord - APIdock

Constants · UnknownAttributeError = ActiveModel::UnknownAttributeError · MigrationProxy = Struct.new(:name, :version, :filename, :scope) do def initialize(name, ...

於apidock.com

#14ActiveRecord 基礎

ActiveRecord 是Rails的物件/關聯映射（Object/Relational Mapping, ORM）解決方案，可以物件角度來進行資料庫操作，將物件與物件關係，映射至關聯資料庫表格與表格...

於openhome.cc

#15PHP ActiveRecord - An easy to use ORM for PHP

php-activerecord is an open source ORM library based on the ActiveRecord pattern. It aims to massively simplify the interactions with your database and ...

於www.phpactiverecord.org

#16ActiveRecord | Castle Project

Castle ActiveRecord is built on top of NHibernate, but its attribute-based mapping frees the developer of writing XML for database-to-object mapping, which is ...

於www.castleproject.org

#17How does Ruby-on-Rails ActiveRecord Work Behind the ...

ActiveRecord is an ORM. It's a layer of Ruby code that runs between your database and your logic code. When you need to make changes to the ...

於www.encora.com

#18Active Record_百度百科

Active Record (活动记录)，是一种领域模型模式，特点是一个模型类对应关系型数据库中的一个表，而模型类的一个实例对应表中的一行记录。

於baike.baidu.com

#19ActiveRecord: Object-Relational Mapping for Rails - Stanford ...

ActiveRecord Basics · Model: a Rails class corresponding to a database table · ActiveRecord: · Example table: · Create a class for this table ( app/models/student.

於web.stanford.edu

#20POCO ActiveRecord User Guide

POCO ActiveRecord is a simple and lightweight object-relational mapping (ORM) framework built on top of the POCO Data library. The main goal of POCO ...

於docs.pocoproject.org

#21Active Record - Shrine

Including a Shrine::Attachment module into an ActiveRecord::Base subclass will: add model attachment methods; add validations and callbacks to tie attachment ...

於shrinerb.com

#22ActiveRecord: How to Speed Up Your SQL Queries

Find out how to improve and debug ActiveRecord generated SQL queries. Learn how to work with Rails and ActiveRecord to write a more ...

於phrase.com

#23Active Record – Object-relational mapping in Rails - RubyDoc ...

Active Record connects classes to relational database tables to establish an almost zero-configuration persistence layer for applications.

於www.rubydoc.info

#24Pro Active Record: Databases with Ruby and Rails (Expert's ...

Pro ActiveRecord for Ruby helps you take advantage of the full power of your database engine from within your Ruby programs and Rails applications.

於www.amazon.com

#25Generating ActiveRecord Models - Thinkster

Use ActiveRecord to model relations between data in Ruby on Rails. ... Rails ships with generators that help us create ActiveRecord migrations and models ...

於thinkster.io

#26Rails Aren't Bad. Active Record Is. - Monterail

Is there anyone out there in the Ruby community who doesn't know Active Record? Yet, there's a better solution than AR.

於www.monterail.com

#27ActiveRecord Class (DocumentFormat.OpenXml ...

Record Currently Displayed In Merged Document. When the object is serialized out as xml, its qualified name is w:activeRecord.

於docs.microsoft.com

#28Manage connections by using ActiveRecord - MySQL

ActiveRecord creates and executes your SQL and automatically # handles the opening and closing of the database connection. if @vote.save

於cloud.google.com

#29ActiveRecord Transactions in depth | BigBinary

Transactions in ActiveRecords. Rails provides transaction as a class method under the ActiveRecord::Base class. We can use the method like so:.

於www.bigbinary.com

#30Active Record Queries - Ruby on Rails - The Odin Project

Active Record is much more powerful than just simple CRUD actions on individual records. It gives you a Ruby-ish interface to do almost anything you can do ...

於www.theodinproject.com

#31Build a Ruby App with CockroachDB and ActiveRecord

CockroachDB provides an ActiveRecord adapter for CockroachDB as a RubyGem. Tip: For a more realistic use of ActiveRecord with CockroachDB in a Rails app, see ...

於www.cockroachlabs.com

#32ActiveRecord - Part 2: Useful methods - Netguru

In this part, we will discuss some other useful ActiveRecord methods that can help us achieve some results faster or just in a more elegant way.

於www.netguru.com

#33Timestamp Truncation: A Ruby on Rails ActiveRecord Tale

We took a deep dive into a problematic test on a Ruby on Rails/ActiveRecord app. Here's what we uncovered about how Rails timestamps interact with ...

於www.toptal.com

#34Ruby on Rails ActiveRecord. How to prevent taking a ...

However, ActiveRecord continues to torment the database. Models: class Offer has_many :offer_filters has_many :filters, ...

於stackoverflow.com

#35Ruby on Rails - Active Records - Tutorialspoint

Ruby on Rails - Active Records, Rails Active Record is the Object/Relational Mapping (ORM) layer supplied with Rails. It closely follows the standard ORM ...

於www.tutorialspoint.com

#36Compared to ActiveRecord - ROM.rb

Rails ActiveRecord is the most popular persistence framework in ruby land. Deployed inside the majority of rails applications across the web, ...

於rom-rb.org

#37Active Record の基礎 - Ruby on Rails ガイド

Active Record とは、MVCで言うところのM、つまりモデルに相当するものであり、ビジネスデータとビジネスロジックを表すシステムの階層です。Active Recordは、データベース ...

於railsguides.jp

#38Speed up ActiveRecord with a little tweaking | Cloudbees Blog

Grab all the data at once in ActiveRecord. If you look at the logs in an unoptimized app, they'll probably look like this: Processing by ...

於www.cloudbees.com

#39Rails 7 adds ActiveRecord methods `#sole` and `#find_sole_by`

Rails 7 adds ActiveRecord methods `#sole` and `#find_sole_by` to uniquely match only one record in a database.

於blog.saeloun.com

#40ActiveRecord Associations and You - Mutually Human

The table of the belongs_to model contains a column with the foreign key of the has_one model. ActiveRecord expects only one belongs_to model to match up to the ...

於www.mutuallyhuman.com

#41批評Active Record 的13個論點：最好用也最危險的Anti-pattern

為了點出那些衝突，這篇文章會從傳統開發知識的角度，對active record pattern提出多項批評。 什麼是Active record pattern？ 從Rails的ActiveRecord，到 ...

於blog.turn.tw

#42Ruby on Rails中的ActiveRecord程式設計指南 - 程式前沿

避免改動預設的ActiveRecord（表的名字、主鍵，等等），除非你有一個非常好的理由（像是不受你控制的資料庫）。 把巨集風格的方法放在類別定義的 ...

於codertw.com

#43Troubleshooting ActiveRecord Performance | AppSignal Blog

ActiveRecord is the model component in the Ruby in Rails framework. It introduces an abstraction layer between code and data, so we don't have ...

於blog.appsignal.com

#44Rails ActiveRecord Scopes With Arguments - Gaslight

Warning: Before we start please note that variable scoping in Ruby and ActiveRecord scopes in Rails are totally different concepts.

於teamgaslight.com

#45Activerecord - DEV Community

activerecord content on DEV Community. ... Track and fix excessive Active Record instantiation · #activerecord #rails #performance #database.

於dev.to

#46Ruby on Rails Tutorial => ActiveRecord Bang (!) methods

If you need an ActiveRecord method to raise an exception instead of a false value in case of failure, you can add ! to them. This is very important.

於riptutorial.com

#47Queries on Rails - Active Record and Arel (2020) - Imaginary ...

The Active record object comes with a set of methods to help us query database records so theres no need to use raw SQL. For comparation ...

於www.imaginarycloud.com

#48Advanced ActiveRecord Querying Rails Online Video Tutorial

Get instant access to videos, exercises, and forum discussions on mastering ActiveRecord Querying in Rails. Join the community at Upcase by thoughtbot for ...

於thoughtbot.com

#49How ActiveRecord Uses Caching To Avoid Unnecessary Trips ...

ActiveRecord makes accessing your database easy, but it can also help make it faster by its intelligent use of caching.

於www.honeybadger.io

#50Rails Activerecord Models And Rails Readme - Learn.co

Active Record's Role. Active Record is the built-in ORM that Rails utilizes to manage the model aspects of an application. What is an ORM?

於learn.co

#51ActiveModel / ActiveRecord | Elasticsearch Ruby Client [7.16]

Featuresedit · ActiveModel integration with adapters for ActiveRecord and Mongoid · Enumerable-based wrapper for search results · ActiveRecord::Relation-based ...

於www.elastic.co

#52PHP教學- ActiveRecord 介紹 - icodding愛程式

Active Record 和Row Gateway （行記錄入口）十分相似，但前者是領域模型，後者是一種資料源模式。關係型資料庫往往通過外鍵來表述實體關係，Active ...

於icodding.blogspot.com

#53Advanced Active Record: Using Subqueries in Rails - pganalyze

Active Record lets you access raw SQL. We look at 5 business requests for data, translate them into SQL, then into Rails code to find the ...

於pganalyze.com

#54What is ActiveRecord? - Quora

ActiveRecord is a ruby class which enables a rails developer to access databases and read and write data to it. it is included in the standard library of rails.

於www.quora.com

#55craft\db\ActiveRecord | Craft 3 Class Reference

Returns a list of active record models that match the specified primary key value(s) or a set of column values. findBySql(), See yii\db\ActiveRecord::findBySql ...

於docs.craftcms.com

#56On ActiveRecord callbacks, setters and derived data - Arkency ...

On ActiveRecord callbacks, setters and derived data We've already written in Arkency a few times about callbacks alternatives in Rails and ...

於blog.arkency.com

#577 Patterns to Refactor Fat ActiveRecord Models | Code Climate

ActiveRecord classes handle persistence, associations and not much else. But bit-by-bit, they grow. Objects that are inherently responsible ...

於codeclimate.com

#58Notable ActiveRecord changes in Rails 6 - Part 1 - BoTree ...

ActiveRecord ::Relation#pick – Shorthand for Single Value Plucks. Lets' first recall #pluck method, that is since rails version 3.2.0. #pluck ...

於www.botreetechnologies.com

#59empty?, blank?, any?, exists? methods of Ruby on Rails ...

Ruby on Rails ActiveRecord provides several methods for checking if a relation (a query) returns zero or more records: empty? , blank?

於andreigridnev.com

#60Ruby ActiveRecord (without Rails) Tutorial | DevDungeon

The Ruby ActiveRecord gem provides easy-to-use abstractions for working with databases and allows you to easily swap out the database ...

於www.devdungeon.com

#61Active Record - C2 wiki

Active Record. Intent: An object that wraps a record data structure in an external resource, such as a row in a database table, and adds some domain logic ...

於wiki.c2.com

#62Non-ActiveRecord Models in Rails 4 - Envato Tuts+ Code

ActiveRecord comes with a powerful set of validators and other features for attributes of a persisted data model.

於code.tutsplus.com

#63Ruby on rails ActiveRecord - IT閱讀 - ITREAD01.COM - 程式 ...

ActiveRecord 介紹 1.當你建立一個ActiveRecord::Base的子類,實際上是包裝一個數據庫表。 2.active record假定表名是類的複數形式。

於www.itread01.com

#64Ruby on Rails/ActiveRecord/Naming - Wikibooks

ActiveRecord uses convention for naming classes, tables and fields. Rails uses convention over configuration. ActiveRecord expects applications to follow ...

於en.wikibooks.org

#65Making sense of ActiveRecord joins, includes, preload, and ...

Like a pair of jumper cables, ActiveRecord's joins , includes , preload , and eager_load methods are incredibly useful.

於scoutapm.com

#66Concurrency and Database Connections in Ruby with ...

Configuring database connections in the Active Record connection pool for apps ... ActiveRecord::ConnectionTimeoutError - could not obtain a ...

於devcenter.heroku.com

#67ActiveRecord Explain - YouTube

於www.youtube.com

#68Use ActiveRecord In Your Ruby Project - Tech Career Booster

This blog post demonstrates how you can use ActiveRecord in your Ruby application outside of Ruby on Rails.

於www.techcareerbooster.com

#69ActiveRecord Refactoring: Move Association Behavior to ...

In a typical Rails app, one ActiveRecord model tends to accumulate a lot of associations and related methods. This is usually the User class ...

於tanzu.vmware.com

#70Tip: Use `to_sql` to see what query ActiveRecord will generate

If you're trying to write a tricky ActiveRecord query that includes joins, complex where clauses, or selecting specific values across tables, it can be hard ...

於boringrails.com

#71ActiveRecord's New Takes a Block, Kid - The Gnar Blog

A number of ActiveRecord methods take a block to initialize attributes. This post explores how to do that and how using it compares to a few other methods ...

於blog.thegnar.co

#72A Simple Ruby Application from Scratch with Active Record

It's good to know that Active Record , Active Model, Action Pack and Action View, which are responsible for MVC, can be used independently ...

於thecodest.co

#733 ActiveRecord Mistakes That Slow Down Rails Apps: Count

Many Rails developers don't understand what causes ActiveRecord to actually execute a SQL query. Let's look at three common cases: misuse of ...

於www.speedshop.co

#74Pro Active Record: Databases with Ruby and Rails

That line basically says that our new class inherits from the Active Record module's base class. Before we break down that base class, though, ...

於books.google.com.tw

#75ActiveRecord.select - makandra dev

ActiveRecord.select. Active Record's select method allows you to make use of the power of MySQL select statements. On the one hand it allows ...

於makandracards.com

#76Different Ways to Set Attributes in ActiveRecord (Rails 4)

Rails 4 allows the developer to change ActiveRecord attributes in various ways. Each one does it slightly differently with sometimes unique ...

於davidverhasselt.com

#77Ruby on Rails: Get More From ActiveRecord - LinkedIn

Get more from Ruby on Rails ActiveRecord and leverage shortcuts and techniques to make database code more efficient.

於www.linkedin.com

#78Yii 2.0 ActiveRecord Explained - SitePoint

The ActiveRecord class in Yii provides an object oriented interface (aka ORM) for accessing database stored data. Similar structures can be ...

於www.sitepoint.com

#79#239 ActiveRecord::Relation Walkthrough - RailsCasts

The new Active Record query methods in Rails 3 might seem like magic at first. But in this episode I unravel how it works by browsing the Rails ...

於railscasts.com

#80How to Use The Rails Where Method (With Examples)

With where , an ActiveRecord::Relation object; With find , a single record, found by its primary column (usually id ), raises an exception if not found.

於www.rubyguides.com

#81ActiveRecord Explain (Example) | GoRails

Learn how to use ActiveRecord Explain to analyze your SQL queries generated by ActiveRecord.

於gorails.com

#82【初心者向け】RailsのActive Recordの解説&メソッドまとめ

ActiveRecord とは. 一言で言えば「RubyとSQLの翻訳機」です。 基本的にDBにはDB言語としてSQLが使 ...

於qiita.com

#83Understanding Active Record Associations | Web-Crunch

Understanding Active Record Associations. In Ruby on Rails, associating models is quite trivial but does come with some conventions you will ...

於web-crunch.com

#84Active Record - PRADO PHP Framework

Active Record. Available from Prado versions 3.1a onwards. Active Records are objects that wrap a row in a database table or view, encapsulate the database ...

於www.pradoframework.net

#85ActiveRecord Migrations | Drifting Ruby

20170828000400_create_users.rb class CreateUsers < ActiveRecord::Migration[5.1] def change create_table :users do |t| t.string :first_name ...

於www.driftingruby.com

#86ActiveRecord: ORM и типы данных / СоХабр

Достигается это применением техники ORM (Object-Relational Mapping), шаблона проектирования Active record (Активная запись) и некоторыми другими ...

於sohabr.net

#87ActiveRecord::Core "#find" now reuses "#find_by" cache key

Let's look into how ActiveRecord Core works: def find(*ids) # :nodoc: # We don't have cache keys for this stuff yet return super unless ...

於www.joyk.com

#88Active Recordでデータベースの操作をしてみよう【find ...

Ruby on Rails(以下Railsと呼ぶ)には、データの操作を簡単にする『Active Record』という便利な機能があります。プログラミング初心者の中に ...

於blog.codecamp.jp

#89TypeORM - Amazing ORM for TypeScript and JavaScript (ES7 ...

TypeORM supports both Active Record and Data Mapper patterns, unlike all other ... Alternatively, if you prefer to use the ActiveRecord implementation, ...

於typeorm.io

#90Patrones de Diseño (Active Record vs DAO) - Genbeta

Active Record. Este patrón de persistencia es quizás uno de los más habituales y es usado por frameworks como Rails. La idea detrás del patrón ...

於www.genbeta.com

#91Active Record Pattern - Source Code Examples

Explanation. Each Active Record is responsible for saving and loading to the database and also for any domain logic that acts on the data. An object ...

於www.sourcecodeexamples.net

#92Active Record (Активная запись) - Паттерны проектирования

Описание Active Record. Один объект управляет и данными, и поведением. Большинство этих данных постоянны и их надо хранить в БД.

於design-pattern.ru

#93From ActiveRecord to EventSourcing - SlideShare

An introduction to a possible implementation of CQRS/ES architecture for a Ruby on Rails app. It starts from Domain Model to arrive to a ...

於www.slideshare.net

#94Active Record pattern (or anti-pattern) - overview - Karol ...

Active Record is one of the most controversial architectural patterns with many supporters and opponents. Some people even call it the ...

於karoldabrowski.com

#95activerecord relation has_one code example | Shouland

Example 1: activerecord through class Doctor < ApplicationRecord has_many :patients, through: :consultation end Example 2: active record dependent destroy ...

於shouland.com