What is ActiveRecord in yii2?
Advertisements. Active Record provides an object-oriented API for accessing data. An Active Record class is associated with a database table. Yii provides the Active Record support for the following relational databases −
How to delete in yii2?
Deleting Data To delete a single row of data, first retrieve the Active Record instance corresponding to that row and then call the yii\db\ActiveRecord::delete() method. $customer = Customer::findOne(123); $customer->delete(); You can call yii\db\ActiveRecord::deleteAll() to delete multiple or all rows of data.
What is ORM in yii2?
The ActiveRecord class in Yii provides an object oriented interface (aka ORM) for accessing database stored data. Similar structures can be found in most modern frameworks like Laravel, CodeIgniter, Smyfony and Ruby.
What is Rails ActiveRecord?
Rails Active Record is the Object/Relational Mapping (ORM) layer supplied with Rails. It closely follows the standard ORM model, which is as follows − tables map to classes, rows map to objects and. columns map to object attributes.
How to check if a record exists in a table in yii2?
In Yii2, if you’d like to check if a record exists in a table, use the following code: We were unable to load Disqus Recommendations. If you are a moderator please see our troubleshooting guide. Setting the State of the Switch Input Widget … The Krajee Switch Input widget for Yii2 based on Bootstrap Switch is great. …
What is yiidbactiverecord class?
Class yiidbActiveRecord. ActiveRecord is the base class for classes representing relational data in terms of objects. Active Record implements the Active Record design pattern. The premise behind Active Record is that an individual yiidbActiveRecord object is associated with a specific row in a database table.
How to get all executed SQL queries in Yii?
They show only main SQL on active record’s table, \\yii\\debug\\Module works only in browser. Alternative method to get all executed SQL queries is to log them by adding specific FileTarget to configuration: In order to log insert/update/delete queries one should also add yii\\db\\Command::execute category: Show activity on this post.
How do I compare two active Records in a database?
Returns a value indicating whether the given active record is the same as the current one. The comparison is made by comparing the table names and the primary key values of the two active records. If one of the records is new they are also considered not equal. Whether the two active records refer to the same row in the same database table.