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Diffstat (limited to 'guides/source/active_record_querying.md')
| -rw-r--r-- | guides/source/active_record_querying.md | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/guides/source/active_record_querying.md b/guides/source/active_record_querying.md index 32c139df99..9620270141 100644 --- a/guides/source/active_record_querying.md +++ b/guides/source/active_record_querying.md @@ -1,15 +1,17 @@ Active Record Query Interface ============================= -This guide covers different ways to retrieve data from the database using Active Record. By referring to this guide, you will be able to: +This guide covers different ways to retrieve data from the database using Active Record. -* Find records using a variety of methods and conditions -* Specify the order, retrieved attributes, grouping, and other properties of the found records -* Use eager loading to reduce the number of database queries needed for data retrieval -* Use dynamic finders methods -* Check for the existence of particular records -* Perform various calculations on Active Record models -* Run EXPLAIN on relations +After reading this guide, you will know: + +* Find records using a variety of methods and conditions. +* Specify the order, retrieved attributes, grouping, and other properties of the found records. +* Use eager loading to reduce the number of database queries needed for data retrieval. +* Use dynamic finders methods. +* Check for the existence of particular records. +* Perform various calculations on Active Record models. +* Run EXPLAIN on relations. -------------------------------------------------------------------------------- @@ -466,7 +468,7 @@ The field name can also be a string: Client.where('locked' => true) ``` -In the case of a belongs_to relationship, an association key can be used to specify the model if an ActiveRecord object is used as the value. This method works with polymorphic relationships as well. +In the case of a belongs_to relationship, an association key can be used to specify the model if an Active Record object is used as the value. This method works with polymorphic relationships as well. ```ruby Post.where(author: author) |