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tweaks for #31704 [ci skip]

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* rDBMS -> RDBMS. There is only place using rDBMS.
* a SQL -> an SQL
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Ryuta Kamizono 2018-01-24 09:11:18 +09:00
parent 97e9331317
commit e08e745345
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guides/source/active_record_basics.md
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@ -45,7 +45,7 @@ relationships of the objects in an application can be easily stored and
retrieved from a database without writing SQL statements directly and with less
overall database access code.
NOTE: If you are not familiar enough with relational database management systems (rDBMS) or structured query language (SQL), please go through [this tutorial](https://www.w3schools.com/sql/default.asp) (or [this one](http://www.sqlcourse.com/)) or study them by other means. Understanding how relational databases work is crucial to understanding Active Records and Rails in general.
NOTE: If you are not familiar enough with relational database management systems (RDBMS) or structured query language (SQL), please go through [this tutorial](https://www.w3schools.com/sql/default.asp) (or [this one](http://www.sqlcourse.com/)) or study them by other means. Understanding how relational databases work is crucial to understanding Active Records and Rails in general.
### Active Record as an ORM Framework
@ -144,7 +144,7 @@ end
This will create a `Product` model, mapped to a `products` table at the
database. By doing this you'll also have the ability to map the columns of each
row in that table with the attributes of the instances of your model. Suppose
that the `products` table was created using a SQL (or one of its extensions) statement like:
that the `products` table was created using an SQL (or one of its extensions) statement like:
```sql
CREATE TABLE products (