Merge pull request #15765 from rahul100885/master

[ci skip] doc corrected : ActiveRecord::Base.connections to ActiveRecord::Base.configurations

guides/source/configuring.md

@@ -552,7 +552,7 @@ development:
 $ echo $DATABASE_URL
 postgresql://localhost/my_database
 
-$ bin/rails runner 'puts ActiveRecord::Base.connections'
+$ bin/rails runner 'puts ActiveRecord::Base.configurations'
 {"development"=>{"adapter"=>"postgresql", "host"=>"localhost", "database"=>"my_database"}}
 ```
 
@@ -569,7 +569,7 @@ development:
 $ echo $DATABASE_URL
 postgresql://localhost/my_database
 
-$ bin/rails runner 'puts ActiveRecord::Base.connections'
+$ bin/rails runner 'puts ActiveRecord::Base.configurations'
 {"development"=>{"adapter"=>"postgresql", "host"=>"localhost", "database"=>"my_database", "pool"=>5}}
 ```
 
@@ -585,7 +585,7 @@ development:
 $ echo $DATABASE_URL
 postgresql://localhost/my_database
 
-$ bin/rails runner 'puts ActiveRecord::Base.connections'
+$ bin/rails runner 'puts ActiveRecord::Base.configurations'
 {"development"=>{"adapter"=>"sqlite3", "database"=>"NOT_my_database"}}
 ```