Renamed 'LOCAL_DATABASE' environment variable to avoid confusing

Author: Artis Abolts

README.md

@@ -172,7 +172,7 @@ Review `spec/spec_helper.rb` to see default schema/user names and database names
 
 * Run tests with local Vagrant based Oracle XE database
 
-        LOCAL_DATABASE=Y rake spec
+        USE_VM_DATABASE=Y rake spec
 
 * Run tests with other Oracle database
 

spec/spec_helper.rb

@@ -27,7 +27,7 @@
 # in spec/support/ and its subdirectories.
 Dir[File.join(File.dirname(__FILE__), 'support/**/*.rb')].each {|f| require f}
 
-if ENV['LOCAL_DATABASE'] == 'Y'
+if ENV['USE_VM_DATABASE'] == 'Y'
   DATABASE_NAME = 'XE'
 else
   DATABASE_NAME = ENV['DATABASE_NAME'] || 'orcl'
@@ -44,7 +44,7 @@
 # specify which database version is used (will be verified in one test)
 DATABASE_VERSION = ENV['DATABASE_VERSION'] || '10.2.0.4'
 
-if ENV['LOCAL_DATABASE'] == 'Y'
+if ENV['USE_VM_DATABASE'] == 'Y'
   RSpec.configure do |config|
     config.before(:suite) do
       TestDb.build