diff --git a/.travis.yml b/.travis.yml
index 3f6ee5c..cc4b9f0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -40,7 +40,10 @@ matrix:
           packages:
             - openjdk-6-jdk
       script:
-        - mvn test -B '-DjdbcUrl1=jdbc:postgresql:test_db' '-DjdbcUrl2=jdbc:mariadb://127.0.0.1:3306/test_db?user=root'
+        - mvn -B -pl '!test' clean install || travis_terminate 1;
+        - mvn -B -pl test clean test '-DjdbcUrl1=jdbc:postgresql:test_db' '-DjdbcUrl2=jdbc:mariadb://127.0.0.1:3306/test_db?user=root' || travis_terminate 1;
+        - mvn -B -pl test clean test --settings .travis-settings.xml -P oracle '-DjdbcUrl=derby' || travis_terminate 1; # todo: change jdbcUrl to actual oracle datasource
+        - mvn -B -pl test clean test -P unnest '-DjdbcUrl=hsqldb' || travis_terminate 1;
       jdk: openjdk6
     - env: JDK='OpenJDK 7'
       jdk: openjdk7