diff --git a/models-dao/src/test/java/org/onap/policy/models/dao/EntityTest.java b/models-dao/src/test/java/org/onap/policy/models/dao/EntityTest.java
index 863eda1..74d0636 100644
--- a/models-dao/src/test/java/org/onap/policy/models/dao/EntityTest.java
+++ b/models-dao/src/test/java/org/onap/policy/models/dao/EntityTest.java
@@ -33,6 +33,7 @@
 import java.util.TreeSet;
 import java.util.UUID;
 
+import org.eclipse.persistence.config.PersistenceUnitProperties;
 import org.junit.Test;
 import org.onap.policy.models.base.PfConceptKey;
 import org.onap.policy.models.base.PfModelException;
@@ -53,10 +54,12 @@
         final DaoParameters daoParameters = new DaoParameters();
 
         Properties jdbcProperties = new Properties();
-        jdbcProperties.setProperty("javax.persistence.jdbc.driver", "org.h2.Driver");
-        jdbcProperties.setProperty("javax.persistence.jdbc.url", "jdbc:h2:mem:testdb");
-        jdbcProperties.setProperty("javax.persistence.jdbc.user", "sa");
-        jdbcProperties.setProperty("javax.persistence.jdbc.password", "");
+        // @formatter:off
+        jdbcProperties.setProperty(PersistenceUnitProperties.JDBC_DRIVER,   "org.h2.Driver");
+        jdbcProperties.setProperty(PersistenceUnitProperties.JDBC_URL,      "jdbc:h2:mem:testdb");
+        jdbcProperties.setProperty(PersistenceUnitProperties.JDBC_USER,     "sa");
+        jdbcProperties.setProperty(PersistenceUnitProperties.JDBC_PASSWORD, "");
+        // @formatter:on
 
         daoParameters.setJdbcProperties(jdbcProperties);
 
diff --git a/models-pdp/src/test/java/org/onap/policy/models/pdp/persistence/provider/PdpProviderTest.java b/models-pdp/src/test/java/org/onap/policy/models/pdp/persistence/provider/PdpProviderTest.java
index 3b37168..ee9c76b 100644
--- a/models-pdp/src/test/java/org/onap/policy/models/pdp/persistence/provider/PdpProviderTest.java
+++ b/models-pdp/src/test/java/org/onap/policy/models/pdp/persistence/provider/PdpProviderTest.java
@@ -30,6 +30,7 @@
 import java.util.List;
 import java.util.Properties;
 
+import org.eclipse.persistence.config.PersistenceUnitProperties;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
@@ -76,16 +77,12 @@
         daoParameters.setPersistenceUnit("ToscaConceptTest");
 
         Properties jdbcProperties = new Properties();
-        jdbcProperties.setProperty("javax.persistence.jdbc.user", "policy");
-        jdbcProperties.setProperty("javax.persistence.jdbc.password", "P01icY");
+        jdbcProperties.setProperty(PersistenceUnitProperties.JDBC_USER, "policy");
+        jdbcProperties.setProperty(PersistenceUnitProperties.JDBC_PASSWORD, "P01icY");
 
-        // H2
-        jdbcProperties.setProperty("javax.persistence.jdbc.driver", "org.h2.Driver");
-        jdbcProperties.setProperty("javax.persistence.jdbc.url", "jdbc:h2:mem:testdb");
-
-        // MariaDB
-        //jdbcProperties.setProperty("javax.persistence.jdbc.driver", "org.mariadb.jdbc.Driver");
-        //jdbcProperties.setProperty("javax.persistence.jdbc.url", "jdbc:mariadb://localhost:3306/policy");
+        // H2, use "org.mariadb.jdbc.Driver" and "jdbc:mariadb://localhost:3306/policy" for locally installed MariaDB
+        jdbcProperties.setProperty(PersistenceUnitProperties.JDBC_DRIVER, "org.h2.Driver");
+        jdbcProperties.setProperty(PersistenceUnitProperties.JDBC_URL, "jdbc:h2:mem:testdb");
 
         daoParameters.setJdbcProperties(jdbcProperties );
 
diff --git a/models-provider/src/main/java/org/onap/policy/models/provider/impl/DatabasePolicyModelsProviderImpl.java b/models-provider/src/main/java/org/onap/policy/models/provider/impl/DatabasePolicyModelsProviderImpl.java
index 475e576..cd7b7f3 100644
--- a/models-provider/src/main/java/org/onap/policy/models/provider/impl/DatabasePolicyModelsProviderImpl.java
+++ b/models-provider/src/main/java/org/onap/policy/models/provider/impl/DatabasePolicyModelsProviderImpl.java
@@ -29,6 +29,7 @@
 
 import lombok.NonNull;
 
+import org.eclipse.persistence.config.PersistenceUnitProperties;
 import org.onap.policy.models.base.PfModelException;
 import org.onap.policy.models.base.PfModelRuntimeException;
 import org.onap.policy.models.dao.DaoParameters;
@@ -66,14 +67,6 @@
 
     private static final Logger LOGGER = LoggerFactory.getLogger(DefaultPfDao.class);
 
-    // Constants for persistence properties
-    // @formatter:off
-    private static final String JAVAX_PERSISTENCE_JDBC_DRIVER = "javax.persistence.jdbc.driver";
-    private static final String JAVAX_PERSISTENCE_JDBC_URL    = "javax.persistence.jdbc.url";
-    private static final String JAVAX_PERSISTENCE_JDBC_USER   = "javax.persistence.jdbc.user";
-    private static final String JAVAX_PERSISTENCE_JDBC_PWORD  = "javax.persistence.jdbc.password";
-    // @formatter:on
-
     private final PolicyModelsProviderParameters parameters;
 
     // Database connection and the DAO for reading and writing Policy Framework concepts
@@ -109,10 +102,10 @@
 
         // @formatter:off
         Properties jdbcProperties = new Properties();
-        jdbcProperties.setProperty(JAVAX_PERSISTENCE_JDBC_DRIVER, parameters.getDatabaseDriver());
-        jdbcProperties.setProperty(JAVAX_PERSISTENCE_JDBC_URL,    parameters.getDatabaseUrl());
-        jdbcProperties.setProperty(JAVAX_PERSISTENCE_JDBC_USER,   parameters.getDatabaseUser());
-        jdbcProperties.setProperty(JAVAX_PERSISTENCE_JDBC_PWORD,  decodedPassword);
+        jdbcProperties.setProperty(PersistenceUnitProperties.JDBC_DRIVER,   parameters.getDatabaseDriver());
+        jdbcProperties.setProperty(PersistenceUnitProperties.JDBC_URL,      parameters.getDatabaseUrl());
+        jdbcProperties.setProperty(PersistenceUnitProperties.JDBC_USER,     parameters.getDatabaseUser());
+        jdbcProperties.setProperty(PersistenceUnitProperties.JDBC_PASSWORD, decodedPassword);
         // @formatter:on
 
         daoParameters.setJdbcProperties(jdbcProperties);
diff --git a/models-provider/src/test/java/org/onap/policy/models/provider/PolicyModelsProviderParametersTest.java b/models-provider/src/test/java/org/onap/policy/models/provider/PolicyModelsProviderParametersTest.java
index 2f3f89c..51771ff 100644
--- a/models-provider/src/test/java/org/onap/policy/models/provider/PolicyModelsProviderParametersTest.java
+++ b/models-provider/src/test/java/org/onap/policy/models/provider/PolicyModelsProviderParametersTest.java
@@ -63,5 +63,12 @@
         pars.setPersistenceUnit("WileECoyote");
         result = pars.validate();
         assertTrue(result.isValid());
+
+        pars.setDatabaseDriver(null);
+        result = pars.validate();
+        assertFalse(result.isValid());
+        pars.setDatabaseDriver("MichaelsShumacher");
+        result = pars.validate();
+        assertTrue(result.isValid());
     }
 }
diff --git a/models-tosca/src/test/java/org/onap/policy/models/tosca/authorative/provider/AuthorativeToscaProviderPolicyTest.java b/models-tosca/src/test/java/org/onap/policy/models/tosca/authorative/provider/AuthorativeToscaProviderPolicyTest.java
index 175ea20..5ad314a 100644
--- a/models-tosca/src/test/java/org/onap/policy/models/tosca/authorative/provider/AuthorativeToscaProviderPolicyTest.java
+++ b/models-tosca/src/test/java/org/onap/policy/models/tosca/authorative/provider/AuthorativeToscaProviderPolicyTest.java
@@ -29,6 +29,7 @@
 import java.util.List;
 import java.util.Properties;
 
+import org.eclipse.persistence.config.PersistenceUnitProperties;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
@@ -67,16 +68,12 @@
         daoParameters.setPersistenceUnit("ToscaConceptTest");
 
         Properties jdbcProperties = new Properties();
-        jdbcProperties.setProperty("javax.persistence.jdbc.user", "policy");
-        jdbcProperties.setProperty("javax.persistence.jdbc.password", "P01icY");
+        jdbcProperties.setProperty(PersistenceUnitProperties.JDBC_USER, "policy");
+        jdbcProperties.setProperty(PersistenceUnitProperties.JDBC_PASSWORD, "P01icY");
 
-        // H2
-        jdbcProperties.setProperty("javax.persistence.jdbc.driver", "org.h2.Driver");
-        jdbcProperties.setProperty("javax.persistence.jdbc.url", "jdbc:h2:mem:testdb");
-
-        // MariaDB
-        //jdbcProperties.setProperty("javax.persistence.jdbc.driver", "org.mariadb.jdbc.Driver");
-        //jdbcProperties.setProperty("javax.persistence.jdbc.url", "jdbc:mariadb://localhost:3306/policy");
+        // H2, use "org.mariadb.jdbc.Driver" and "jdbc:mariadb://localhost:3306/policy" for locally installed MariaDB
+        jdbcProperties.setProperty(PersistenceUnitProperties.JDBC_DRIVER, "org.h2.Driver");
+        jdbcProperties.setProperty(PersistenceUnitProperties.JDBC_URL, "jdbc:h2:mem:testdb");
 
         daoParameters.setJdbcProperties(jdbcProperties );
 
@@ -95,7 +92,6 @@
     @After
     public void teardown() throws Exception {
         pfDao.close();
-        //connection.close();
     }
 
     @Test
diff --git a/models-tosca/src/test/java/org/onap/policy/models/tosca/authorative/provider/AuthorativeToscaProviderPolicyTypeTest.java b/models-tosca/src/test/java/org/onap/policy/models/tosca/authorative/provider/AuthorativeToscaProviderPolicyTypeTest.java
index ec1b347..6a925bc 100644
--- a/models-tosca/src/test/java/org/onap/policy/models/tosca/authorative/provider/AuthorativeToscaProviderPolicyTypeTest.java
+++ b/models-tosca/src/test/java/org/onap/policy/models/tosca/authorative/provider/AuthorativeToscaProviderPolicyTypeTest.java
@@ -31,6 +31,7 @@
 import java.util.Properties;
 
 import org.apache.commons.lang3.ObjectUtils;
+import org.eclipse.persistence.config.PersistenceUnitProperties;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.BeforeClass;
@@ -87,16 +88,12 @@
         daoParameters.setPersistenceUnit("ToscaConceptTest");
 
         Properties jdbcProperties = new Properties();
-        jdbcProperties.setProperty("javax.persistence.jdbc.user", "policy");
-        jdbcProperties.setProperty("javax.persistence.jdbc.password", "P01icY");
+        jdbcProperties.setProperty(PersistenceUnitProperties.JDBC_USER, "policy");
+        jdbcProperties.setProperty(PersistenceUnitProperties.JDBC_PASSWORD, "P01icY");
 
-        // H2
-        jdbcProperties.setProperty("javax.persistence.jdbc.driver", "org.h2.Driver");
-        jdbcProperties.setProperty("javax.persistence.jdbc.url", "jdbc:h2:mem:testdb");
-
-        // MariaDB
-        //jdbcProperties.setProperty("javax.persistence.jdbc.driver", "org.mariadb.jdbc.Driver");
-        //jdbcProperties.setProperty("javax.persistence.jdbc.url", "jdbc:mariadb://localhost:3306/policy");
+        // H2, use "org.mariadb.jdbc.Driver" and "jdbc:mariadb://localhost:3306/policy" for locally installed MariaDB
+        jdbcProperties.setProperty(PersistenceUnitProperties.JDBC_DRIVER, "org.h2.Driver");
+        jdbcProperties.setProperty(PersistenceUnitProperties.JDBC_URL, "jdbc:h2:mem:testdb");
 
         daoParameters.setJdbcProperties(jdbcProperties );
 
diff --git a/models-tosca/src/test/java/org/onap/policy/models/tosca/legacy/provider/LegacyProvider4LegacyGuardTest.java b/models-tosca/src/test/java/org/onap/policy/models/tosca/legacy/provider/LegacyProvider4LegacyGuardTest.java
index 076064c..71254ec 100644
--- a/models-tosca/src/test/java/org/onap/policy/models/tosca/legacy/provider/LegacyProvider4LegacyGuardTest.java
+++ b/models-tosca/src/test/java/org/onap/policy/models/tosca/legacy/provider/LegacyProvider4LegacyGuardTest.java
@@ -27,6 +27,7 @@
 import java.util.Map;
 import java.util.Properties;
 
+import org.eclipse.persistence.config.PersistenceUnitProperties;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
@@ -63,16 +64,12 @@
         daoParameters.setPersistenceUnit("ToscaConceptTest");
 
         Properties jdbcProperties = new Properties();
-        jdbcProperties.setProperty("javax.persistence.jdbc.user", "policy");
-        jdbcProperties.setProperty("javax.persistence.jdbc.password", "P01icY");
+        jdbcProperties.setProperty(PersistenceUnitProperties.JDBC_USER, "policy");
+        jdbcProperties.setProperty(PersistenceUnitProperties.JDBC_PASSWORD, "P01icY");
 
-        // H2
-        jdbcProperties.setProperty("javax.persistence.jdbc.driver", "org.h2.Driver");
-        jdbcProperties.setProperty("javax.persistence.jdbc.url", "jdbc:h2:mem:testdb");
-
-        // MariaDB
-        //jdbcProperties.setProperty("javax.persistence.jdbc.driver", "org.mariadb.jdbc.Driver");
-        //jdbcProperties.setProperty("javax.persistence.jdbc.url", "jdbc:mariadb://localhost:3306/policy");
+        // H2, use "org.mariadb.jdbc.Driver" and "jdbc:mariadb://localhost:3306/policy" for locally installed MariaDB
+        jdbcProperties.setProperty(PersistenceUnitProperties.JDBC_DRIVER, "org.h2.Driver");
+        jdbcProperties.setProperty(PersistenceUnitProperties.JDBC_URL, "jdbc:h2:mem:testdb");
 
         daoParameters.setJdbcProperties(jdbcProperties);
 
diff --git a/models-tosca/src/test/java/org/onap/policy/models/tosca/legacy/provider/LegacyProvider4LegacyOperationalTest.java b/models-tosca/src/test/java/org/onap/policy/models/tosca/legacy/provider/LegacyProvider4LegacyOperationalTest.java
index cc1f515..c018aae 100644
--- a/models-tosca/src/test/java/org/onap/policy/models/tosca/legacy/provider/LegacyProvider4LegacyOperationalTest.java
+++ b/models-tosca/src/test/java/org/onap/policy/models/tosca/legacy/provider/LegacyProvider4LegacyOperationalTest.java
@@ -26,6 +26,7 @@
 
 import java.util.Properties;
 
+import org.eclipse.persistence.config.PersistenceUnitProperties;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
@@ -59,16 +60,12 @@
         daoParameters.setPersistenceUnit("ToscaConceptTest");
 
         Properties jdbcProperties = new Properties();
-        jdbcProperties.setProperty("javax.persistence.jdbc.user", "policy");
-        jdbcProperties.setProperty("javax.persistence.jdbc.password", "P01icY");
+        jdbcProperties.setProperty(PersistenceUnitProperties.JDBC_USER, "policy");
+        jdbcProperties.setProperty(PersistenceUnitProperties.JDBC_PASSWORD, "P01icY");
 
-        // H2
-        jdbcProperties.setProperty("javax.persistence.jdbc.driver", "org.h2.Driver");
-        jdbcProperties.setProperty("javax.persistence.jdbc.url", "jdbc:h2:mem:testdb");
-
-        // MariaDB
-        //jdbcProperties.setProperty("javax.persistence.jdbc.driver", "org.mariadb.jdbc.Driver");
-        //jdbcProperties.setProperty("javax.persistence.jdbc.url", "jdbc:mariadb://localhost:3306/policy");
+        // H2, use "org.mariadb.jdbc.Driver" and "jdbc:mariadb://localhost:3306/policy" for locally installed MariaDB
+        jdbcProperties.setProperty(PersistenceUnitProperties.JDBC_DRIVER, "org.h2.Driver");
+        jdbcProperties.setProperty(PersistenceUnitProperties.JDBC_URL, "jdbc:h2:mem:testdb");
 
         daoParameters.setJdbcProperties(jdbcProperties );
 
diff --git a/models-tosca/src/test/java/org/onap/policy/models/tosca/simple/provider/SimpleToscaProviderTest.java b/models-tosca/src/test/java/org/onap/policy/models/tosca/simple/provider/SimpleToscaProviderTest.java
index 4ed4c5c..1f582cf 100644
--- a/models-tosca/src/test/java/org/onap/policy/models/tosca/simple/provider/SimpleToscaProviderTest.java
+++ b/models-tosca/src/test/java/org/onap/policy/models/tosca/simple/provider/SimpleToscaProviderTest.java
@@ -28,6 +28,7 @@
 
 import java.util.Properties;
 
+import org.eclipse.persistence.config.PersistenceUnitProperties;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
@@ -66,18 +67,14 @@
         daoParameters.setPersistenceUnit("ToscaConceptTest");
 
         Properties jdbcProperties = new Properties();
-        jdbcProperties.setProperty("javax.persistence.jdbc.user", "policy");
-        jdbcProperties.setProperty("javax.persistence.jdbc.password", "P01icY");
+        jdbcProperties.setProperty(PersistenceUnitProperties.JDBC_USER, "policy");
+        jdbcProperties.setProperty(PersistenceUnitProperties.JDBC_PASSWORD, "P01icY");
 
-        // H2
-        jdbcProperties.setProperty("javax.persistence.jdbc.driver", "org.h2.Driver");
-        jdbcProperties.setProperty("javax.persistence.jdbc.url", "jdbc:h2:mem:testdb");
+        // H2, use "org.mariadb.jdbc.Driver" and "jdbc:mariadb://localhost:3306/policy" for locally installed MariaDB
+        jdbcProperties.setProperty(PersistenceUnitProperties.JDBC_DRIVER, "org.h2.Driver");
+        jdbcProperties.setProperty(PersistenceUnitProperties.JDBC_URL, "jdbc:h2:mem:testdb");
 
-        // MariaDB
-        //jdbcProperties.setProperty("javax.persistence.jdbc.driver", "org.mariadb.jdbc.Driver");
-        //jdbcProperties.setProperty("javax.persistence.jdbc.url", "jdbc:mariadb://localhost:3306/policy");
-
-        daoParameters.setJdbcProperties(jdbcProperties );
+        daoParameters.setJdbcProperties(jdbcProperties);
 
         pfDao = new PfDaoFactory().createPfDao(daoParameters);
         pfDao.init(daoParameters);