diff --git a/gradle.properties b/gradle.properties
index 5cd152b..428c87e 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,6 +1,6 @@
 group = org.xbib
 name = database
-version = 0.0.2
+version = 0.0.3
 
 org.gradle.warning.mode = ALL
 
diff --git a/jdbc-query/src/main/java/org/xbib/jdbc/query/DatabaseProvider.java b/jdbc-query/src/main/java/org/xbib/jdbc/query/DatabaseProvider.java
index 28d0f02..b191692 100644
--- a/jdbc-query/src/main/java/org/xbib/jdbc/query/DatabaseProvider.java
+++ b/jdbc-query/src/main/java/org/xbib/jdbc/query/DatabaseProvider.java
@@ -4,6 +4,8 @@ import org.xbib.jdbc.connection.pool.PoolConfig;
 import org.xbib.jdbc.connection.pool.PoolDataSource;
 import org.xbib.jdbc.query.util.Metric;
 
+import javax.sql.DataSource;
+import java.io.Closeable;
 import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStreamReader;
@@ -41,9 +43,9 @@ public final class DatabaseProvider implements Supplier<Database> {
     
     private Database database = null;
 
-    public DatabaseProvider(Supplier<Connection> connectionProvider, Options options) {
+    private DatabaseProvider(Supplier<Connection> connectionProvider, Options options) {
         if (connectionProvider == null) {
-            throw new IllegalArgumentException("Connection provider cannot be null");
+            throw new IllegalArgumentException("connection provider cannot be null");
         }
         this.connectionProvider = connectionProvider;
         this.options = options;
@@ -72,22 +74,21 @@ public final class DatabaseProvider implements Supplier<Database> {
      *
      * <p>The database flavor will be guessed based on the URL.</p>
      *
-     * <p>A database pool will be created using HikariCP.</p>
+     * <p>A database pool will be created using jdbc-connection-pool.</p>
      */
-    public static Builder pooledBuilder(Config config) throws ClassNotFoundException, InvocationTargetException, NoSuchMethodException, InstantiationException, IllegalAccessException {
-        return fromPoolDataSource(createPoolDataSource(config), getFlavor(config));
+    public static Builder builder(Config config) throws ClassNotFoundException, InvocationTargetException, NoSuchMethodException, InstantiationException, IllegalAccessException {
+        return builder(createDataSource(config), getFlavor(config));
     }
 
     /**
      * Use an externally configured DataSource and a Flavor.
      */
-    
-    public static Builder fromPoolDataSource(PoolDataSource ds, Flavor flavor) {
+    public static Builder builder(DataSource ds, Flavor flavor) {
         return new BuilderImpl(ds, () -> {
             try {
                 return ds.getConnection();
             } catch (Exception e) {
-                throw new DatabaseException("Unable to obtain a connection from the DataSource", e);
+                throw new DatabaseException("unable to obtain a connection from the DataSource", e);
             }
         }, new OptionsDefault(flavor));
     }
@@ -97,9 +98,8 @@ public final class DatabaseProvider implements Supplier<Database> {
      * the JDBC standard DriverManager method. The url parameter will be inspected
      * to determine the Flavor for this database.
      */
-    
-    public static Builder fromDriverManager(String url) {
-        return fromDriverManager(url, Flavor.fromJdbcUrl(url), null, null, null);
+    public static Builder builder(String url) {
+        return builder(url, Flavor.fromJdbcUrl(url), null, null, null);
     }
 
     /**
@@ -109,14 +109,8 @@ public final class DatabaseProvider implements Supplier<Database> {
      * @param flavor use this flavor rather than guessing based on the url
      */
     
-    public static Builder fromDriverManager(String url, Flavor flavor) {
-        return fromDriverManager(url, flavor, null, null, null);
-    }
-
-    public static Builder fromDriverManager(Config config) {
-        return fromDriverManager(config.getString("database.url"),
-                config.getString("database.user"),
-                config.getString("database.password"));
+    public static Builder builder(String url, Flavor flavor) {
+        return builder(url, flavor, null, null, null);
     }
 
     /**
@@ -125,8 +119,8 @@ public final class DatabaseProvider implements Supplier<Database> {
      * to determine the Flavor for this database.
      */
     
-    public static Builder fromDriverManager(String url, Properties info) {
-        return fromDriverManager(url, Flavor.fromJdbcUrl(url), info, null, null);
+    public static Builder builder(String url, Properties info) {
+        return builder(url, Flavor.fromJdbcUrl(url), info, null, null);
     }
 
     /**
@@ -136,8 +130,8 @@ public final class DatabaseProvider implements Supplier<Database> {
      * @param flavor use this flavor rather than guessing based on the url
      */
     
-    public static Builder fromDriverManager(String url, Flavor flavor, Properties info) {
-        return fromDriverManager(url, flavor, info, null, null);
+    public static Builder builder(String url, Flavor flavor, Properties info) {
+        return builder(url, flavor, info, null, null);
     }
 
     /**
@@ -146,8 +140,8 @@ public final class DatabaseProvider implements Supplier<Database> {
      * to determine the Flavor for this database.
      */
     
-    public static Builder fromDriverManager(String url, String user, String password) {
-        return fromDriverManager(url, Flavor.fromJdbcUrl(url), null, user, password);
+    public static Builder builder(String url, String user, String password) {
+        return builder(url, Flavor.fromJdbcUrl(url), null, user, password);
     }
 
     /**
@@ -157,18 +151,18 @@ public final class DatabaseProvider implements Supplier<Database> {
      * @param flavor use this flavor rather than guessing based on the url
      */
     
-    public static Builder fromDriverManager(String url,
-                                            Flavor flavor,
-                                            String user,
-                                            String password) {
-        return fromDriverManager(url, flavor, null, user, password);
+    public static Builder builder(String url,
+                                  Flavor flavor,
+                                  String user,
+                                  String password) {
+        return builder(url, flavor, null, user, password);
     }
 
-    private static Builder fromDriverManager(String url,
-                                             Flavor flavor,
-                                             Properties info,
-                                             String user,
-                                             String password) {
+    private static Builder builder(String url,
+                                   Flavor flavor,
+                                   Properties info,
+                                   String user,
+                                   String password) {
         Options options = new OptionsDefault(flavor);
         try {
             DriverManager.getDriver(url);
@@ -176,7 +170,7 @@ public final class DatabaseProvider implements Supplier<Database> {
             try {
                 Class.forName(Flavor.driverForJdbcUrl(url));
             } catch (ClassNotFoundException e1) {
-                throw new DatabaseException("Couldn't locate JDBC driver - try setting -Djdbc.drivers=some.Driver", e1);
+                throw new DatabaseException("couldn't locate JDBC driver - try setting -Djdbc.drivers=some.Driver", e1);
             }
         }
         return new BuilderImpl(null, () -> {
@@ -188,14 +182,13 @@ public final class DatabaseProvider implements Supplier<Database> {
                 }
                 return DriverManager.getConnection(url);
             } catch (Exception e) {
-                throw new DatabaseException("Unable to obtain a connection from DriverManager", e);
+                throw new DatabaseException("unable to obtain a connection from DriverManager", e);
             }
         }, options);
     }
 
     /**
      * Configure the database from up to five properties read from a file:
-     * <br/>
      * <pre>
      *   database.url=...      Database connect string (required)
      *   database.user=...     Authenticate as this user (optional if provided in url)
@@ -209,16 +202,15 @@ public final class DatabaseProvider implements Supplier<Database> {
      * </pre>
      * <p>This will use the JVM default character encoding to read the property file.</p>
      *
-     * @param filename path to the properties file we will attempt to read
+     * @param propertyFileName path to the properties file we will attempt to read
      * @throws DatabaseException if the property file could not be read for any reason
      */
-    public static Builder fromPropertyFile(String filename) {
-        return fromPropertyFile(filename, Charset.defaultCharset().newDecoder());
+    public static Builder fromPropertyFile(String propertyFileName) {
+        return fromPropertyFile(propertyFileName, Charset.defaultCharset().newDecoder());
     }
 
     /**
      * Configure the database from up to five properties read from a file:
-     * <br/>
      * <pre>
      *   database.url=...      Database connect string (required)
      *   database.user=...     Authenticate as this user (optional if provided in url)
@@ -231,20 +223,20 @@ public final class DatabaseProvider implements Supplier<Database> {
      *                         guess based on the flavor if this is not provided)
      * </pre>
      *
-     * @param filename path to the properties file we will attempt to read
+     * @param propertyFileName path to the properties file we will attempt to read
      * @param decoder  character encoding to use when reading the property file
      * @throws DatabaseException if the property file could not be read for any reason
      */
-    public static Builder fromPropertyFile(String filename, CharsetDecoder decoder) {
+    public static Builder fromPropertyFile(String propertyFileName, CharsetDecoder decoder) {
         Properties properties = new Properties();
-        if (filename != null && filename.length() > 0) {
+        if (propertyFileName != null && propertyFileName.length() > 0) {
             try (
-                    FileInputStream fis = new FileInputStream(filename);
+                    FileInputStream fis = new FileInputStream(propertyFileName);
                     InputStreamReader reader = new InputStreamReader(fis, decoder)
             ) {
                 properties.load(reader);
             } catch (Exception e) {
-                throw new DatabaseException("Unable to read properties file: " + filename, e);
+                throw new DatabaseException("Unable to read properties file: " + propertyFileName, e);
             }
         }
         return fromProperties(properties, "", true);
@@ -252,7 +244,6 @@ public final class DatabaseProvider implements Supplier<Database> {
 
     /**
      * Configure the database from up to five properties read from a file:
-     * <br/>
      * <pre>
      *   database.url=...      Database connect string (required)
      *   database.user=...     Authenticate as this user (optional if provided in url)
@@ -279,7 +270,6 @@ public final class DatabaseProvider implements Supplier<Database> {
 
     /**
      * Configure the database from up to five properties read from a file:
-     * <br/>
      * <pre>
      *   database.url=...      Database connect string (required)
      *   database.user=...     Authenticate as this user (optional if provided in url)
@@ -317,7 +307,6 @@ public final class DatabaseProvider implements Supplier<Database> {
 
     /**
      * Configure the database from up to five properties read from the provided properties:
-     * <br/>
      * <pre>
      *   database.url=...      Database connect string (required)
      *   database.user=...     Authenticate as this user (optional if provided in url)
@@ -339,7 +328,6 @@ public final class DatabaseProvider implements Supplier<Database> {
 
     /**
      * Configure the database from up to five properties read from the provided properties:
-     * <br/>
      * <pre>
      *   database.url=...      Database connect string (required)
      *   database.user=...     Authenticate as this user (optional if provided in url)
@@ -367,7 +355,6 @@ public final class DatabaseProvider implements Supplier<Database> {
      * Configure the database from up to five properties read from the specified
      * properties file, or from the system properties (system properties will take
      * precedence over the file):
-     * <br/>
      * <pre>
      *   database.url=...      Database connect string (required)
      *   database.user=...     Authenticate as this user (optional if provided in url)
@@ -394,7 +381,6 @@ public final class DatabaseProvider implements Supplier<Database> {
      * Configure the database from up to five properties read from the specified
      * properties file, or from the system properties (system properties will take
      * precedence over the file):
-     * <br/>
      * <pre>
      *   database.url=...      Database connect string (required)
      *   database.user=...     Authenticate as this user (optional if provided in url)
@@ -432,7 +418,6 @@ public final class DatabaseProvider implements Supplier<Database> {
      * Configure the database from up to five properties read from the specified
      * properties file, or from the system properties (system properties will take
      * precedence over the file):
-     * <br/>
      * <pre>
      *   database.url=...      Database connect string (required)
      *   database.user=...     Authenticate as this user (optional if provided in url)
@@ -463,7 +448,6 @@ public final class DatabaseProvider implements Supplier<Database> {
      * Configure the database from up to five properties read from the specified
      * properties file, or from the system properties (system properties will take
      * precedence over the file):
-     * <br/>
      * <pre>
      *   database.url=...      Database connect string (required)
      *   database.user=...     Authenticate as this user (optional if provided in url)
@@ -504,7 +488,6 @@ public final class DatabaseProvider implements Supplier<Database> {
 
     /**
      * Configure the database from up to five system properties:
-     * <br/>
      * <pre>
      *   -Ddatabase.url=...      Database connect string (required)
      *   -Ddatabase.user=...     Authenticate as this user (optional if provided in url)
@@ -524,7 +507,6 @@ public final class DatabaseProvider implements Supplier<Database> {
 
     /**
      * Configure the database from up to five system properties:
-     * <br/>
      * <pre>
      *   -D{prefix}database.url=...      Database connect string (required)
      *   -D{prefix}database.user=...     Authenticate as this user (optional if provided in url)
@@ -619,25 +601,25 @@ public final class DatabaseProvider implements Supplier<Database> {
             }
         }
         if (user == null) {
-            return fromDriverManager(url, flavor);
+            return builder(url, flavor);
         } else {
-            return fromDriverManager(url, flavor, user, password);
+            return builder(url, flavor, user, password);
         }
     }
 
-    public static PoolDataSource createPoolDataSource(Config config) throws ClassNotFoundException, InvocationTargetException, NoSuchMethodException, InstantiationException, IllegalAccessException {
+    public static DataSource createDataSource(Config config)
+            throws ClassNotFoundException, InvocationTargetException, NoSuchMethodException, InstantiationException,
+            IllegalAccessException {
         String url = config.getString("database.url");
         if (url == null) {
             throw new DatabaseException("You must provide database.url");
         }
         PoolConfig poolConfig = new PoolConfig();
-        poolConfig.setPoolName(config.getString("database.pool.name", "pool-" + poolNameCounter.getAndAdd(1)));
-        String driverClassName = config.getString("database.driver.class", Flavor.driverForJdbcUrl(url));
-        poolConfig.setDriverClassName(driverClassName);
+        poolConfig.setPoolName(config.getString("database.pool.name", "database-pool-" + poolNameCounter.getAndAdd(1)));
+        poolConfig.setDriverClassName(config.getString("database.driver.class", Flavor.driverForJdbcUrl(url)));
         poolConfig.setUsername(config.getString("database.user"));
         poolConfig.setPassword(config.getString("database.password"));
-        int poolSize = config.getInteger("database.pool.size", 8);
-        poolConfig.setMaximumPoolSize(poolSize);
+        poolConfig.setMaximumPoolSize(config.getInteger("database.pool.size", 8));
         poolConfig.setAutoCommit(false);
         return new PoolDataSource(poolConfig);
     }
@@ -853,23 +835,23 @@ public final class DatabaseProvider implements Supplier<Database> {
             }
 
             @Override
-            public DatabaseProvider create() {
+            public DatabaseProvider build() {
                 return new DatabaseProvider(DatabaseProvider.this);
             }
 
             @Override
             public void transact(DbCode tx) {
-                create().transact(tx);
+                build().transact(tx);
             }
 
             @Override
             public <T> T transactReturning(DbCodeTyped<T> tx) {
-                return create().transactReturning(tx);
+                return build().transactReturning(tx);
             }
 
             @Override
             public void transact(DbCodeTx tx) {
-                create().transact(tx);
+                build().transact(tx);
             }
 
             @Override
@@ -1024,7 +1006,7 @@ public final class DatabaseProvider implements Supplier<Database> {
          * the transaction and commit/rollback/close.</p>
          */
         
-        DatabaseProvider create();
+        DatabaseProvider build();
 
         /**
          * This is a convenience method to eliminate the need for explicitly
@@ -1081,18 +1063,18 @@ public final class DatabaseProvider implements Supplier<Database> {
          */
         void transact(DbCodeTx code);
 
-        void close();
+        void close() throws IOException;
     }
 
     private static class BuilderImpl implements Builder {
 
-        private PoolDataSource ds;
+        private DataSource ds;
 
         private final Supplier<Connection> connectionProvider;
 
         private final Options options;
 
-        private BuilderImpl(PoolDataSource ds, Supplier<Connection> connectionProvider, Options options) {
+        private BuilderImpl(DataSource ds, Supplier<Connection> connectionProvider, Options options) {
             this.ds = ds;
             this.connectionProvider = connectionProvider;
             this.options = options;
@@ -1164,29 +1146,31 @@ public final class DatabaseProvider implements Supplier<Database> {
         }
 
         @Override
-        public DatabaseProvider create() {
+        public DatabaseProvider build() {
             return new DatabaseProvider(connectionProvider, options);
         }
 
         @Override
         public void transact(DbCode tx) {
-            create().transact(tx);
+            this.build().transact(tx);
         }
 
         @Override
         public <T> T transactReturning(DbCodeTyped<T> tx) {
-            return create().transactReturning(tx);
+            return this.build().transactReturning(tx);
         }
 
         @Override
         public void transact(DbCodeTx tx) {
-            create().transact(tx);
+            this.build().transact(tx);
         }
 
         @Override
-        public void close() {
+        public void close() throws IOException {
             if (ds != null) {
-                ds.close();
+                if (ds instanceof Closeable) {
+                    ((Closeable) ds).close();
+                }
                 ds = null;
             }
         }
diff --git a/jdbc-query/src/test/java/org/xbib/jdbc/query/test/DerbyTest.java b/jdbc-query/src/test/java/org/xbib/jdbc/query/test/DerbyTest.java
index 4aab5a1..861f760 100644
--- a/jdbc-query/src/test/java/org/xbib/jdbc/query/test/DerbyTest.java
+++ b/jdbc-query/src/test/java/org/xbib/jdbc/query/test/DerbyTest.java
@@ -26,8 +26,8 @@ public class DerbyTest extends CommonTest {
 
     @Override
     protected DatabaseProvider createDatabaseProvider(OptionsOverride options) {
-        return DatabaseProvider.fromDriverManager("jdbc:derby:build/testdb;create=true")
-                .withSqlParameterLogging().withSqlInExceptionMessages().withOptions(options).create();
+        return DatabaseProvider.builder("jdbc:derby:build/testdb;create=true")
+                .withSqlParameterLogging().withSqlInExceptionMessages().withOptions(options).build();
     }
 
     // TODO fix this test
diff --git a/jdbc-query/src/test/java/org/xbib/jdbc/query/test/HsqldbTest.java b/jdbc-query/src/test/java/org/xbib/jdbc/query/test/HsqldbTest.java
index ba99bc4..4c2fdc9 100644
--- a/jdbc-query/src/test/java/org/xbib/jdbc/query/test/HsqldbTest.java
+++ b/jdbc-query/src/test/java/org/xbib/jdbc/query/test/HsqldbTest.java
@@ -36,10 +36,10 @@ public class HsqldbTest extends CommonTest {
                 .excludePrefix("database.")
                 .removePrefix("hsqldb.").get();
         logger.log(Level.INFO, "config = " + config);
-        return DatabaseProvider.fromDriverManager(config)
+        return DatabaseProvider.builder(config)
                 .withSqlParameterLogging()
                 .withSqlInExceptionMessages()
-                .withOptions(options).create();
+                .withOptions(options).build();
     }
 
     @Test
diff --git a/jdbc-query/src/test/java/org/xbib/jdbc/query/test/OracleTest.java b/jdbc-query/src/test/java/org/xbib/jdbc/query/test/OracleTest.java
index 4802954..817672b 100644
--- a/jdbc-query/src/test/java/org/xbib/jdbc/query/test/OracleTest.java
+++ b/jdbc-query/src/test/java/org/xbib/jdbc/query/test/OracleTest.java
@@ -23,11 +23,11 @@ public class OracleTest extends CommonTest {
     protected DatabaseProvider createDatabaseProvider(OptionsOverride options) throws Exception {
         Properties properties = new Properties();
         properties.load(new FileReader(System.getProperty("local.properties", "local.properties")));
-        return DatabaseProvider.fromDriverManager(
+        return DatabaseProvider.builder(
                 properties.getProperty("database.url"),
                 properties.getProperty("database.user"),
                 properties.getProperty("database.password")
-        ).withSqlParameterLogging().withSqlInExceptionMessages().withOptions(options).create();
+        ).withSqlParameterLogging().withSqlInExceptionMessages().withOptions(options).build();
     }
 
     @Disabled("Current Oracle behavior is to convert -0f to 0f")
diff --git a/jdbc-query/src/test/java/org/xbib/jdbc/query/test/PostgreSqlTest.java b/jdbc-query/src/test/java/org/xbib/jdbc/query/test/PostgreSqlTest.java
index 324e424..0e983ae 100644
--- a/jdbc-query/src/test/java/org/xbib/jdbc/query/test/PostgreSqlTest.java
+++ b/jdbc-query/src/test/java/org/xbib/jdbc/query/test/PostgreSqlTest.java
@@ -22,11 +22,11 @@ public class PostgreSqlTest extends CommonTest {
     protected DatabaseProvider createDatabaseProvider(OptionsOverride options) throws IOException {
         Properties properties = new Properties();
         properties.load(new FileReader(System.getProperty("local.properties", "local.properties")));
-        return DatabaseProvider.fromDriverManager(
+        return DatabaseProvider.builder(
                 properties.getProperty("postgres.database.url"),
                 properties.getProperty("postgres.database.user"),
                 properties.getProperty("postgres.database.password")
-        ).withOptions(options).withSqlParameterLogging().withSqlInExceptionMessages().create();
+        ).withOptions(options).withSqlParameterLogging().withSqlInExceptionMessages().build();
     }
 
     /**
diff --git a/jdbc-query/src/test/java/org/xbib/jdbc/query/test/SqlServerTest.java b/jdbc-query/src/test/java/org/xbib/jdbc/query/test/SqlServerTest.java
index 6c8aa1f..9228dc0 100644
--- a/jdbc-query/src/test/java/org/xbib/jdbc/query/test/SqlServerTest.java
+++ b/jdbc-query/src/test/java/org/xbib/jdbc/query/test/SqlServerTest.java
@@ -23,10 +23,10 @@ public class SqlServerTest extends CommonTest {
                 .propertyFile(propertiesFile)
                 .excludePrefix("database.")
                 .removePrefix("sqlserver.").get();
-        return DatabaseProvider.fromDriverManager(config)
+        return DatabaseProvider.builder(config)
                 .withSqlParameterLogging()
                 .withSqlInExceptionMessages()
-                .withOptions(options).create();
+                .withOptions(options).build();
     }
 
     @Disabled("SQL Server prohibits NaN and Infinity")
diff --git a/jdbc-query/src/test/java/org/xbib/jdbc/query/test/example/DerbyExample.java b/jdbc-query/src/test/java/org/xbib/jdbc/query/test/example/DerbyExample.java
index cfc3eb6..8485dcb 100644
--- a/jdbc-query/src/test/java/org/xbib/jdbc/query/test/example/DerbyExample.java
+++ b/jdbc-query/src/test/java/org/xbib/jdbc/query/test/example/DerbyExample.java
@@ -26,7 +26,7 @@ public abstract class DerbyExample {
         try {
             System.setProperty("derby.stream.error.file", "java.lang.System.err");
             String url = "jdbc:derby:target/testdb;create=true";
-            example(DatabaseProvider.fromDriverManager(url), args);
+            example(DatabaseProvider.builder(url), args);
         } catch (Exception e) {
             e.printStackTrace();
             System.exit(1);
diff --git a/jdbc-query/src/test/java/org/xbib/jdbc/query/test/example/FakeBuilder.java b/jdbc-query/src/test/java/org/xbib/jdbc/query/test/example/FakeBuilder.java
index 0940134..a43673d 100644
--- a/jdbc-query/src/test/java/org/xbib/jdbc/query/test/example/FakeBuilder.java
+++ b/jdbc-query/src/test/java/org/xbib/jdbc/query/test/example/FakeBuilder.java
@@ -17,7 +17,7 @@ public class FakeBuilder extends DerbyExample {
         DatabaseProvider realDbp = null;
 
         try {
-            realDbp = dbb.create();
+            realDbp = dbb.build();
 
             dbb.transact(db -> {
                 // Drops in case we are running this multiple times
diff --git a/jdbc-query/src/test/java/org/xbib/jdbc/query/test/example/HelloDerby.java b/jdbc-query/src/test/java/org/xbib/jdbc/query/test/example/HelloDerby.java
index 13678de..d7bbf90 100644
--- a/jdbc-query/src/test/java/org/xbib/jdbc/query/test/example/HelloDerby.java
+++ b/jdbc-query/src/test/java/org/xbib/jdbc/query/test/example/HelloDerby.java
@@ -26,7 +26,7 @@ public class HelloDerby {
         }
 
         String url = "jdbc:derby:target/testdb;create=true";
-        DatabaseProvider.fromDriverManager(url).transact(dbp -> {
+        DatabaseProvider.builder(url).transact(dbp -> {
             Database db = dbp.get();
             db.ddl("drop table t").executeQuietly();
             db.ddl("create table t (a numeric)").execute();