diff -r 10c9b9e54622 -r 574cd7fbb5b2 java/sql-dk/src/info/globalcode/sql/dk/SQLType.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/java/sql-dk/src/info/globalcode/sql/dk/SQLType.java	Thu Dec 26 11:58:14 2013 +0100
@@ -0,0 +1,61 @@
+/**
+ * SQL-DK
+ * Copyright © 2013 František Kučera (frantovo.cz)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package info.globalcode.sql.dk;
+
+import java.sql.Types;
+
+/**
+ *
+ * @author Ing. František Kučera (frantovo.cz)
+ */
+public enum SQLType {
+
+	VARCHAR(Types.VARCHAR),
+	BOOLEAN(Types.BOOLEAN),
+	INTEGER(Types.INTEGER),
+	DECIMAL(Types.DECIMAL);
+	/**
+	 * TODO: more types
+	 */
+	private int code;
+
+	private SQLType(int code) {
+		this.code = code;
+	}
+
+	/**
+	 * @see java.sql.Types.Types
+	 */
+	public int getCode() {
+		return code;
+	}
+
+	/**
+	 * @param code see {@linkplain java.sql.Types.Types}
+	 * @return found SQLType
+	 * @throws IllegalArgumentException if no data type has given code
+	 */
+	public SQLType valueOf(int code) {
+		for (SQLType t : values()) {
+			if (t.code == code) {
+				return t;
+			}
+		}
+		throw new IllegalArgumentException("No data type has code: " + code);
+	}
+}