diff -r 29df3b2e34df -r f32dac78d13a java/sql-dk/src/info/globalcode/sql/dk/SQLCommand.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/java/sql-dk/src/info/globalcode/sql/dk/SQLCommand.java	Sun Dec 15 19:20:50 2013 +0100
@@ -0,0 +1,17 @@
+package info.globalcode.sql.dk;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+
+/**
+ *
+ * @author Ing. František Kučera (frantovo.cz)
+ */
+public abstract class SQLCommand {
+
+	private String query;
+
+	public abstract PreparedStatement prepareStatement(Connection c);
+
+	public abstract void parametrize(PreparedStatement ps);
+}