public void dropDatabase(String name, boolean deleteData, boolean ignoreUnknownDb)
      throws HiveException, NoSuchObjectException {
    dropDatabase(name, deleteData, ignoreUnknownDb, false);
  }
Drop a database
@param name
@param deleteData
@param ignoreUnknownDb if true, will ignore NoSuchObjectException
@throws HiveException
@throws NoSuchObjectException
ql/src/java/org/apache/hadoop/hive/ql/metadata/Hive.java