public synchronized Dataset getDataset(short accountId, short containerId, String accountName, String containerName,
      String datasetName) throws SQLException, AccountServiceException {
    return datasetDao.getDataset(accountId, containerId, accountName, containerName, datasetName);
  }
Get dataset from the database.
@param accountId the id of the {@link Account}.
@param containerId the id of the {@link Container}
@param accountName the name of the {@link Account}.
@param containerName the name of the {@link Container}
@param datasetName the name of the dataset.
@return the {@link Dataset}
@throws SQLException
ambry-account/src/main/java/com/github/ambry/account/mysql/MySqlAccountStore.java