private void cleanup() throws SQLException {
    for (DataSource dataSource : namedBlobDb.getDataSources().values()) {
      try (Connection connection = dataSource.getConnection()) {
        try (Statement statement = connection.createStatement()) {
          statement.executeUpdate("DELETE FROM named_blobs_v2");
        }
      }
    }
  }
Empties the accounts and containers tables.
@throws SQLException throw any SQL related exception
ambry-named-mysql/src/integration-test/java/com/github/ambry/named/MySqlNamedBlobDbIntergrationBase.java