code: protected String createInsertStatementStr(String databaseName, String table) {
      return String.format(INSERT_STATEMENT_PREFIX_FORMAT, databaseName, table, JOINER_ON_COMMA.join(this.columnNames));
    }
docs: Populates the placeholders and constructs the prefix of batch insert statement
  @param databaseName name of the database
  @param table name of the table
  @return {@link #INSERT_STATEMENT_PREFIX_FORMAT} with all its resolved placeholders