code: private String getCreateTableSQL(String columns, String references, String uniqueColumns) {
  		StringBuilder builder = new StringBuilder();
  		builder.append("CREATE TABLE ").append(getTableName()).append("(");
  		builder.append(columns);
  		builder.append(references);
  		builder.append("UNIQUE (").append(uniqueColumns).append(") ON CONFLICT REPLACE");
  		builder.append(");");
  		return builder.toString();
  	}
docs: Creates the SQL statement to create the table using given columns definitions.
  
  @param columns columns definitions.
  @param references reference constraints.
  @param uniqueColumns unique constraints.
  @return SQL statement.