public String buildDualQueryStatement(String[] column) {
        StringBuilder sb = new StringBuilder("SELECT ");
        String collect = Arrays.stream(column)
                .map(col -> wrapperPlaceholder(col) + quoteIdentifier(col))
                .collect(Collectors.joining(", "));
        sb.append(collect).append(" FROM DUAL");
        return sb.toString();
    }
build select sql , such as (SELECT ? "A",? "B" FROM DUAL)

@param column   destination column
@return
oracle/oracle-sink/src/main/java/com/dtstack/flink/sql/sink/oracle/OracleDialect.java