public static List<String> buildAddColumnsSql(final String tableName, final List<OracleColumnInfo> columnList) {
        final List<String> resultList = new ArrayList<>();
        final StringBuilder sqlBuilder = new StringBuilder();
        columnList.forEach(columnInfo -> {
            resultList.add(sqlBuilder.append("ALTER TABLE \"")
                    .append(tableName)
                    .append("\" ADD \"")
                    .append(columnInfo.getName())
                    .append("\" ")
                    .append(columnInfo.getType())
                    .append(" ")
                    .toString());
            sqlBuilder.delete(0, sqlBuilder.length());
        });

        resultList.addAll(getColumnsComment(tableName, columnList));
        LOGGER.info("add columns sql={}", resultList);
        return resultList;
    }
Build add columns SQL.

@param tableName Oracle table name
@param columnList Oracle column list {@link List}
@return add column SQL string list
inlong-manager/manager-service/src/main/java/org/apache/inlong/manager/service/resource/sink/oracle/OracleSqlBuilder.java