第一步:查看oracle中有没有执行权限
--查看是否有这个包
SELECT *
FROM ALL_OBJECTS
WHERE OBJECT_NAME = 'DBMS_CRYPTO' AND OBJECT_TYPE = 'PACKAGE';
--查看是否有这个包的执行权限
SELECT * FROM USER_TAB_PRIVS WHERE TABLE_NAME = 'DBMS_CRYPTO';
第二步:如果上述SQL均能查到内容,即可计算oracle的MD5值;
SELECT
RAWTOHEX(DBMS_CRYPTO.HASH(UTL_RAW.CAST_TO_RAW(FLEX_VALUE_SET_ID || FLEX_VALUE_ID || FLEX_VALUE), 2))
FROM
FLEX_VALUES
order by
FLEX_VALUE_SET_ID,
FLEX_VALUE_ID;
第三步:查询starRocks表字段的MD5值,然后进行比较。
SELECT
UPPER(MD5(
CONCAT(
CAST(FLEX_VALUE_SET_ID AS VARCHAR),
CAST(FLEX_VALUE_ID AS VARCHAR),
CAST(FLEX_VALUE AS VARCHAR)
)
)) AS md5_hash
FROM
ODS.FLEX_VALUES
order by
FLEX_VALUE_SET_ID,
FLEX_VALUE_ID;