For example, a particular service might generate the customer ID as integer values, but the target service expects the ID in a different format using a combination of characters and integers.
例如,某个特定服务可能将客户id生成为整数值,但目标服务期望ID为组合使用字符和整数的格式。
But it is possible to attack the hashed value of your password using rainbow tables: enormous, pre-computed hash values for every possible combination of characters.
但是有可能通过rainbow表去攻击密码的hash值:预先计算出来的数量庞大的hash值,涵盖所有可能的字符组合。
In combination with the data types that use UTF-8 encoding, functions like SUBSTR and LENGTH still work with bytes and not with characters.
在与使用UTF - 8编码的数据类型结合使用时,SUBSTR和LENGTH等函数仍然处理字节而不是字符。
应用推荐