- 可變長度數(shù)據(jù)
- 可變長數(shù)據(jù)
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variable length data中文什么意思
例句與用法
- If you specify a variable length data type , you must also specify the maximum
如果指定可變長度的數(shù)據(jù)類型，則必須也指定最大的 - It limits the number of characters that are returned for the large variable length data types
限制為較大的可變長度數(shù)據(jù)類型返回的字符數(shù)： - Specifies whether to execute the query with the option that avoids truncation of large variable length data types
指定是否使用可避免截斷大型可變長度數(shù)據(jù)類型（ varchar ( max ) - A tagged message also has the space overhead of allocating variable length data elements to store the retrieved data values
帶標(biāo)記的消息還需要分配可變長度的數(shù)據(jù)元素來存儲檢索數(shù)據(jù)值而帶來的空間開銷。 - The data objects are first digested a digest is fixed - length representation of a variable length data object and is created using an algorithm like sha - 1 and the resulting value is placed in an element with other information
。在這種攻擊中，密碼專家可以用某種方式選擇加密的消息，并查看其加密后的版本。目的是確定用于解密消息的密鑰。