... VLDB Very Large DataBase 甚年夜型数据库 VLF Variable-Length Field 变长字段 VLGB Very Large Graphics Bases 甚年夜型图形库 ...
基于24个网页-相关网页
对于每个非空的变长字段，记录头使用一或两个字节包含了列的长度。
For each non-NULL variable-length field, the record header contains the length of the column in one or two bytes.
从设计角度来看，这使得factors方法变长了，但这避免了factors字段从方法中漏出。
From a design standpoint, it makes the factors method longer, but it prevents the factors field from "leaking out" of the method.
使用一系列固定格式的扩展头部取代了IPV 4中可变长度的选项字段。
Using a series of fixed format extension head replaced IPV4 variable-length options in the fields.
应用推荐