ISAM Indexed Sequential Access Method 索引顺序存取方法 学习了:https://baike.baidu.com/item/ISAM/3013855 是IBM发展起来的文件系统;可以任意或者连续的记录任何访问。
Indexed sequential access methodalso known as ISAM method, is an upgrade to the conventionalsequential file organizationmethod. You can say that it is an advanced version of sequential file organization method. In this method, primary key of the record is stored with an address, this address is ...
What is ISAM (Indexed Sequential Access Method)? ISAM (Indexed Sequential Access Method) is a file management system developed at IBM in the 1960s to access records either sequentially, in the order they were entered or randomly with an index. Each index defines a different ordering of the ...
6) index sequential access method 索引顺序存取法 例句>> 补充资料:链式索引法 根据文献主题及其在文献分类表中所对应的类链(具有从属关系的一系列类目) 编制主题索引的方法。通常用于编制分类表索引、分类目录主题索引及主题目录。链式索引法是印度S.R.阮冈纳赞在《图书馆目录理论》一书中最早提出的,1950～1970年...
5) hierarchical indexed sequential access method (HISAM) 层次索引顺序存取方法6) indexes sequential access method ,ISAM 索引顺序存取方法补充资料:顺序存取存储器 存取信息时,只能按存储单元的位置,顺序地一个接一个地进行存取的存储器。最典型的是磁带存储器。 说明:补充资料仅用于学习参考,请勿用于其它...