Difference Between Primary and Secondary Data
Difference between Primary and Secondary Data. The primary key is the minimum set of traits that distinguishes any row of a table. 22 Primary Data Vs Secondary Data Infographic Secondary Data Research Skills Infographic Secondary index may be generated from a field which is a candidate key and has a unique value in every record or a non-key with duplicate values. . Definition of Primary Memory. Visit to know more on Primary key Vs Unique key. Its like a hierarchy of comprehensive storage solution for fast access to computer resources. The instructions that have to be currently executed is copied to the primary memory because CPU can directly access the data from primary memory. Primary DNS servers host original zone files and distribute copies to secondary servers. Primary memory is the computer memory that is directly accessible by CPU. Comparing primary and secondary storage devices Primary storage devic