Secondary information refers to data or knowledge that has been collected or analyzed by someone else, rather than firsthand by the individual using it. This information is usually obtained from sources such as books, journals, databases, or other published materials. It is used to support or complement primary research or analysis.
primary information is the information/data that you collected and secondary information is the data/information that is collected by someone else but you are using it.
secondary source
Primary source information is original material,Secondary sources analyze and interpret primary sources
It is primary information because it shows information from that time
Primary information is information collected through research that does not already exist (surveys, questionnaires, interviews, observations, etc). Primary information is the product of primary research. Secondary information is information previously gathered and presented in finished terms (not raw data). Secondary information can come from books, scientific journals, dissertations, case studies, etc. It is the product of secondary research.
Is costlier than secondary information.
Primary sources of information are great because they are first hand information from someone who was there. Secondary sources are based on primary sources, and may be biased.
Primary topics are often secondary sources. Secondary sources analyze in review or summarize information.
It is a good idea to confirm your data with a secondary source.
Secondary keys are the database keys that hold the physical location of a portion of a record in a database or file. They provide a secondary way of accessing the information.
One can find information on CBSE, or the Central Board of Secondary Education by contacting secondary education institutions and requesting information.
Information about secondary containment can be found from many different online resources. Some examples of these resources include the websites Grainger and Spill Containment.