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What is the difference between a Primary Key and a Secondary Key?
A Primary Key is a unique identifier for each record in a database table and is used to enforce entity integrity. A Secondary Key is a non-unique index that is used for querying and organizing data efficiently but does not have the constraint of uniqueness.
What is a secondary resources?
secondary resource- are usually published by books or articles by authors who were not eyewitnesses of participants.
Explain the difference between primary data and secondary data give an example of each?
Primary data is data collected firsthand, through surveys, interviews, experiments, etc. by the researcher, while secondary data is existing data that has already been collected by someone else. An example of primary data would be survey responses collected by a marketing team for a new product. An example of secondary data would be industry reports or census data obtained from a government website.
What is the difference between primary key and secondary key in database?
The primary key is the field containing unique values that aid in database operations. The secondary key is used in addition or as an alternate to the primary key. Both are candidate keys, it's just that one was chosen to be primary.
What is the difference between primary and secodary research?
Primary research involves collecting data directly from original sources through methods like surveys or experiments, while secondary research involves gathering information from existing sources like books or articles. Primary research is more time-consuming and expensive but offers firsthand insights, while secondary research is quicker and less costly but may not address specific research needs as directly.
Identify the difference between primary sector and secondary?
Identify the difference between primary sector and secondary sector
The difference between primary and secondary reserves?
what are the diffrence between primary reserve and secondary reserve?
What is the difference between primary and secondary cell?
Primary can't be recharged, secondary can be recharged.
What is the difference between primary and secondary vitamin deficiency?
what is the difference between primary and seconday vitamin deficiency
What is the difference between primary ans secondary industry?
secondary is cooler
What is the difference between primary data and secondary data Don't make it complicated please?
The difference between primary data and secondary data is that primary data is the information from the original research.
What is difference between primary and secondary card holder?
The major difference is that the Primary Account holder is responsible for all the amounts due on both the Primary Card and the Secondary Card.
What are the primary and secondary structures of aircraft?
Sorry, I want to know the difference between Primary, Secondary and Tertiary structure of aircraft
Difference between primary n secondary markets?
the difference is that primary markets are really fat. the secondary market is a skinny kid that doesnt eat candy
What is difference Between Primary and Secondary DNS?
Secondary DNS gets its records from the Primary DNS Server. The secondary DNS is essentially there in case the primary DNS doesn't respond.
Explain the difference between primary and secondary market research data give an example of each and explain how each helps define a business customer?
difference between primary and secondary market
What is the difference between primary information and secondary information?
Primary source information is original material,Secondary sources analyze and interpret primary sources
