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In a relational database, the three basic operations used to develop useful sets of data are?
select, project, and join
Difference between variable and constants in visual basic?
"Memory locations that hold data that can be changed during project execution are called variables; locations that hold data that cannot change during execution are called constants"
What is rough estimation?
A Rough Cost Estimate is an initial estimate that uses prior experience and other non-project data to estimate the cost of a project. It is also called a Rough Order of Magnitude (ROM) estimate, or a Conceptual Estimate. The Rough Cost Estimate is used for project screening, or deciding which among several projects to proceed with.
How do you manipulate a data in a database?
You can manipulate data in a database by using the DML - Data Manipulation Language statements. These include:InsertUpdate andDeleteBy using these 3 statements you can manipulate the data in a database.
What is primitive and composite data types in DBMS?
a composite data type is any data type which can be constructed in a program using its programming language's primitive data types and other composite types. The act of constructing a composite type is known as composition.
What services does Yahoo Finance India provide?
Yahoo Finance India provides information regarding the financial market. It gives updates as to the stock market and data regarding investments which someone may wish to make.
What is external secondary data?
External secondary data - data that is obtained outside the firm itself.
Sources of secondary data?
Secondary data is a data collected by someone other than the user. Secondary data for social science include censuses and organizational records.
What is secondary data in marketing?
Secondary data is data that was collected from someone else an already exists for a different purpose. Using secondary data is usually the easiest and cost effective way of gaining data for marketing.
What is the specialities of Indian certificate of secondary education?
Indian sysem of secondary education allows data to be retained in memory and those clever enough to be able to apply their knowledge can be an asset in any project they undertake. Neena
Where can one receive secondary data?
You can receive secondary data online from sources such as Censuses and qualitative research. You can learn more information about Secondary Data online at the Wikipedia.
Example of secondary data?
Secondary data is data collected from other sources than your own such as reference books or the Internet.
Primary data and secondary data?
primary data is where you get o fact off a computer or from a book secondary data is where you get a fact of someone and it might not be true
Primary data secondary data?
primary data structures
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.
Differences between primary data and secondary data?
Primary data is data that is collected by the researcher. Secondary data is information that has been collected by someone other than the user.
What is the differnce between primary and secondary data?
Primary data is the the data that collected by yourself. While secondary data is those collected by others and to be reused by yourself.
