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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.
A number far away from most of the numbers in a set of data?
what are numbers that are far from a data set
