Describe how data stored in a relational model is retrieved from tables
Data stored in a relational model is retrieved from tables by using operations that pick and combine data from one or more tables. There are several operations, such as select, project, join, intersect, union, and difference. The first three are the most commonly used.
You might also like to view...
A person's ________ consist(s) of all the groups that have a direct (face-to-face) or indirect influence on his/her attitudes or behavior
A) subculture B) family C) social class D) reference groups E) social networks
To best gauge how employees and stakeholders are responding to a change in the business, the most current information will be found where?
A) Annual reports B) Marketing reports C) Customer surveys D) Blogs and microblogs E) News releases
A way to account for petty cash by maintaining a constant balance in the petty cash account and which at any time requires that cash plus petty cash tickets must total the amount allocated to the petty cash fund, is known as the ________.
A) control system B) voucher system C) balanced system D) imprest system
Where a party has been induced by fraud to enter a contract, the Restatement of Torts permits the injured party to recover out-of-pocket damages but expressly excludes recovery of benefit-of-the-bargain damages
a. True b. False Indicate whether the statement is true or false