click below
click below
Normal Size Small Size show me how
Lesson 6 Objective
Ciw EXAM
| Question | Answer |
|---|---|
| Database? | an organized collection of information that pertains to a particular subject or purpose |
| Relational database? | a database that contains multiple tables related through common fields |
| Table? | a collection of data about a specific topic, organized into columns and rows |
| Field? | a category of information in a table |
| Record? | a collection of information consisting of one or more related fields about a specific entity |
| Common field? | a field, contained in two or more tables, that forms a relationship between the tables |
| Relationship? | a connection between two or more tables based on a common field |
| Primary key? | a field containing a value that uniquely identifies each record in a table |
| Foreign key? | a field in a related table that refers to the primary key in another table |
| Search engine? | uses a robot or spider program to browse the Web following hyperlinks, and index the content that it finds |
| Information portal? | only finds Web sites based on manual submissions |
| Common operators are? | AND, OR, NOT, NEAR, FAR, BEFORE, ADJ (adjacent) Plus sign ( + ) Minus sign ( - ) Brackets ( [ ] ) Quotation marks ( " " ) Asterisk ( * ) Period ( . ) |
| Popular? | generally bases information on secondary resources |
| Scholarly? | bases its research on primary resources |