Many databases offer a WITHIN or NEAR operator for finding records in which the two terms occur in relative proximity to one another.
举一反三
- Proximity searching is best used as a means of finding passages in a bibliographic database in which two topics are discussed in relation to one another.
- Which quality on the trust spider is absolutely essential if two people are to learn to trust one another?
- Many—if not most—protein molecules are _______: they can adopt two or more slightly different conformations, and their activity can be regulated by a shift from one to another.
- Two identical records can be stored in one table of database.
- The video one borrowed must be returned ______. A: within a month B: within two weeks C: within one week D: within five days