Q119 Which two statements are true about the DUAL table? (Choose two.)
- (A). It can be accessed only by the SYS user
- (B). It consists of a single row and single column of VARCHAR2 data type
- (C). It can display multiple rows but only a single column
- (D). It can be used to display only constants or pseudo columns
- (E). It can be accessed by any user who has the SELECT privilege in any schema
- (F). It can display multiple rows and columns
Xem thêm:
- Standard Auditing trong Oracle Database
- Q71 The SCOTT/TIGER user exists in two databases, BOSTON_DB and DALLAS_DB, in two different locations
- Rman Restore database khi mất Online Redo logfile Oracle Database 19c
- Cài đặt Oracle Data guard sử dụng Oracle Enterprise Manager cloud control OEM
- Table là gì?
