Q2. Which three statements are true about the Oracle Data Dictionary?
Q2. Which three statements are true about the Oracle Data Dictionary? (Choose three.)
- (A). Data dictionary views are created by joins of dictionary base tables and DBA-defined tables
- (B). The data dictionary is created and maintained by the database administrator
- (C). Views with the same name but different prefixes, such as CDB, DBA, ALL and USER, reference the same base tables from the data dictionary
- (D). Base tables can be queried directly
- (E). It is owned by the SYSTEM user
- (F). Usernames of all users including database administrators are stored in the data dictionary
Xem thêm:
- Chế độ FORCE LOGGING trong Oracle Database
- Q136. Examine this configuration: PDB1 and PDB2 are pluggable databases in CDB1. You execute these commands successfully
- Q163 Which two statements are true regarding Oracle database space management within blocks managed by Automatic Segment Space Management (ASSM)?
- Dynamic Performance Views Oracle Database
- Tâm Lý Thị Trường Tác Động Như Thế Nào Đến Giá Bitcoin?
Bài viết cùng chủ đề:
-
Q166 Which query produces output for CUST_LAST_NAME containing Oder for the first row and Aus for the second?
-
Q165 Which three statements are true about multiple row subqueries?
-
Q164 As the DBA, you execute this command
-
Q163 Which two statements are true regarding Oracle database space management within blocks managed by Automatic Segment Space Management (ASSM)?
-
Q162 You start your database instance in NOMOUNT state, Which two actions are performed?
-
Q161 Examine this command Which two statements are true?
-
Q160 Examine the description of the BOOKS_TRANSACTIONS table
-
Q159 Which two statements are true about views?
-
Q158. Which two Oracle database space management features require the use of locally managed tablespaces?
-
Q157. Which three are types of segments in a Oracle database?
-
Q156 Which two statements are true about expressions using PROMO_BEGIN_DATE contained in a query?
-
Q155 Which four statements are true regarding primary and foreign key constraints and the effect they can have on table data?
-
Q154 l Which two are benefits of external tables?
-
Q153 Which three statements are true about the DESCRIBE command?
-
Q152 Which two are true about transactions in the Oracle Database?
-
Q151 Examine the description of the PRODUCTS table
