Q42 Which three statements are true regarding indexes?
Q42 Which three statements are true regarding indexes? (Choose three.)
- (A). A UNIQUE index can be altered to be non-unique
- (B). A SELECT statement can access one or more indices without accessing any tables
- (C). A table belonging to one user can have an index that belongs to a different user
- (D). An update to a table can result in updates to any or all of the table’s indexes
- (E). When a table is dropped and is moved to the RECYCLE BIN, all indexes built on that table are permanently dropped
- (F). An update to a table can result in no updates to any of the table’s indexes
Xem thêm:
- Quản trị User trong oracle database
- Q7. Which three capabilities require the use of the RMAN recovery catalog?
- Q151. For which two tasks can you use the DBMS_PDB.DESCRIBE procedure?
- Using the Alert Log and Trace Files (Quản trị Alert Log và Trace Files)
- Q102 Which two statements are true about the BIG_TBS tablespace?
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
