Q8. Which query requires explicit data type conversion?
Q8. Examine the description of the EMPLOYEES table:
NLS_DATE_FORMAT is set to DD-MON-YY.
Which query requires explicit data type conversion?
- (A). SELECT dept_id, AVG(MAX(salary)) FROM employees GROUP BY dept_id;
- (B). SELECT dept_id, join_date, SUM(salary) FROM employees GROUP BY dept_id;
- (C). SELECT dept_id, join_date, SUM(salary) FROM employees GROUP BY dept_id, join_date;
- (D). SELECT dept_id, MAX(AVG(salary)) FROM employees GROUP BY dept_id;
Xem thêm:
- AI trong nông nghiệp: Tăng năng suất và tối ưu hóa quy trình
- Oracle Data Guard FAILOVER sử dụng DGMGRL Utility Oracle Data Guard 19c
- Data Modeling là gì?
- Q34. Which three are true about using Database Resource Manager in an Oracle multitenant environment?
- Q168 After a system crash, an instance restart and an attempted opening of the PDBs result in
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
