Q64 Which statement is true about aggregate functions?
Q64 Which statement is true about aggregate functions?
- (A). Aggregate functions can be nested to any number of levels
- (B). The AVG function implicitly converts NULLS to zero
- (C). Aggregate functions can be used in any clause of a SELECT statement
- (D). The MAX and MIN functions can be used on columns with character data types
Xem thêm:
- Hướng dẫn Cài đặt Website với Mã nguồn có sẵn
- Snapshot Standby trong Oracle Data Guard
- Q133. Which two are true about creating pluggable databases (PDBs) using snapshots in Oracle 19c and later releases?
- Duplicate Database using Rman Oracle Database 19c
- Theme wordpress là gì, cài đặt như thế nào?
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
