ocp 11g考試題庫詳解：1Z0-051-096題
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96. Examine the structure of the INVOICE table.
name Null Type
INV_NO NOT NULL NUMBER(3)
INV_DATE DATE
INV_AMT NUMBER(10,2)
Which two SQL statements would execute successfully? (Choose two.)
A. SELECT inv_no,NVL2(inv_date,'Pending','Incomplete')
FROM invoice;
B. SELECT inv_no,NVL2(inv_amt,inv_date,'Not Available')
FROM invoice;
C. SELECT inv_no,NVL2(inv_date,sysdate-inv_date,sysdate)
FROM invoice;
D. SELECT inv_no,NVL2(inv_amt,inv_amt*.25,'Not Available')
FROM invoice;
Answer: AC
試題解析：
此題考NVL2參數類型是否一致的問題。
