日韩欧美亚洲 _ 欧美亚洲一区 _ 日本亚洲欧美 _ 亚洲精品欧美国产白袜脚足J棉袜在线观看_亚洲熟妇av一区二区三区_久久天天躁狠狠躁夜_精品众筹模特私拍在线

單項(xiàng)選擇題

Which of the following datatypes are used in situations where you want an ordered set of data elements, where every element is the same datatype, and where you predefine the number of elements that appear in the set?（）

A.REF
B.TABLE
C.CLOB
D.VARRAY

你可能感興趣的試題

單項(xiàng)選擇題

When an UNDO segment is created manually by you, its availability status is set to which of the following automatically by Oracle?（）

A.Online
B.Pending online
C.Offline
D.Stale

單項(xiàng)選擇題

When determining the number of UNDO segments in a database, which of the following choices identifies a factor to consider? （）

A.Size of typical transactions
B.Concurrent transactions
C.Size of rows in table most frequently changed
D.Number of anticipated disk sorts