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【单选题】
创新能力的核心是()。A.
创新思维能力
B.
艰苦奋斗的力
C.
掌握足够的知识
D.
思维创新
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举一反三
【单选题】Which statement describes the ROWID data type?（）
A.
Binary data up to 4 gigabytes.
B.
Character data up to 4 gigabytes.
C.
Raw binary data of variable length up to 2 gigabytes.
D.
Binary data stored in an external file, up to 4 gigabytes.
E.
A hexadecimal string representing the unique address of a row in its table.
【单选题】In the following options, which one is the data type representing the variable length string?()
A.
CHAR
B.
VARCHAR
C.
BINARY
D.
BOLB
【单选题】The string data type is one of the fundamental data types in C++.
A.
False
B.
True
C.
【简答题】已知lg2=m，则用m表示lg5的值为______．
【简答题】计算(lg2) 3 +3lg2·lg5+(lg5) 3 = .
【单选题】In the following options, the data type used to represent a fixed-length string is ( ).
A.
CHAR
B.
VARCHAR
C.
BINARY
D.
BOLB
【判断题】It is needed to manipulate data independently data type, such as transmitting data to string in TCP/IP protocol, using variant data is the best choice.
A.
正确
B.
错误
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