Oracle 11G OCP 1Z0-053 471
(471)Which of the following would be affected by setting NLS_LENGTH_SEMANTICS=CHAR?
A. All objects in the database
B. Tables owned by SYS and SYSTEM
C. Data dictionary tables
D. NCHAR columns
E. CHAR columns
答案:(E)
解析:
指定長度的語義是字元語義,還是位元組語義
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