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Oracle OCP 19c 认证1Z0-083考试题库(第20题)

时间:2021-05-21 来源:

Oracle OCP 19c 认证1Z0-083考试题库(第20题)-CUUG内部学员版083题库解析

20、Which two are true about the character sets used in an Oracle database? (Choose two.)

A. Single-byte character sets provide better performance than multibyte character sets.

B. Unicode enables information from any language to be stored using a single character set.

C. Unicode is the only supported character set for Oracle databases created using Database Configuration Assistant (DBCA).

D. Single-byte character sets always use 7-bit encoding schemes.

E. Multibyte character sets allow more efficient space utilization than single byte character sets.

F. Single-byte character sets always use 8-bit encoding schemes.

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