单项选择题
A. All objects in the database
B. Tables owned by SYS and SYSTEM
C. Data dictionary tables
D. NCHAR columns
E. CHAR columns
单项选择题 WhichNLSparametercanbeusedtochangethedefaultOraclesortmethodfrombinarytolinguisticfortheSQLSELECTstatement？（）
单项选择题 WhichofthefollowingNLS_SORTparametervalueswouldresultincase-insensitiveandaccent-insensitivebinarysorts？（）
单项选择题 Automaticdataconversionwilloccurifwhichofthefollowinghappens？（）