A. The client and server have different NLS_LANGUAGE settings
B. The client and server character sets are not the same，and the database character set is not a strict superset of the client character set
C. The client and server are in different time zones
D. The client requests automatic data conversion
E. The AUTO_CONVERT initialization parameter is set to TRUE

A. VARCHAR2
B. CHAR
C. NVARCHAR2
D. CLOB
E. LONG

A. 1 is a monolingual sort.
B. 2 is a monolingual sort.
C. 1 is case insensitive.
D. Both 1 and 2 are case insensitive.
E. Case sensitivity is unknown.

A. ASCII
B. ANSI
C. BINARY
D. MONOLINGUAL
E. MULTILINGUAL

A. TIMESTAMP
B. DATE
C. TIMESTAMP WITH TIME ZONE
D. TIMESTAMP WITH LOCAL TIME ZONE
E. DATETIME

A. V$VALID_NLS_VALUES
B. NLS_VALID_VALUES
C. NLS_VALUE_OPTIONS
D. V$NLS_VALUE_OPTIONS
E. V$NLS_VALID_VALUES

A. WHERE clause
B. ORDER BY clause
C. BETWEEN clause
D. NLSSORT function
E. NLS_SORT function

A. A must contain all of the characters defined in B
B. A must be Unicode
C. The encoded values in A must match the encoded values in B for all characters defined in B 
D. A must be a multibyte character set
E. The encoded values in A must match the encoded values in B for all numeric and alphabetic character

A. NLS_LANGUAGE
B. NLS_SORT
C. NLS_CALENDAR
D. NLS_CHARACTERSET
E. NLS_TERRITORY

A. RSTLNE
B. NLSRTL
C. LISTENER
D. NLSSORT
E. Linguistic sorts

A. WINDOW_PRIORITY
B. PRIORITY
C. PRIORITY_LEVEL
D. WINDOW_PRIORITY_LEVEL
E. OVERLAP_RULE