1. 첫번째 서버

select * from nls_database_parameters
PARAMETER                      VALUE                                            
------------------------------ -------------------------------------------------
NLS_LANGUAGE                   AMERICAN                                         
NLS_TERRITORY                  AMERICA                                          
NLS_CURRENCY                   $                                                
NLS_ISO_CURRENCY               AMERICA                                          
NLS_NUMERIC_CHARACTERS         .,                                               
NLS_CHARACTERSET               AL32UTF8                                         
NLS_CALENDAR                   GREGORIAN                                        
NLS_DATE_FORMAT                DD-MON-RR                                        
NLS_DATE_LANGUAGE              AMERICAN                                         
NLS_SORT                       BINARY                                           
NLS_TIME_FORMAT                HH.MI.SSXFF AM                                   
NLS_TIMESTAMP_FORMAT           DD-MON-RR HH.MI.SSXFF AM                         
NLS_TIME_TZ_FORMAT             HH.MI.SSXFF AM TZR                               
NLS_TIMESTAMP_TZ_FORMAT        DD-MON-RR HH.MI.SSXFF AM TZR                     
NLS_DUAL_CURRENCY              $                                                
NLS_COMP                       BINARY                                           
NLS_LENGTH_SEMANTICS           BYTE                                             
NLS_NCHAR_CONV_EXCP            FALSE                                            
NLS_NCHAR_CHARACTERSET         UTF8                                             
NLS_RDBMS_VERSION              9.2.0.4.0                                        
20 rows selected

CREATE TABLE TEST
(
  NAME1  VARCHAR2(10 BYTE)                      NOT NULL,
  NAME2  NVARCHAR2(10)                          NOT NULL
)

select * from test
NAME1      NAME2                         
---------- ------------------------------
abcdefghij abcdefghij                    
안         안녕하세요                    
안녕       안녕하세요                    
안녕하     안녕하세요                    
가나다     안녕하세요                    
가나다     안녕하세요안녕하세요          
ㄴㄷㅁ     안녕하세요안녕하세요          
7 rows selected
 
 
select length(name1), length(name2) from test
LENGTH(NAME1) LENGTH(NAME2)
------------- -------------
           10            10
            1             5
            2             5
            3             5
            3             5
            3            10
            3            10
7 rows selected
 
 
select lengthb(name1), lengthb(name2) from test
LENGTHB(NAME1) LENGTHB(NAME2)
-------------- --------------
            10             10
             3             15
             6             15
             9             15
             9             15
             9             30
             9             30
7 rows selected

 

2. 두번째 서버

select * from nls_database_parameters
PARAMETER                      VALUE                                            
------------------------------ -------------------------------------------------
NLS_LANGUAGE                   AMERICAN                                         
NLS_TERRITORY                  AMERICA                                          
NLS_CURRENCY                   $                                                
NLS_ISO_CURRENCY               AMERICA                                          
NLS_NUMERIC_CHARACTERS         .,                                               
NLS_CHARACTERSET               KO16KSC5601                                      
NLS_CALENDAR                   GREGORIAN                                        
NLS_DATE_FORMAT                DD-MON-RR                                        
NLS_DATE_LANGUAGE              AMERICAN                                         
NLS_SORT                       BINARY                                           
NLS_TIME_FORMAT                HH.MI.SSXFF AM                                   
NLS_TIMESTAMP_FORMAT           DD-MON-RR HH.MI.SSXFF AM                         
NLS_TIME_TZ_FORMAT             HH.MI.SSXFF AM TZR                               
NLS_TIMESTAMP_TZ_FORMAT        DD-MON-RR HH.MI.SSXFF AM TZR                     
NLS_DUAL_CURRENCY              $                                                
NLS_COMP                       BINARY                                           
NLS_LENGTH_SEMANTICS           BYTE                                             
NLS_NCHAR_CONV_EXCP            FALSE                                            
NLS_NCHAR_CHARACTERSET         AL16UTF16                                        
NLS_RDBMS_VERSION              9.2.0.4.0                                        
20 rows selected

select * from test
NAME1      NAME2               
---------- --------------------
abcdefghij abcdefghij          
안         안녕하세요          
안녕       안녕하세요          
안녕하     안녕하세요          
가나다     안녕하세요          
가나다     안녕하세요안녕하세요
ㄴㄷㅁ     안녕하세요안녕하세요
7 rows selected
 
 
select length(name1), length(name2) from test
LENGTH(NAME1) LENGTH(NAME2)
------------- -------------
           10            10
            1             5
            2             5
            3             5
            3             5
            3            10
            3            10
7 rows selected
 
 
select lengthb(name1), lengthb(name2) from test
LENGTHB(NAME1) LENGTHB(NAME2)
-------------- --------------
            10             20
             2             10
             4             10
             6             10
             6             10
             6             20
             6             20
7 rows selected