CREATE TABLE CHAR_dt (a CHAR(20), b NCHAR(20))
prepst#!# INSERT INTO CHAR_dt(a, b) values(@a, @b) #!#CHAR|-|a|-|Dipesh#!#NCHAR|-|b|-|Dhameliya
prepst#!#exec#!#CHAR|-|a|-| Dipesh #!#NCHAR|-|b|-| Dhameliya
prepst#!#exec#!#CHAR|-|a|-|   D#!#NCHAR|-|b|-|   🤣😃
prepst#!#exec#!#CHAR|-|a|-| #!#NCHAR|-|b|-| 
prepst#!#exec#!#CHAR|-|a|-| #!#NCHAR|-|b|-|😊😋😎😍😅😆
prepst#!#exec#!#CHAR|-|a|-|<NULL>#!#NCHAR|-|b|-|<NULL>
prepst#!#exec#!#CHAR|-|a|-| Dipesh #!#NCHAR|-|b|-| Dham7898767895867576eliya
SELECT * FROM CHAR_dt;
INSERT INTO CHAR_dt(a,b) values('Dipesh','Dhameliya')
INSERT INTO CHAR_dt(a,b) values(' Dipesh',' Dhameliya')
INSERT INTO CHAR_dt(a,b) values('   D',N'   🤣😃')
INSERT INTO CHAR_dt(a,b) values(' ',' ')
INSERT INTO CHAR_dt(a,b) values(' ',N'😊😋😎😍😅😆')
INSERT INTO CHAR_dt(a,b) values(NULL,NULL)
SELECT * FROM CHAR_dt;
DROP TABLE CHAR_dt;