Chr() and Asc() Function in MS Access

1. CHR() Function :
The Chr() function returns the character for the given ASCII number code. The Chr function takes an integer as a parameter and returns the respective character. It works opposite to ASC() function.

Syntax –

Chr(ASCII number code)

Parameter – Required; An integer.
Return – A character.

Example –

SELECT Chr(75) 
AS NumberCodeToCharacter;

Output –

NumberCodeToCharacter
K

2. ASC() Function :
The ASC() function returns the ASCII value of the character. If more than one character is passed in the function then it will return the ASCII value of the first character otherwise ASCII value of the specified character.

Syntax –

ASC(Character)

Parameter – Required; A character or a string.
Return – ASCII value; An Integer value.

Example –

Table – Student

STUDENTNAME	COURSE
GFG_USER1	OOPS
XYZ	DSA SELF PACED

SELECT STUDENT, Asc(STUDENTNAME) 
AS NumCodeOfFirstChar
FROM STUDENT;

Output –

STUDENT	NumCodeOfFirstChar
GFG_USER1	107
XYZ	130