SQL CHAR() | CHR() Function
The SQL CHAR() | CHAR() is a function, and return a character (ascii value) that represent of a given input number from query result.
The SQL CHAR() | CHAR() function supports only numeric value which contains the ascii table.
It can be used in SELECT statement as well in where clause.
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SQL CHAR() Syntax
For MS ACCESS / ORACLE
// Ascii value from a given input numeric value
SELECT CHAR(input_numeric_code);
// Ascii value from a given input numeric table column
SELECT CHAR(input_numeric_code_column) FROM table_name;
For SQL SERVER / MySql
// Ascii value from a given input numeric value
SELECT CHAR(input_numeric_code);
// Ascii value from a given input numeric table column
SELECT CHAR(input_numeric_code_column) FROM table_name;
SQL CHAR() Example - Using Expression Or Formula
The following SQL SELECT statement returns the character(ascii value) of a given input number.
SELECT CHAR(65) AS 'Ascii Character Of 65';
The result of above query is:
| Ascii Character Of 65 |
|---|
| A |
SQL CHAR() Function More Example
| Input Value | Result |
|---|---|
| CHAR(67) | C |
| CHAR(98) | b |
| CHAR(50) | 2 |
| CHAR(50 + 15) | A |
Sample Database Table - Customer
| CID | CName | Age | City |
|---|---|---|---|
| 65 | Suresh Babu | 72 | Nasik |
| 66 | Suresh Kumar | 56 | Nasik |
| 67 | Vinoth Kumar | 78 | Chennai |
| 68 | Azagu Varshith | 83 | Madurai |
SQL CHAR() Example - With Table Column
The following SQL SELECT statement find the ascii value of a given table column "CID" from the "Customer" table:
SELECT
CID, CHAR(CID) As 'Ascii Character Of CID',
Age, CHAR(Age) As 'Ascii Character Of Age'
FROM Customer;
The result of above query is:
| CID | Ascii Character Of CID | Age | Ascii Character Of Age |
|---|---|---|---|
| 65 | A | 72 | H |
| 66 | B | 56 | 8 |
| 67 | C | 78 | N |
| 68 | D | 83 | S |
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