SUBSTRING('ABCDEFGHIJK' FROM -4 FOR 2); : SUBSTRING « String Functions « MySQL Tutorial

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MySQL Tutorial » String Functions » SUBSTRING

23. 42. 6. SUBSTRING('ABCDEFGHIJK' FROM -4 FOR 2);


mysql>

mysql>

mysql> SELECT SUBSTRING('ABCDEFGHIJK' FROM -4 FOR 2);

+----------------------------------------+

| SUBSTRING('ABCDEFGHIJK' FROM -4 FOR 2) |

+----------------------------------------+

| HI                                     |

+----------------------------------------+

1 row in set (0.00 sec)



mysql>

23. 42. SUBSTRING
	23. 42. 1.	SUBSTRING(str,pos), SUBSTRING(str FROM pos), SUBSTRING(str,pos,len), SUBSTRING(str FROM pos FOR len)
	23. 42. 2.	SUBSTRING('ABCDEFGHIJK' FROM 4);
	23. 42. 3.	SUBSTRING('ABCDEFGHIJK',5,6);
	23. 42. 4.	SUBSTRING('ABCDEFGHIJK', -3);
	23. 42. 5.	SUBSTRING('ABCDEFGHIJK', -5, 3);
	23. 42. 6.	SUBSTRING('ABCDEFGHIJK' FROM -4 FOR 2);
	23. 42. 7.	Use SUBSTRING with data in a table

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