SELECT ELT(-1, 'A', 'B', 'C', 'D'); : ELT « String Functions « MySQL Tutorial

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MySQL Tutorial » String Functions » ELT

23. 10. 3. SELECT ELT(-1, 'A', 'B', 'C', 'D');


mysql>

mysql>

mysql> SELECT ELT(-1, 'A', 'B', 'C', 'D');

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

| ELT(-1, 'A', 'B', 'C', 'D') |

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

| NULL                        |

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

1 row in set (0.00 sec)



mysql>

23. 10. ELT
	23. 10. 1.	ELT(N,str1,str2,str3,...): Returns str1 if N = 1, str2 if N = 2, and so on
	23. 10. 2.	SELECT ELT(4, 'A', 'B', 'C', 'D');
	23. 10. 3.	SELECT ELT(-1, 'A', 'B', 'C', 'D');
	23. 10. 4.	SELECT ELT(10, 'A', 'B', 'C', 'D');
	23. 10. 5.	Using ELT with data in a table

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