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Which MySQL function returns a specified number of strings as output?

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Release: 2023-08-25 11:01:04
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哪个 MySQL 函数返回指定数量的字符串作为输出?

MySQL returns the specified number of characters in a string with the help of the LEFT() and RIGHT() functions.

MySQL LEFT() function will return the specified number of characters from the left side of the string.

Syntax

LEFT(str, length)
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Here str is a string of multiple characters to be returned, and the length is an integer value specifying the number of characters to be returned.

Example

mysql> Select LEFT('My Name is Ram', 7);
+---------------------------+
| LEFT('My Name is Ram', 7) |
+---------------------------+
| My Name                   |
+---------------------------+
1 row in set (0.00 sec)
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The MySQL RIGHT() function will return the specified number of characters from the right side of a string.

Syntax

RIGHT(str, length)
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Here str is a string of multiple characters to be returned, and the length is an integer value specifying the number of characters to be returned.

Example

mysql> Select RIGHT('My name is Ram',6);
+---------------------------+
| RIGHT('My name is Ram',6) |
+---------------------------+
| is Ram                    |
+---------------------------+
1 row in set (0.00 sec)
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source:tutorialspoint.com
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