MySQL LTRIM() Function
The MySQL LTRIM() function removes all space characters from the left-hand side of a string.
Syntax
LTRIM(string)
Parameters
string |
Required. Specify the string to trim the space characters from the left-hand side. |
Return Value
Returns the trimmed version of the specified string.
Example 1:
The example below shows the usage of LTRIM() function.
mysql> SELECT LTRIM(' SQL Tutorial'); Result: 'SQL Tutorial' mysql> SELECT LTRIM(' SQL Tutorial '); Result: 'SQL Tutorial ' mysql> SELECT LTRIM(' Learning SQL is fun.'); Result: 'Learning SQL is fun.' mysql> SELECT LTRIM(' Learning SQL is fun. '); Result: 'Learning SQL is fun. '
Example 2:
Consider a database table called Employee. When the following INSERT statements are executed, the Name column will contain records with leading spaces.
INSERT INTO Employee VALUES (' John', 'London', 3000); INSERT INTO Employee VALUES (' Marry', 'New York', 2750); INSERT INTO Employee VALUES (' Jo', 'Paris', 2800); INSERT INTO Employee VALUES (' Kim', 'Amsterdam', 3100); -- see the result SELECT * FROM Employee;
The query will produce the following result:
Name | City | Salary |
---|---|---|
John | London | 3000 |
Marry | New York | 2750 |
Jo | Paris | 2800 |
Kim | Amsterdam | 3100 |
To remove the leading spaces from the Name column of the Employee table, the following query can be used:
UPDATE Employee SET Name = LTRIM(Name); -- see the result SELECT * FROM Employee;
This will produce the following result:
Name | City | Salary |
---|---|---|
John | London | 3000 |
Marry | New York | 2750 |
Jo | Paris | 2800 |
Kim | Amsterdam | 3100 |
❮ MySQL Functions