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How MySQL LTRIM() and RTRIM()functions can be used with WHERE clause?
MySQL LTRIM() and RTRIM() functions can be used to eradicate the leading and trailing spaces from the values of a column in a table. These functions work well even if we apply a condition in WHERE clause.
Example
mysql> Select LTRIM(Name) from Student; +-------------+ | LTRIM(Name) | +-------------+ | Gaurav | | Aarav | | Harshit | | Gaurav | | Yashraj | +-------------+ 5 rows in set (0.13 sec)
The query above removes the leading space characters from the values of column ‘Name’.
mysql> Select RTRIM(Name) from Student; +-------------+ | RTRIM(Name) | +-------------+ | Gaurav | | Aarav | | Harshit | | Gaurav | | Yashraj | +-------------+ 5 rows in set (0.00 sec)
The query above removes the trailing space characters from the values of column ‘Name’.
mysql> Select LTRIM(Name) from Student Where Name = 'Harshit'; +-------------+ | LTRIM(Name) | +-------------+ | Harshit | +-------------+ 1 row in set (0.05 sec)
The query above removes the leading space characters from the value i.e. given in WHERE clause ‘Harshit’, of column ‘Name’.
mysql> Select RTRIM(Name) from Student Where Name = 'Gaurav'; +-------------+ | RTRIM(Name) | +-------------+ | Gaurav | | Gaurav | +-------------+ 2 rows in set (0.00 sec)
The query above removes the trailing space characters from the value i.e. given in WHERE clause ‘Gaurav’, of column ‘Name’.
Updated on 06-Feb-2020 06:50:58
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