How to Remove Unwanted Leading Characters From a String in SQL

To remove unwanted leading characters from a string using SQL, use the TRIM() function. This function takes two arguments: the character or characters you want to remove, and the string you want to trim. For example, if you wanted to remove the leading spaces from a string, you would use the following query:

SELECT TRIM(LEADING ' ' FROM string_column) FROM table_name;

Examples

Let's look at a few examples of how this function can be used. Suppose you have a table called users with the following data:If you wanted to remove the leading spaces from the name column, you would use the following query:

SELECT TRIM(LEADING ' ' FROM name) FROM users;

This query would return the following result:

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Additional Info

The TRIM() function is supported by most major databases, including MySQL, PostgreSQL, and SQL Server. However, the syntax may vary slightly depending on the database you are using. For more information, check out the documentation for your particular database.