Aug 5, 2014 · If category ID's have an arbitrary number of digits, you can also do it with a little bit of maths: SELECT CAST(id / POW(10, CAST(LOG10(id) AS SIGNED)) AS SIGNED) ;) Just kidding, go for LEFT(id, 1). Or MID(id, position, 1), to retreive the other digits.

Extract a substring from a string (start at position 1, extract 3 characters): The SUBSTRING () function extracts a substring from a string (starting at any position). Note: The position of the first character in the string is 1. Note: The position of the last character in the string is -1.

Jan 7, 2014 · Using left() or substring() I can get the first 2 bytes, which is NOT equal to the first 2 characters. Using PhpMyadmin, this is what I see when I browse the string value in the table: %D8%A3%D8%B9%D8%B7%D9%8A.

Jun 21, 2021 · You just need to cast as a varchar then use left to return the first two digits. select ServerProperty('ProductLevel') as SP_installed, ServerProperty('ProductVersion') as Version, Left(Cast(ServerProperty('ProductVersion')as varchar(20)), 2);

Oct 24, 2024 · In this article, we’ve explored various techniques for extracting the first N characters of a value in SQL. We’ve seen how functions like SUBSTRING() and LEFT() can be powerful tools for string manipulation, and how we can handle null values and apply conditional logic to our extractions.

Aug 22, 2019 · Learn how to keep only the first 2 characters in a MySQL column value and delete the rest with this simple guide.

Feb 5, 2024 · There are two ways to select the first n characters of a string in MySQL: Method 1: Use LEFT. SELECT LEFT (team, 4) FROM athletes; Method 2: Use SUBSTRING. SELECT SUBSTRING (team, 1, 4) FROM athletes; Both of these examples select the first 4 characters of the strings in the team column of the table named athletes.

Learn how to extract the digit part from a string in MySQL using various methods and functions.

Use SUBSTRING() to get first N characters from a MySQL column. Let us first create a table − mysql>create table DemoTable ( Information text ); Query OK, 0 rows affected (2.63 sec)

Oct 23, 2016 · One approach would be to use REPLACE () function: SET price = replace(replace(replace(price_display,'Fr',''),'$',''),'.','') This works for the examples data you gave: Both result in 999 in my test. With an update like this, it's important to be sure to back up the database first, and be cognizant of the formats of the items.