trim function in mysql

Remove the left space function from the powerful mysql trim () function bitsCN. commysql: LTRIM (str) Returns the string str with leading space characters removed. The following is a code snippet: Mysql> select ltrim ('barbar '); -> 'Barbar'

Use the trim function in MYSQL syntax to delete bitsCN.com characters on both sides. In actual development, you always encounter this situation. Or in this case If you are still using select fields from table where like '/%', it is definitely

To remove the left space function in MySQL: LTRIM (str) Returns the string str with leading space characters removed. The following is a code fragment: Copy Code code as follows: mysql> SELECT LTRIM (' Barbar '); -> ' Barbar '

Too much data will drive you crazy, if you still use selectfieldsfromtablewherelike Too much data will drive you crazy, if you still use select fields from table where like In actual development, you always encounter this situation. Or in

In actual development, you always encounter this situation. Or in this case If you are still using select fields from table where like '/%', it is definitely a thankless practice, taking a closer look at the built-in functions of MYSQL is

In actual development, you will always encounter this situation or in this situation. If you're still using the Select fields from table where you like '/% ' is definitely a thankless practice, then it's definitely a priority to study MySQL's

String function string comparison function if the result length is greater than the maximum value of the max_allowed_packet system variable, the return value of the string value function is NULL. See section 7.5.2 "Adjust server Parameters ". String

String functionsstring comparison functionsIf the length of the result is greater than the maximum value of the Max_allowed_packet system variable, the return value of the string value function is null. See section 7.5.2, "Tuning server parameters."

For operations on string positions, the first position is marked as 1. ASCII (str) Returns the ASCII code value of the leftmost character of the string str. If Str is an empty string, returns 0. If STR is NULL, returns NULL. Mysql> Select ASCII (' 2

SQL statement concise tutorial for linux --- TRIM, SQL concise tutorial --- trim The TRIM function in SQL is used to remove the character header or end of a string. The most common purpose is to remove the leading or trailing blank spaces. This