Search results
25 wrz 2009 · Consider using SELECT name, CONVERT(BINARY CONVERT(name USING latin1) USING utf8) AS conv FROM table WHERE id IN (SELECT id FROM table WHERE LENGTH(name) != CHAR_LENGTH(name)); to find broken records and see the result before using UPDATE.
25 sty 2024 · One of the first steps to ensure UTF-8 characters display correctly is to configure your MySQL server to use UTF-8 as the default character set. Step 1: Open my.cnf (or my.ini on Windows) MySQL configuration file. Step 2: Under the [mysqld] section, set the following: [mysqld] character-set-server=utf8mb4 collation-server=utf8mb4_unicode_ci
The LOCATE() function returns the position of the first occurrence of a substring in a string. If the substring is not found within the original string, this function returns 0. This function performs a case-insensitive search.
Converts the string argument to base-64 encoded form and returns the result as a character string with the connection character set and collation. If the argument is not a string, it is converted to a string before conversion takes place. The result is NULL if the argument is NULL.
12 lut 2024 · One effective method to check if a particular string occurs in a MySQL table is by utilizing the SELECT statement along with the LOCATE() function. The LOCATE() function in MySQL is employed to find the position of the first occurrence of a substring within a given string.
For anyone else trying to fix broken UTF8 accented text on latin1 fields, when some of them have proper latin1 and others have broken UTF8, the solution is this: update posts set post_text = @txt where length(post_text) = length(@txt := convert(binary post_text using utf8));
Process the string with a function that escapes the special characters. In a C program, you can use the mysql_real_escape_string_quote() C API function to escape characters. See mysql_real_escape_string_quote().
