Αποτελέσματα Αναζήτησης
I've been trying to figure out how I can make a query with MySQL that checks if the value (string $haystack) in a certain column contains certain data (string $needle), like this: SELECT * FROM `table` WHERE `column`.contains('{$needle}')
12 Φεβ 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. Its syntax is as follows: LOCATE(substring, string); Where:
12 Μαΐ 2024 · SELECT * FROM Product WHERE CHARINDEX('Milk', description) > 0 OR CHARINDEX('Dark', description) > 0; Like POSITION() , CHARINDEX() returns the 1-based index of the search substring or 0 if it isn’t in the string.
MySQL string contains multiple words. We can verify mysql contains multiple values query as below. One can use the OR or AND operator to combine multiple values as needed. Example. SELECT `post_name` , `post_title` FROM `_ZRZ_posts` WHERE `post_content` LIKE '%mailkit%' OR 'smtp';
1 Φεβ 2013 · Functions that extract parts of dates typically work with incomplete dates and thus can return 0 when you might otherwise expect a nonzero value. For example: mysql> SELECT DAYOFMONTH('2001-11-00'), MONTH('2005-00-00'); -> 0, 0. Other functions expect complete dates and return NULL for incomplete dates.
Pattern matching using an SQL pattern. Returns 1 (TRUE) or 0 (FALSE). If either expr or pat is NULL, the result is NULL. The pattern need not be a literal string. For example, it can be specified as a string expression or table column.
8 Ιουλ 2015 · Check out the MySQL Regex methods. Something like the following should work. SELECT * FROM table WHERE tag REGEXP '[0-9]'
