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  1. 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}')

  2. 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.

  3. 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.

  4. expr . LIKE pat [ESCAPE. ' escape_char '] 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.

  5. The includes() method returns true if a string contains a specified string. Otherwise it returns false. The includes() method is case sensitive.

  6. Summary: in this tutorial, you will learn how to use the MySQL OR operator to combine Boolean expressions. Introduction to the MySQL OR operator. The MySQL OR operator is a logical operator that combines two Boolean expressions. A OR B Code language: SQL (Structured Query Language) (sql)

  7. An error occurs if target or candidate is not a valid JSON document, or if the path argument is not a valid path expression or contains a * or ** wildcard. To check only whether any data exists at the path, use JSON_CONTAINS_PATH() instead. The following rules define containment: