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25 maj 2011 · Two options: Use the LIKE keyword, along with percent signs in the string. select * from table where field like '%a%' or field like '%b%'. (note: If your search string contains percent signs, you'll need to escape them)
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}')
The MySQL WHERE Clause. The WHERE clause is used to filter records. It is used to extract only those records that fulfill a specified condition. WHERE Syntax. SELECT column1, column2, ... FROM table_name. WHERE condition; Note: The WHERE clause is not only used in . SELECT statements, it is also used in UPDATE, DELETE, etc.! Demo Database.
9 lut 2024 · SQL CONTAINS is used for full-text searches, allowing you to query databases for specific words, phrases, or patterns within text data. It's particularly useful for finding specific information in large text fields where the exact location of the data isn't known in advance.
23 mar 2023 · What We'll Cover. How to Query for Strings in SQL with the WHERE Clause and LIKE Operator. How to Query for Strings in SQL Server with the CHARINDEX Function. How to Query for Strings in SQL Server with the PATINDEX Function. How to Query for Strings in MySQL with the SUBSTRING_INDEX() Function. Conclusion.
Summary: in this tutorial, you will learn how to use the MySQL WHERE clause in the SELECT statement to filter rows from the result set.
As an extension to standard SQL, MySQL permits LIKE on numeric expressions. mysql> SELECT 10 LIKE '1%'; -> 1. MySQL attempts in such cases to perform implicit conversion of the expression to a string. See Section 14.3, “Type Conversion in Expression Evaluation”.
