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  1. 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%'.

  2. 6 cze 2024 · The IS NULL operator checks whether the column contains null values. To detect empty values within the column, we compare it against the empty string (”). Sometimes, a column might contain values that consist only of spaces, especially when data is imported from various sources.

  3. 12 maj 2024 · We can use the LIKE operator to perform a wildcard search on the columns: SELECT * FROM Product WHERE description LIKE '%Milk%' OR description LIKE '%Dark%'; The LIKE operator combined with % on both sides of the search terms allows for flexible searching.

  4. www.mysqltutorial.org › mysql-basics › mysql-whereMySQL WHERE - MySQL Tutorial

    MySQL WHERE. 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. Introduction to MySQL WHERE clause. The WHERE clause allows you to specify a search condition for the rows returned by a query. The following shows the syntax of the WHERE clause: SELECT . select_list

  5. 23 mar 2023 · How to Query for Strings in SQL with the WHERE Clause and LIKE Operator. The WHERE clause lets you get only the records that meet a particular condition. The LIKE operator, on the other hand, lets you find a particular pattern in a column. You can combine these two to search for a string or a substring of a string.

  6. 17 maj 2021 · This article will look into how to get the data from MySQL tables where a column contains a particular string. We will be illustrating the concept using various examples and different methods. Table of Contents:-MySQL query string contains using ‘%’ wildcard; MySQL query string contains using LOCATE; MySQL query string contains using INSTR

  7. In this article, we would like to show you how to find rows where the column value is an empty string in MySQL. Quick solution: SELECT * FROM `table_name` WHERE `column_name` = ''; If your column is NULL then the below query works: SELECT * FROM `table_name` WHERE `column_name` IS NULL; Practical example

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