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  1. 18 mar 2014 · In MySQL, can I select columns only where something exists? For example, I have the following query: select phone, phone2 from jewishyellow.users where phone like '813%' and phone2

  2. 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%'.

  3. 6 cze 2024 · This query retrieves rows where the code column is either null, an empty string, or contains only spaces. In MySQL, ISNULL(code) returns 1 if the column code is NULL. Otherwise, it’s 0:

  4. 30 lis 2013 · I need to find out the records where the article_title data is the same on more than one record. Here's what I've got: select a.* from articles a where a.article_title = (select article_title from articles where article_title = a.article_title AND a.id <> articles.id)

  5. 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

  6. 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.

  7. SELECT Syntax. SELECT column1, column2, ... FROM table_name; Here, column1, column2, ... are the field names of the table you want to select data from. If you want to select all the fields available in the table, use the following syntax: SELECT * FROM table_name;

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