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27 gru 2012 · $query = mysql_query("SELECT image_id FROM list WHERE (style_id = 24 AND style_value = 'red') OR (style_id = 25 AND style_value = 'big') OR (style_id = 27 AND style_value = 'round'); Try out this query.
SELECT ads.*, location.county FROM ads LEFT JOIN location ON location.county = ads.county_id WHERE ads.published = 1 AND ads.type = 13 AND ( ads.county_id = 2 OR ads.county_id = 5 OR ads.county_id = 7 OR ads.county_id = 9 )
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.!
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. FROM . table_name. WHERE . search_condition; Code language: SQL (Structured Query Language) (sql)
To filter data by multiple conditions in a WHERE clause, use the AND operator to connect the conditions. Here’s what this looks like for two conditions: WHERE condition1 AND condition2. In our example, condition1 is dept = 'Finance' and condition2 is salary > 4000.
26 kwi 2023 · The WHERE clause is a critical part of any MySQL query because it allows you to filter the data in your tables based on specified criteria. The syntax of the WHERE clause is as follows: SELECT column1, column2, ... FROM table_name. WHERE condition;
11 kwi 2022 · The WHERE clause is indispensable for quality work with MySQL databases. That’s why the current article will deal with this clause and explore its distinguishing features in-depth. When we deal with MySQL, we need conditional clauses for the SELECT statements in the absolute majority of cases.
