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Given that you have two tables, not two databases, the easiest way to match multiple values for a specific column would be the following: SELECT * FROM posts WHERE userid IN (44,44,33,44,33,0) *A small point that I ran into when doing this.
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 ) Or even better, use IN:
1 lis 2018 · I want to select data where two columns are in a set of pairs. I'd like to avoid using a subquery, if possible.
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.
In MySQL, you can use the >= operator to test for an expression greater than or equal to. SELECT * FROM contacts WHERE contact_id >= 50; In this example, the SELECT statement would return all rows from the contacts table where the contact_id is greater than or equal to 50.
25 sty 2024 · In this tutorial, we will explore various MySQL comparison operators such as greater than (>), less than (<), equal to (=), and more, through concise explanations and code examples.
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)
