How do I run a select query in a for loop?

How do I run a select query in a for loop?

Running a Query Inside the Loop

  1. WHILE @Counter <= @MaxOscars.
  2. BEGIN.
  3. SET @NumFilms =
  4. SELECT COUNT(*)
  5. FROM tblFilm.
  6. WHERE FilmOscarWins = @Counter.
  7. SET @Counter += 1.
  8. END.

Can we use nested while loop in PHP?

PHP Nested While Loop We can use while loop inside another while loop in PHP, it is known as nested while loop. In case of inner or nested while loop, nested while loop is executed fully for one outer while loop.

How does while loop work in PHP?

The PHP while Loop The while loop executes a block of code as long as the specified condition is true.

What does query () do in PHP?

The query() / mysqli_query() function performs a query against a database.

How do I stop a while loop in PHP?

To terminate the control from any loop we need to use break keyword. The break keyword is used to end the execution of current for, foreach, while, do-while or switch structure.

How to query another query’s while loop in PHP?

Your using $query and $result twice so the second loop is overwriting the result of the first and stopping… $query = mysql_query (“SELECT * FROM discussions WHERE discussion_uuid = ‘$activity_ref'”); same with $results var… I would also avoid using extract – as you might be overwriting vars your not expecting to…

How to run MySQL Query within another query?

You have to create another connection to the database so that you can run them at the same time. You can load the results of the first one into an array, and then just loop through the array. Thanks for contributing an answer to Stack Overflow!

How to do a while loop in MySQL?

But it just returns the last row. My goal is to have a chronological list of “activities” each displayed slightly differently depending on their type. Your using $query and $result twice so the second loop is overwriting the result of the first and stopping…

What does m mean in while loop PHP SitePoint?

Have a read of the query a little more, m refers to the mainweb table through the LEFT JOIN statement while c refers to the CountriesToSee table. Thank SgtLegend, but all the info of every user is on the Mainweb table. The CountriesToSee only has the country and the memeber_id.