English 中文(简体)
MySQL发现的陶器,其价值最大,有多种陶器,可以满足老人的需要。
原标题:MySQL find tuples with the largest value in a specif row, where there are multiple tuples that meet the creiteria
  • 时间:2012-04-05 13:41:18
  •  标签:
  • mysql

关系:产品(制造商、模型、类型)

我正设法找到价格最高的打印机。 我知道,我可以找到价格最高的打印机,但如果有多种胶卷(价格最高),我会怎样做。

我曾尝试过:

SELECT model FROM printer HAVING COUNT(*) >= 1 WHERE price > all;

我知道,这是一个可怕的企图,我仍在努力学习。 但是,当我完全停顿时,我可以做很多事情。

最佳回答

我不知道我是否理解你的需要:

SELECT model FROM printer
WHERE price = (SELECT MAX(price) FROM printers)
问题回答

暂无回答




相关问题
SQL SubQuery getting particular column

I noticed that there were some threads with similar questions, and I did look through them but did not really get a convincing answer. Here s my question: The subquery below returns a Table with 3 ...

please can anyone check this while loop and if condition

<?php $con=mysql_connect("localhost","mts","mts"); if(!con) { die( unable to connect . mysql_error()); } mysql_select_db("mts",$con); /* date_default_timezone_set ("Asia/Calcutta"); $date = ...

php return a specific row from query

Is it possible in php to return a specific row of data from a mysql query? None of the fetch statements that I ve found return a 2 dimensional array to access specific rows. I want to be able to ...

Character Encodings in PHP and MySQL

Our website was developed with a meta tag set to... <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> This works fine for M-dashes and special quotes, etc. However, I ...

Pagination Strategies for Complex (slow) Datasets

What are some of the strategies being used for pagination of data sets that involve complex queries? count(*) takes ~1.5 sec so we don t want to hit the DB for every page view. Currently there are ~...

Averaging a total in mySQL

My table looks like person_id | car_id | miles ------------------------------ 1 | 1 | 100 1 | 2 | 200 2 | 3 | 1000 2 | 4 | 500 I need to ...

热门标签