English 中文(简体)
能否在MySql上设置一些表格?
原标题:Can i create nested tables on MySql?
  • 时间:2010-07-03 17:52:11
  •  标签:
  • mysql

for example,access example db, every student record have a nested table about guardians. http://img101.imageshack.us/img101/9881/53882937.jpg

最佳回答

No. Something such as is nearhas as a individualmap for all students, with a foreign key section pointing to the student table to specified which students a particular row related to.

然后,你只过滤桌子,与某个学生相匹配,并在德国马克没有学生栏。 它向用户看上一个单独的表格,但实际上并不看它是如何储存的。

(请did建立单独的<条码> guard>。 每个学生的桌子上,你无法像“特定监护人的有限学生”那样做问询。

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