This tag will generally be used by those unfamiliar with SQL, asking basic questions about joins. In SQL, data is stored in tables. Frequently, queries need data from multiple tables, and the way that they are connected may not be obvious.
Questions tagged [multiple-tables]
823 questions
-1
votes
1 answer
How to query multiple tables and collate data
I am trying to make a notification list that displays notifications from multiple different content types and there respective database tables.for each content type There is a subscribe table with the respective subscriptions which I need to…

Malcolm
- 23
- 6
-1
votes
1 answer
Joining multiple tables in MySQL
I am trying to join multiple tables in MySQL, here is the query:
SELECT p.post_title
, p.post_content
, p.guid
, i.guid
, m.meta_value
FROM twypl_posts p
JOIN twypl_posts i
ON i.ID = p.post_parent
JOIN twypl_postmeta…

Ali Elkhaiat
- 57
- 1
- 9
-1
votes
1 answer
How to get multiple values from multiple tables in one db?
i have a serious problem!
I want to use different values from different tables in my database. My tables:
users
user_id | name | email | password | color | created
parents
parent_id | email | password
So, i want to connect these tables with email…

K. Ayaz
- 21
- 6
-1
votes
1 answer
How to scrape multiple tables in R?
I am a "newbie" when it comes to R, but i would really like to know how do i scrape multiple tables (that i don't know the dimensions of) from a site like:
https://en.wikipedia.org/wiki/World_population
(just to be specific, here's is what the code…

KingMaker
- 49
- 2
- 8
-1
votes
1 answer
How can I make a stored procedure to update one column in one table based on the order of rows from another table?
I have two tables
Users:
user | name | country | rank | country_rank | points
1 | frank | US | to be determined | to be determined | to be determined
Awards:
awarded_to | points_awarded
1 | …

whocodes
- 331
- 1
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-1
votes
1 answer
How to Update Multiple row table using this approach?
It display the result. but when I'm updating it doesnt work.
my multiple table results (working).