join

I have three tables in my database. Their schema is basically: books: id | book_title books_tags: id | book_id | tag_id books_votes: id | book_id |…

I have a query where I currently get information from 2 tables like this: SELECT g.name FROM site_access b JOIN groups g ON b.group_id = g.id WHERE…

I realize that this question has be asked several times - I have tried most of the "answered" questions, but none seem to be working. I have an RSVP…

I want to query across two tables: members and payments . One member record could join with many payments. However, I need each payment record to be…

MySQL Server Version: Server version: 4.1.14 MySQL client version: 3.23.49 Tables under discussion: ads_list and ads_cate. Table Relationship:…

I've got the following schema: phrase (in U.S. English): translation: code_value: ---------------------- -----------------------------------------…

How could i combine with map/reduce these two files: File1. Data. 1 name:foo1,position:bar1 2 name:foo2,position:bar2 3 name:foo3,position:bar3 4…

Running mySQL Community Server 5.5.13 Using the following query: select t1.f1, t2.f1, t2.f2 from t1 left join t2 on (t1.f3 = t2.f3) If the left join…

I'm stucked in this MYSQL SELECT: SELECT episode.name FROM tv.episode JOIN tv.show ON episode.show_id = show.id WHERE show.id = 73545 AND…

I just imported a large amount of data into two tables. Let's call them shipments and returns. When trying to do a simple join (left or inner) based…

how can I join two tables and make the second optional? SELECT t1.title,SUM(t2.seconds) AS seconds FROM operation t1 LEFT JOIN workhours t2 ON t1.id…

here is my database structure members table member_Id membertomshiptable membertomship_startdate membertomship_enddate member_id mshipstatustype_id…

I have a query that JOINs some tables to get a list of products including prices, images, country etc. "product_images" table can have zero or more…

I have a member Table with member_Id a mmship table with columns mmshipstart date and member_Id and mshipstatus_Id another table mshipstatustype…

I thought these two queries were the same. But the results turned out the first query's constraints starting with the four ANDs worked, many wrong…

Hello guys I have a problem with a query and left join I have 2 tables products and characteristics I know some required characteristics with id…

Here is my database structure: payment option: mshiptype_id paymopt_Id membertopaymentoption: member_Id paymopt_Id mshiptypes mshiptype_name…

I am trying to improve a query which does the following: For every job, add up all the costs, add up the invoiced amount, and calculate a…

I'm building a bug tracker type tool for kicks. I'm having probs with a small prob relating to version control of my data. I have a table 'action'…

I am working on a databese of dictionary with 4 tables designed like words wordid | lemma senses wordid | synsetid synsets synsetid | definition…