left join with 3 tables does not work as I hope

I have these 3 tables : - table for the roles - table for the languages - table for the translations of the roles I would like to request all the roles with their translations, and if there is no translations then display 'to translate'. I tried this

SQL LEFT JOIN on three tables with condition

i want to get information from three table like : Item itemId Name Quantity Price 1 Pen 100 1,0 2 Pencil 100 0,5 3 Glue 20 1,5 ItemFiles itemId fileId 1 1001 1 1002 1 1003 2 2001 3 3001 3 3002 phisicsFile fileId Filename 1001 order_101_20170621.pdf 1

Left join on Hive - how to count null values ​​as 0?

Let's say that I have a table Sales: Sale_ID Sale_date Sale_amount 93480294 2017-01-01 100.00 12124343 2017-01-02 400.00 19859248 2017-01-01 130.00 65683748 2017-01-01 200.00 And a table Returns Sale_ID Return_date Sale_amount 93480294 2017-01-03 100

select the parent if he has a child or not in mysql

I need to select all users whether they have images or not If they have then select the primary image. It could be simple for you but looking difficult for me. I have 2 tables users , images Users Table Id | name | 1 xyz 2 abc 3 qwe 4 rty Images Tabl

Entity Framework has left the join of multiple tables

I'm using Entity Framework 6 and I have few entities and a query like the following: var results = (from e1 in dataContext.Entity1 .Where(x => x.Key1 == 1) from e2 in dataContext.Entity2 .Where(x => x.Key2 == e1.Key1) .DefaultIfEmpty() from e3 in da

Codeigniter SUM and LEFT JOIN when deleting duplicates

I am left joining 4 tables to get SUM of the amount that is present in first table. So far, I've tried many alternatives to get the sum straight, but either it becomes 0 (if I group_by), or duplicates, if I don't use group_by. here is my code: $this-

Multiple joins to get data and accounts from multiple tables

This is probably really simple, but I have been struggling. Basically I need to combine 2 different queries: Get a list of accounts plus some info for each Based on each of those accounts, get the count of users and forms associated with each. So giv

Any way to substitute the left join or is it necessary?

I would like to know if there is any better way to do the following query or if there is any necessity to make it better? (Considering that the DB load is not that big). The only criterion is that the 3 "variables" have to be included as AND, an

Confused on the joins on the left (simple scenario)

I understand inner joins but I am confused when it comes to outer joins. Table 1 has two rows as shown below: tbl1: 1 1 Table 2 has two rows as shown below: tbl2: 1 2 Inner join: 2 rows (I understand, 2 rows in tbl1 are matching with a value in tbl2)

Structure of conditional joined tables

i have three tables like these: PARTY_ANIMALS [ID, ...] --> contains all the animals participating in the party DOGS [ID, id_dog, name_dog] --> contains a list of dogs with respective name CATS [ID, id_cat, name_cat] --> contains a list of cats w

MySQL left the subquery to group by

I have a requirement where I need o group data into equal number ob rows. As mysql doesn't have rownum() I'm simulating this behaviour: SET @row:=6; SELECT MAX(agg.timestamp) AS timestamp, MAX(agg.value) AS value, COUNT(agg.value) AS count FROM ( SEL

MySQL return record where the left joined table has no records

I'm having a database with two tables: users, users_addresses and countries. When I'm selecting user record and binding it to the model I'm using the following statement: SELECT `u`.`id`, `u`.`first_name`, `u`.`last_name`, `a`.`address_1`, `a`.`addre

Join a two-part SQL query in a query

This is what I have: Query select bc.short_desc as cdesc from blog_post as bp left join blog_post_category_link as blpc on bp.post_id = blpc.post_id inner join blog_category as bc on blpc.cat_id = bc.cat_id where bp.post_id = 1 Result ---------------

Two LEFT SQL JOINTS produce an incorrect result

I have 3 tables: users(id, account_balance) grocery(user_id, date, amount_paid) fishmarket(user_id, date, amount_paid) Both fishmarket and grocery tables may have multiple occurrences for the same user_id with different dates and amounts paid or have

MySQL- Left Join shows more rows than expected

I'm joinning two SELECTS. The first one retrieves: t1 id value 1 149 2 149 3 149 4 149 The second one: t2 id value 149 2 149 13 149 145 149 149 So, I'm joining t1/t2 on t1.value = t2.id. But the outcome follows: 1 149 2 1 149 13 1 149 145 1 149 149 2

MySQL LEFT Connection problem - what am I doing wrong?

I should note that id is not unique in the tdemog_pfp table - there is a unique field there that auto-increments - could this be an issue? Ok, I have the following SQL query: SELECT id, name, total_staff AS StaffCount, COUNT( q60a ) AS TotalResp, (CO

I want the last row of all players in a specific month + year

Here is a simplefied version of my sql table of 2 months (ORDERED BY DATE): player_id | date            | score 1               2011-05-25   1200 2               2011-05-25   3400 3               2011-05-26   3200 4               2011-05-26   4400 1 

LINQ to SQL Joining Query returning 1 instead of 0

Whats the difference between these two query? I am getting 0 from codes1.Count() but 1 from codes2.Count() but it should be 0 for both. IQueryable<SecurityCode> codes1 = (from user in dataBase.SecurityUsers from code in user.SecurityCodes where user

Why can not Hibernate find a secondary table in an entity?

I found no answers to this question which is also asked on many other forums. Although I have the tables IAS_FORM_BKT_BAYI and IAS_FORM_BKT_BAYI_SO present in the database, with the annotated entity class (the source code below the exception) I'm get

Oracle SQL missing right parenthesis

I'm trying to limit the number of rows that would be displayed when I run my query. When I run the code below in SQL developer, it returns missing right parenthesis error.. select * from (select row_number() over (order by rescode) rnum, a.* from ( S

SQL query for the maximum date

I asked a related question and I got some really good answers, but I'm trying to make the query without making a temporary table. I believe it can be done, but I can't figure out how to do it. I have two tables and I want to get the latest status for

Delete from a joined table

I'm trying to delete records from one database based on a selection criteria of another. We have two tables, emailNotification which stores a list of jobs and emails. Then we have jobs. I want to clear out emailNotifications for jobs that have been c