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sqlite select query with foreign key for another table


sqlite select query with foreign key for another table

By : beginner_needhelp
Date : November 22 2020, 02:59 PM
it fixes the issue I am working on a project with xamarin android using the sqlite.net library. I have a select query that will execute and create a collection of custom objects called worker :
code :
var command = conn.CreateCommand("SELECT * FROM tblWorkers LEFT JOIN tblTitles ON tblWorkers.TitleID = tblTitles.id");
var command = conn.CreateCommand("SELECT tblWorkers.SomeFieldYouWant, tblWorkers.SomeOtherFieldYouWant, ... , tblTitles.Title FROM tblWorkers LEFT JOIN tblTitles ON tblWorkers.TitleID = tblTitles.id");


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Select query on a Table based on condition from other table ? No Foreign key

Select query on a Table based on condition from other table ? No Foreign key


By : Sundar
Date : March 29 2020, 07:55 AM
This might help you I want to make a select query from table A if a different select query returns from table B. Query in table can be select 1 from B where x= something. Query in Table A can be entirely different. , By the sounds of it you want something like:
code :
SELECT  A.SomeColumn, A.AnotherColumn
FROM    A
WHERE   EXISTS (SELECT 1 FROM B WHERE B.X = Something);
Create MySQL Select Query for 2 Table with 1 Foreign Key in 2 Column in one Table

Create MySQL Select Query for 2 Table with 1 Foreign Key in 2 Column in one Table


By : user2748634
Date : March 29 2020, 07:55 AM
may help you . I have 2 table: , you need to join the club in the query twice. use different aliases.
code :
SELECT m.matchday, h.club_name as home, aw.club_name as away 
FROM match m join club h on m.home=h.id_club 
             join club aw on m.home=aw.id_club
WHERE year(matchday)=2014
Query to Select Data from 3 Tables when one table doent have a FOREIGN KEY to one table

Query to Select Data from 3 Tables when one table doent have a FOREIGN KEY to one table


By : Poorna Pesala
Date : March 29 2020, 07:55 AM
it helps some times Your second join of vendorInfo is not necessary. Instead join in your Stateinfo table:
code :
SELECT t2.TYPE [TYPE], t3.Status [STATUS], t4.COMPANY, T5.STATE 

FROM ASSETINFO t1 

INNER Join TYPEINFO t2 on t1.TYPEID = t2.TYPEID
INNER Join STATUSINFO t3 on t1.STATUSID = t3.STATUSID
INNER Join VENDORINFO t4 on t1.VENDORID = t4.VENDORID 
INNER Join stateINFO t5 on t4.State = t5.StateId
How to do a mysql select query on a table with two columns of foreign keys that relate to another table of names

How to do a mysql select query on a table with two columns of foreign keys that relate to another table of names


By : Dice Pig
Date : March 29 2020, 07:55 AM
seems to work fine I have two tables, Table A has two foreign key columns (div_player1_id, div_player2_id) and Table B has a Primary key that relates to the foreign keys in Table A. I am trying to write a select query that will output the names of player1 and player 2 in one row. , You must join wp_divisions with wp_players twice:
code :
select
  d.Div_id,
  p1.display_name player1,
  p2.display_name player2
from wp_divisions d
inner join wp_players p1 on p1.ID = d.div_player1_id
inner join wp_players p2 on p2.ID = d.div_player2_id
How to do the proper SQLite query to a table with several foreign keys?

How to do the proper SQLite query to a table with several foreign keys?


By : Codlor
Date : March 29 2020, 07:55 AM
it should still fix some issue I have a table with two foreign keys pointing to the same table:
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