inner-join

Slow query - Multiple joins and a lot of data

I'm sure there is a better way I could be doing this. I have three main tables with large amounts of data to run through: records_main, sales, and appointments. Each with close to 20,000 records. I need to join these three tables as well as a few others that arn't two large. $SQL = "SELECT DISTINCT appointments.id AS aid, appointme...

Retrieving and Presenting SQL Joined Table Records with PHP, Sqlite (or MySql), and HTML

Hello: Please bare with me while I try to explain my question. I have a Sqlite database that has a table consisting of company information (Companies) and a table consisting of product information (Products). The Companies table id is Company_Name. It is joined with the Products table by Company_Name. For example, Company "A" can ha...

How to bind WPF Datagrid to a joined table

Hello, I have a big problem. I try to bind my WPF Datagrid to a table, created with inner join. I have created a class for the info to convert successfully: public class NeshtoSi { public NeshtoSi() { } public string ssn; public string name; public string surname; } And then I create t...

mySQL SELECT join, group by or something

hi There, I can't get on the right track with this, any help would be appreciated I have one table +---+----------+---------+-----------+ |id | match_id | team_id | player_id | +---+----------+---------+-----------+ | 1 | 9 | 10 | 5 | | 2 | 9 | 10 | 7 | | 3 | 9 | 10 | 9 | | 4...

Help with SQL 2005 and inner join

I am trying to inner join 2 temp tables I know this can be done, I have done this before but i completely forgot how to do it Please advise meBelow is the query that I try to execute select tmp1.*, tmp2.cnt from ( select 1 as ClassificationType, tblMatches.IdGame, tblMatches.IdPlayer, sum(Score) as Score, sum(...

Search in multiple tables with Full-Text

Hi, I'm trying to make a detailed search with asp and SQL Server Full-text. When a keyword submitted, I need to search in multiple tables. For example, Table - Members member_id contact_name Table - Education member_id school_name My query; select mem.member_id, mem.contact_name, edu.member_id, edu.school_name from Members me...

How do I avoid a full table scan with this basic inner join?

I have a table that has a foreign key to a table that stores some blob data. When I do an inner join on the tables with a condition on the main table the join type goes from 'index' to 'ALL'. I would like to avoid this as my blob table is on the order of tens of gigabytes. How can I avoid it? Here is the the basic inner join: EXPLAIN ...

Rails render XML of a INNER JOIN

I'm using 2 joined models class Product < ActiveRecord::Base has_and_belongs_to_many :providers end class Provider < ActiveRecord::Base has_and_belongs_to_many :products end and my controller looks like this class ProductsController < ApplicationController @products = Product.find( :all, :joins => :providers, ...

INNER JOIN And Row_Num() Function Problem

Hi , I have a stored Procedure which do Sorting and Paging like the Sorting Custom Paged Results of of Scott Michell . I have two tables: Article and Category ,My StoredProcedure works fine for Article Table , But i want add a field of Category into queyr (Inner Join I mean ) Actually I can't do like the Scott Michell has done , Becau...

Subsonic - Get All Columns From Joined Tables

How do I display columns from both tables with an "InnerJoin" from SubSonic? var myQuery = New SubSonic.Select().From(TableObject1) InnerJoin(TableObject2.ID,TableObject1.ID) ...

Exclude records from one table based on count in joined table

I have two tables: Coupons and Responses. The Coupons table includes fields such as: VendorID [key] CouponID [key] CouponDescription The Responses table includes fields such as: RespondentID [key] CouponID [key] (VendorID not repeated in this table.) Accepted [true/false] Rejected [true/false] Rating [1 to 5] When someone accept...

EntityFramework - LINQ Join help

Hello, I have following schema: Clients - ClientId Users - UserId Offices - OfficeId ClientOffices - ClientId, OfficeId UserOffices - UserId, OfficeId Bold entities are EntityFramework Entities. Now I need to write a function which accepts UserId and returns a list of Clients - who also belong to the offices to which user belongs. ...

MySQL inner join with 2 columns

I have one table users with 2 fields : id , name and another table friends with 2 fields : userid1 userid2 . So this means userid1 is friend with userid2 . I want , with one inner or left join to show this : userid1 name(got from users table) is friend with userid2 name(got from users table) something SELECT * FROM friends INNER JO...

SubSonic 3.0 Multiple Where clause with inner joined tables

Hi, everyone. I am getting a error with following code (C# with SubSonic 3) (Korisnik == User && Uloga == Role) dbPupinDB db = new dbPupinDB(); SqlQuery query = db .SelectColumns( KorisnikTable.IdKorisnikColumn, KorisnikTable.UsernameColumn, KorisnikTable.EmailColumn ) ...

Django ForeignKey with null=True, inner join, and left outer join

Let's say I have two Django models Person and Company as follows: - class Company(models.Model): name = models.CharField() class Person(models.Model): last_name = models.CharField(blank=True) first_name = models.CharField() company = models.ForeignKey(Company, null=True, blank=True) A Person may or may not belong to ...

Can I combine a PIVOT with an Inner join in microsoft SQL server?

Hi, I have the following SQL query: SELECT CountryID, [10201] AS CountryGDPPerCapita, [10677] AS LifeExpTotal FROM ( SELECT CountryID,FieldID,numeric FROM globaledge.dbo.DIBS_Data WHERE CountryID IN (3,5) AND FieldID IN (10201,10677) AND year = 2002 ) SourceTable PIVOT ( MAX(numeric) FOR FieldID IN ([10201...

How to force an index on inner joined tables?

How do I force indexes on a query similar to this. I need to force an index on foo and bar individually. SELECT foo.*, bar.* FROM foo INNER JOIN bar ON foo.rel_id = bar.rel_id WHERE foo.status = 1 AND bar.status = 1 ...

Query optimisation

In my application, my module uses the following tables PUBLIC_APPLICATION CATEGORY_MASTER NOTIFICATION_SITE_DETAIL DIMENSION_MASTER DM PUBLIC_REGISTRATION ALLOTMENT_NOTIFICATION. From the following tables I am retrieving the data SELECT PA.REGISTRATION_NO,PA.APP_ID,PA.NO_OF_ATTEMPTS,CM.CATEGORY_NAME, DM.SITE_DIMENSION,PR.B...

How do I convert this INNER JOIN query from SQL Server to MySQL?

I'm currently migrating a customers application from ColdFusion on Windows with SQL Server to ColdFusion on Linux with MySQL and I'm running into some issues recreating their views with regards to joins. Can anyone help me work out how the following should be converted. SELECT <columns> FROM assetType INNER JOIN assets INNER JOIN ...

SQL natural join POSTGRES

I'm not sure what kind of join I need as I'm not familiar with trying to overlap data in such a way or if it's even feasible. I have two tables which both share a similar set of data and are both related to a 3rd parent table thru Room_id. I have a table called Room_rates which stores average prices for each room (room_id) +-------+--...