Top "Inner-join" questions

A database operation that combines the values of 2 tables based on a condition, or relationship, that exists between those tables.

Mysql range check instead of index usage on inner join

I'm having a serious problem with MySQL (innoDB) 5.0. A very simple SQL query is executed with a very unexpected query …

mysql indexing range inner-join
Select with Inner Join with Multipart Identifier and Having Clause

I need to select certain fields for a multipart identifier that has duplicates. I have the query to grab the …

inner-join identifier multipart having-clause
Self join with inner and outer join query

I have a table that is set up so that one column (attribute) contains information like first name, last name, …

sql sql-server inner-join outer-join self-join
Best way to do an Inner Join using the Zend Framework?

It seems like there's a few different ways to join two tables using the Zend Framework, but I've never done …

zend-framework inner-join zend-db zend-db-table zend-db-select
inner join Vs scalar Function

Which of the following query is better... This is just an example, there are numerous situations, where I want the …

sql-server sql-server-2005 performance inner-join user-defined-functions
What are the steps followed by sql engine to execute the query..??

My question is not how to use inner join in sql. I know about how it matches between table a …

sql inner-join internal
How to determine what is more effective: DISTINCT or WHERE EXISTS?

For example, I have 3 tables: user, group and permission, and two many2many relationships between them: user_groups and group_…

mysql performance distinct inner-join explain
How to use subquery in the join function of Yii framework 2 ActiveRecord?

Below is my pure SQL query. SELECT a.*, b.* FROM a INNER JOIN b ON a.id = b.a_id …

sql yii2 subquery inner-join
Deleting rows from two tables using inner join SQLITE

How do you delete a row from two separate tables? I thought it would be possible to do this using …

sqlite inner-join delete-row
Is seven inner joins in a query too much?

I have a query that has 7 inner joins (because a lot of the information is distributed in other tables), a …

sql inner-join