inner-join
SQL INNER JOIN on Text Columns
I have two tables (equipment & software) that I want to do an INNER JOIN on. They both have a field called EQCN. It is a text field. I get the following error:[详细]
2023-04-09 10:28 分类:问答Three tables join in SQL
I am newbie in SQL. I want to join three tables in SQL. Below is my query, please check and correct me where I am wrong -[详细]
2023-04-09 04:17 分类:问答How to have SQL INNER JOIN accept null results
I have the following query: SELECT TOP 25 CLIENT_ID_MD5, COUNT(CLIENT_ID_MD5) TOTAL FROM dbo.amazonlogs[详细]
2023-04-08 21:37 分类:问答getting more then one column on an inner join
i have the following query: SELECT c.company_id, c.company_title, c.featured, a.address, a.postal_code, pc.city, pc.region,cat.category_title, p.phone[详细]
2023-04-08 01:00 分类:问答Multiple MYSQL Inner Joins
Hi I am trying to create a search function but having trouble on getting it to work. This is what I have so far:[详细]
2023-04-07 23:59 分类:问答Entity Framework, how to manually produce inner joins with LinQ to entitites
Let\'s imagine I have an table called Foo with a primary key FooID and an integer non-unique column Bar. For some reason in a SQL query I have to join table Foo with itself multiple times, like this:[详细]
2023-04-07 15:14 分类:问答MySQL - Joining with an or statement?
I have a query where I want to join to another table if the field has either one value or another. How would I go about doing that? Should I use an or statement? (Is that even possible?) Or will an IN[详细]
2023-04-07 13:29 分类:问答How to do joins on subqueries in AREL within Rails
I have a simple model class User has_many :logs class Logs related in the usual way through the foreign key logs.user_id. I\'m trying to do the following using Arel and according to the Arel doc[详细]
2023-04-07 04:15 分类:问答How can i write a inner join query using linq
I have write a inner join query. In SQL Server it is working fine, but I want to write this query usin开发者_如何学Pythong Linq-to-SQL. Can anybody help me please?[详细]
2023-04-05 04:53 分类:问答Why will the following SQL command not work with mysql_query in PHP?
SELECT* FROM`enzymes` INNER JOIN `compounds` ONcompounds.compound_id = enzymes.compound_id WHERE`ec` LIKE \'1.11%\'[详细]
2023-04-04 19:40 分类:问答