subquery

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PostgreSQL ERROR: subquery in FROM cannot refer to other relations of same query level

I\'m having an inordinate amount of trouble using CTEs as arguments to a P开发者_运维知识库ostgreSQL function call, and no amount of refactoring into subqueries seems to help; I get either subquery in[详细]

2023-04-13 09:16 分类：问答
Performing a sub query using values from the main query in postgres

I am trying to match up data between two tables by using the same values from the main query in the sub-query. I am using 3 tables for this:[详细]

2023-04-13 09:13 分类：问答
joining on a subquery with dbix-class?

Given two tables: (incoming greatly reduced/simplified example that exhibits the key problem) app_data represents applications that can be subscribed to[详细]

2023-04-13 01:42 分类：问答
MYSQL: how to find entries corresponding to MIN() of costly function

I am running a complicated and costly query to find the MIN() values of a function grouped by another attribute. But I don\'t just need the value, I need the entry that produces it + the value.[详细]

2023-04-13 01:06 分类：问答
SQL Server 2008 subquery with error. Still works the main query

Ok, maybe I\'m a noob in sql, but I can\'t figure out why this should work: I\'ve Table1 like: IDRecord (PK), Description, IDTable2 (FK)[详细]

2023-04-12 19:29 分类：问答
Linq to Entities with Subselect in select part

We are starting with a MVC project using EF. We will need write a lot of queries in LINQ using subselect and don\'t have figured out yet how this could be done.[详细]

2023-04-12 14:31 分类：问答
join on sub query returns fails

Trying to join a table \"fab_qouta.qoutatype\" to at value inside a sub query \"fab_status_members.statustype\" but it returns nothing.[详细]

2023-04-12 06:14 分类：问答
SQL Query for Joining Tables Using A Columns Splitted Strings

Here\'s what I\'m trying to do. I have these: Table1: Name | Surname | Age | Location | ContactPeopleIds[详细]

2023-04-11 23:21 分类：问答
MySQL updating the same! table with subquery

I wish to update some rows of the same table. As I know the following f开发者_Python百科orm doesnt work under MySQL[详细]

2023-04-11 13:34 分类：问答
CakePHP Paginate() the results from a find subquery?

This is a follow-up to an earlier question here: CakePHP find statement for a sql query involving two models[详细]

2023-04-11 02:49 分类：问答