subquery

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MySQL optimization on filtering key-value pairs as records

I\'ve got a DB structure that is designed to store attributes for specific objects in an easily extendable manner.[详细]

2023-03-25 09:56 分类：问答
Fetching Orders and Orderlines Count with subqueries

I am in process to port an old App to Nhibernate. The old application uses ORACLE packages extensively and I want to get rid of that.[详细]

2023-03-25 08:00 分类：问答
Parameter month selection: Make a query that shows previous month, 12 months ago and last 12 months average

I wanted to play around with my Total_Sales table. This is how the data looks like (using SQL Server 2008 R2)[详细]

2023-03-25 02:57 分类：问答
Reference a MySQL calculated/dynamic column or subquery

I have two tables - leads and brochures. Each sales lead that comes in can request zero or more brochures. I can write the following query to get the number of brochures requested per lead:[详细]

2023-03-24 07:25 分类：问答
MySQL statement that combines a sub-query and a JOIN is not working

SELECT i.id AS id, i.modify_date as modify_date, s.subscription as subscriptionid, p.paid/i.total AS paidratio[详细]

2023-03-24 04:38 分类：问答
Can you free text search using a sub query in SQL Server?

I\'m trying to search resumes using a boolean free text search and need to run a subquery. However I can\'t work out if free text boolean searches are possible with subqueries.[详细]

2023-03-24 02:36 分类：问答
Updating a table using a subquery

As you can see what I want to do is: [1] grab the author_id of a record that matches $toggled in table forum_qa[详细]

2023-03-24 02:34 分类：问答
how to prepare subquery in zend framework

I want to prepare a subquery like this in zend framework: select * from dept_view where ( (select sum(开发者_如何学Gosal) from emp where emp_id IN (10,11))[详细]

2023-03-23 17:25 分类：问答
MySQL multiple Date subqueries

I am writing a query for a very specific report that contains a variable number of columns, based onspecific relationships of an item. I am open to suggetions on how to change the query if needs be, b[详细]

2023-03-23 12:16 分类：问答
Using Joins, Group By and Sub Queries, Oh My!

I have a database with a table for details of ponies, another for details of contacts (owners and breeders), and then several other small tables for parameters (colours, counties, area codes, etc.). T[详细]

2023-03-23 11:34 分类：问答