left-join

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How can I write a Hibernate Criteria query, for a super-class, and check for a certain sub-class?

How can I write a Hibernate Criteria query, for a super-class, and check for a certain sub-class? Let\'s imagine we have the following classes all mapped up with Hibernate-JPA:[详细]

2023-03-17 01:28 分类：问答
Why doesn't this left outer join query work properly?

I have a table that looks like this: peter=> \\d aggregated_accounts_by_month Table \"public.aggregated_accounts_by_month\"[详细]

2023-03-16 21:22 分类：问答
Grails, left outer join

I have two domain classes Users and Projects like following Users{ String firstName String lastName String emailAddress[详细]

2023-03-16 06:52 分类：问答
Do Left or Inner Join depends on parameter

I have to do \'left\' or \'inner\' join operation between tables depends on input parameter in my stored procedure. I know how to 开发者_如何转开发do it very simply:[详细]

2023-03-16 04:39 分类：问答
Do I have this LEFT JOIN right?

I need to find the total number of customers created after a given date that haven\'t yet ordered. I have two tables:[详细]

2023-03-16 04:27 分类：问答
Help with sorting results from database (JOIN?) in php

Im upgrading my forum a bit, and want to change the way the topics is listed. My topics is stored in this table:[详细]

2023-03-15 16:31 分类：问答
Subselect, joins and O/R mapping

i am following struts 2 and hibernate 5. I have two tables A and B with different primary keys A_ID and B_ID.[详细]

2023-03-15 15:24 分类：问答
ORA 00936 error while using left outer join + syntax

I have two tables: T1 and T2 T1 has a DATE column: CT1 T2 has a DATE column: CT2 I want to left outer join T1 and T2 with join condition:[详细]

2023-03-15 13:32 分类：问答
Excluding rows where the max value in one column is used to check the value in another?

Sorry for the obscure title, but I\'m not sure how to sum it up. I\'m working with some static train schedule data supplied to me in several tables. I\'m trying to show all the trains that stop at a[详细]

2023-03-14 16:05 分类：问答
SQL IF and LEFT JOIN cause database to malfunction

I just encoutered a problem I never had before. When I try my SQL statement in phpmyadmin all is fine. However, once I use it in my c application with MySQL, it only works every other start. Also when[详细]

2023-03-14 04:08 分类：问答