Hibernate provides (at least) two options for getting around the N+1 query problem. The one is setting the FetchMode to Subselect, which generates a select with a IN-clause and a subselect within this
I would like to use a table alias within the projection of another select statement, like this: SELECT [ID]
I have a query that I am currently getting the ORA-01427: single-row subquery returns more than one row error on.I understand the error, and what is causing it, but cant figure out a way to fix it.I w
Is there anyway to optimize the following query: SELECT t1.id, (SELECT SUM(col1) FROM table_name_two t2 WHERE t2.name LIKE CONCAT(\'%\',t1.name)) AS col1_count
I have been searching for several hours now how to do this, but can\'t seem to find anything to help me.
I am trying to use a where clause with like on a column.However I need it to use a subquery to search against multiple phrases.
this is my problem: SUBQUERY 2.7 secs SELECT SQL_NO_CACHE item_id FROM mtrt_items_searches WHERE search_id IN (
I\'m trying to get something similar to the SQL below via QueryOver: SELECT docs.*, (SELECT TOP 1 eventDate from events WHERE id=do开发者_如何学Gocs.id
this is a bit tough, i guess. what i\'m trying to achieve is to generate a string via group_concat and then run it as a query. my query return the
I\'m trying to learn how to do subqueries, and I\'m really confused at what\'s wrong with this simple example.