Apr 12, 2016 · В чем разница между INNER JOIN и OUTER JOIN? Что означают LEFT JOIN, RIGHT JOIN и FULL JOIN? Перевод вопроса «Difference between INNER and OUTER joins» @cdv.

The question and solutions pertain specifically to INNER JOINs. If the join is a LEFT/RIGHT/FULL OUTER JOIN, then it is not a matter of preference or performance, but one of correct results. The …

The fact that when it says INNER JOIN, you can be sure of what it does and that it's supposed to be just that, whereas a plain JOIN will leave you, or someone else, wondering what the standard said about …

This was an example, but the point is as Eric said in How can I do an UPDATE statement with JOIN in SQL Server?. You need to add an UPDATE statement at first with the full address of all tables to join …

A LATERAL join is more like a correlated subquery, not a plain subquery, in that expressions to the right of a LATERAL join are evaluated once for each row left of it - just like a correlated subquery - while a …

What is the easiest way to select data from two tables and rather than join them, have them appear as separate rows. Both tables have similar or matching fields and I want to run some aggregate fun...

I want make a query where I join 2 tables, using the CriteriaBuilder. In MySQL the query I'm trying to make would look like this: SELECT * FROM order LEFT JOIN item ON order.id = item.order_id AND...

Do you really want to be able to join the tables if a value is null? Can't you just exclude the possible null values in the join predicate? I find it hard to grok that rows in two tables can be related by a null value.

Mar 18, 2010 · Lateral joins (AKA apply in SQL Server) might be helpful for people looking to get multiple columns out of a subquery, particularly for cases where you need to do things that a normal …

Also, JOIN FETCH is a great way to address the LazyInitializationException when using Hibernate as you can initialize entity associations using the FetchType.LAZY fetching strategy along with the main …