CROSS JOIN = (INNER) JOIN = comma (",") The only difference between SQL CROSS JOIN, (INNER) JOIN and comma (",") (besides comma having lower precedence for evaluation …

A cross join performs a cartesian product on the tuples of the two sets. SELECT * FROM Table1 CROSS JOIN Table2 Which circumstances render such an SQL operation particularly useful?

Jul 12, 2010 · For SQL Server, CROSS JOIN and FULL OUTER JOIN are different. CROSS JOIN is simply Cartesian Product of two tables, irrespective of any filter criteria or any condition.

SQL Server can emulate the LATERAL JOIN using CROSS APPLY and OUTER APPLY. LATERAL JOIN allows us to reuse the age_in_years value and just pass it further when …

CROSS APPLY has its obvious usage in allowing a set to depend on another (unlike the JOIN operator), but that doesn't comes without a cost: it behaves like a function that operates over …

Stumbled upon this post from another SO question, but a big difference is the linkage cross join creates. For example using cross apply or another join after B on the first ('comma') variant, …

I'm not sure about what you want to accomplish, but the syntax for a full cartesian product (cross join) is select * from table1, table2 If you don't want to cross everything but only some …

With an inner join, column values from one row of a table are combined with column values from another row of another (or the same) table to form a single row of data. If a WHERE clause is …

Aug 8, 2012 · Cross-join is SQL 99 join and Cartesian product is Oracle Proprietary join. A cross-join that does not have a 'where' clause gives the Cartesian product. Cartesian product result …

Mar 29, 2018 · A CROSS JOIN is used to create a cartesian product, you don't use an ON clause with it. Edit: you could use a WHERE clause, however then the CROSS JOIN implicitly …