IIRC most expensive RDBM's (Oracle, SQL server, DB/2) support nested tables in some form through UDTs.<BR><BR>I believe Oracle performs slightly worse with nested tables, but it can have some ...

Normalized data giving you problems? Learn how to use the SQL subselect statement and handle your database like a pro!

SQL is a convenient way to manage and query your data, but badly written queries can tie up your database. Here are seven common SQL traps and how to avoid them.

When I finally unraveled the nested views, which had several unnecessary joins and columns, and wrote a plain query, the time for that same query dropped to subseconds. 3. Do use table-valued ...

Ok guys I'll admit this is homework but I've spent two days trying to figure out how to do this last query and I'm simply stumped. I'm pretty sure I know, intellectually how to do it but I can't ...

Joey on SQL Server Deep Dive into SQL Server 2022's Query Performance Features, Part 2: PSP Optimization Reduce workload times with this handy feature that can benefit every database pro.