2 ms·the WITH clause is now in SQL Server and Oracleby maxlamb 6y agothe WITH clause is now in SQL Server and Oraclebdcravens 6y agoI don't work with Oracle, but SQL Server has had CTE's since 2005.perl4ever 6y agoMy first reaction was that it was a thing in Oracle when I started using it in 2007, and it appears that they introduced the feature in 2002.