A table-expression is a SELECT statement. It is the fundamental building block of most SQL procedure statements. You can combine the results of multiple table-expressions with set operators, which ...

Recursion is implemented in standard SQL-99 using common table expressions (CTEs). DB2, Microsoft SQL Server, Oracle and PostgreSQL all support recursive queries using CTEs. Note that Oracle also ...

Window functions and CTEs (Common Table Expressions) also have first-class support. ... Queries in Tortoise do not track as closely to SQL syntax as some other ORMs. For instance, ...