What are the major differences between databases?

Question

I\'m not fanatic on any database but I wish to see differences between vendors.

For instance, I use mostly Oracle and I see that others (MySQL, SQL Server, PostgreSQL, .

Answer 1

I don't know for the other database server but with PostgreSQL, you can

INSERT INTO mytable
   ( field_1, field_2,... ) 
VALUES
   ( value_1, value_2 )
RETURNING anyfield

anyfield must be a field of mytable of course.

It's very interesting when anyfield is an auto-increment.

see PostgreSQL - INSERT