Which are the SQL improvements you are waiting for?

Question

Dealing with SQL shows us some limitations and gives us an opportunity to imagine what could be.

Which improvements to SQL are you waiting for? Which would you put on t

Answer 1

These are all MS Sql Server/T-SQL specific:

1. "Natural" joins based on an existing Foreign Key relationship.
2. Easily use a stored proc result as a resultset
3. Some other loop construct besides while
4. Unique constraints across non NULL values
5. EXCEPT, IN, ALL clauses instead of LEFT|RIGHT JOIN WHERE x IS [NOT] NULL
6. Schema bound stored proc (to ease #2)
7. Relationships, schema bound views, etc. across multiple databases