Add useful SQL equivalents

[vitaliihonta]

Filtering:

• [ ] num.between(x: Num, y: Num) ???
• [ ] coalesce?
• [ ] limit
• [ ] offset
• [ ] like (https://www.postgresqltutorial.com/postgresql-tutorial/postgresql-like/)

Ordering:

• [ ] nullsFirst, nullsLast

Set operators:

• [ ] intersect
• [ ] except?

Aggregation:

• [ ] Agg without groupBy (SELECT max(temp_lo) FROM weather;)
• [ ] Think about having
• [ ] And more from https://www.postgresql.org/docs/current/functions-aggregate.html

Window functions:

• [ ] https://www.postgresql.org/docs/current/functions-window.html

Sub query expressions

• [ ] https://www.postgresql.org/docs/current/functions-subquery.html