Subqueries in the FROM clause can return multiple attributes. True False Last saved on Feb 14 at 12:44 PM Q2.2 1 Point The relational model uses static types for the attributes in a table. True False In relational algebra, grouping and aggregation can be done with a single operator. True False Q2.4 1 Point Every relational algebra plan uses the "project" operator. True False True False Q2.5 1 Point Subqueries in the WHERE clause must only return one attribute. True False