Why is generating statistics on a table important to query performance?

Using a date column as a distribution key may distribute rows evenly across dataslices, why is this
a poor choice of a distribution key?

You have created a group GroupA with JOB MAXIMUM of 4, which statement is true?

Which CREATE DATABASE attributes are required?

Which statement is true for database users and groups?

When creating a table, you can specify a column constraint for each individual column of either
“NULL” or “NOT NULL”. When column values are later evaluated within a query statement, which
of these is true?

To create a database table, at a minimum, what must be specified?

Which two characteristics describe materialized views. (Choose two.)

What is a benefit of Clustered Base Tables?

When are zonemaps initially created for a table?