Author Question: The only required element(s) for an SQL statement is(are) which of the following? A) From keyword ... (Read 58 times)

tth · **on:** Jul 7, 2018

The only required element(s) for an SQL statement is(are) which of the following?

A) From keyword B) Select statement
C) Select and SQL statements D) Select statement and From keyword

Question 2

Projection operation does which of the following?

A) Retrieves a subset of rows B) Makes a link between two tables
C) Combines data from two tables D) Retrieves a subset of columns