In SQL, which command is used to SELECT only one copy of each set of duplicable rows
A. SELECT DISTINCT
B. SELECT UNIQUE
C. SELECT DIFFERENT
D. All of the Mentioned
Answer:A
In SQL, which command is used to SELECT only one copy of each set of duplicable rows
A. SELECT DISTINCT B. SELECT UNIQUE C. SELECT DIFFERENT D. All of the Mentioned
Explanation: The keyword allows us to grab all information from a column (or columns) on a table. This, of course, necessarily means that there will be redundancies. What if we only want to select each distinct element? This is easy way to accomplish in SQL. All we need to do is that to add after The syntax is:SELECT DISTINCT column_name FROM table_name;.