To qualify a column name, precede the name of the column with the name of the table, followed by a(n) _____.
A) comma (,)
B) period (.)
C) percent sign (%)
D) asterisk (*)

Question

Quizplus · Accepted Answer

To qualify a column name with the table name, a period (.) is used between the table name and the column name. This syntax is commonly used in SQL to distinguish between columns of different tables that may have the same name when joining tables in a query.

To Qualify a Column Name, Precede the Name of the Column