Q1: The logical linkage between two or more than two tables with the help of unique key field.
Q2: Enables the user to limit values that can be accepted into a field.
Q3: A collection of multiple related field, which may give complete information about a rows and columns.
Q4: A collection of records or group of records consisting of number of rows and columns.
Q5: The query that retrieves data from one or more tables and displayed the result in a datasheet.