Asked by Lahcen Boujadi on Sep 28, 2024
To find employee records that do not contain an entry in the Email field,use the _____ criterion in the Email field.
A) Is Not Null
B) Is Null
C) Find Unmatched
D) Is Blank
Email Field
A specific field in databases or forms designed to capture and store email addresses.
Is Null
A term used in programming and databases to indicate that a data value does not exist or is unknown.
- Grasp the methodology for searching null values and understand the effects of utilizing the "Is Null" condition.
- Grasp the purpose and usage of null values in a database.
Learning Objectives
- Grasp the methodology for searching null values and understand the effects of utilizing the "Is Null" condition.
- Grasp the purpose and usage of null values in a database.