Question
What does it mean for a column to be NULL? SELECT ONE OF THE FOLLOWING A. The column stores an empty string B. The column
What does it mean for a column to be NULL? SELECT ONE OF THE FOLLOWING
A. The column stores an empty string
B. The column stores the string 'NULL'
C. The column stores nothing
D. The column stores a zero (0)
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Beginning PostgreSQL On The Cloud Simplifying Database As A Service On Cloud Platforms
Authors: Baji Shaik ,Avinash Vallarapu
1st Edition
1484234464, 978-1484234464
