Can a primary key have null values? If we try to insert a
null value in a primary key column, will it work or give an
error code?
- 6 Answers
- 21285 Views
- I also Faced
- E-Mail Answers
Answer Posted / guest
A primary key can have a NULL value. The error will be
shown only when NOT NULL is defined in the table creation.
| Is This Answer Correct ? | 10 Yes | 10 No |
Post New Answer View All Answers
Please Help Members By Posting Answers For Below Questions
What is performance tuning db2?
What are packages in db2?
What is scrollable cursor in db2?
What is the clustering index in the db2 database?
What is dbrm?
Why do we bind in db2?
How to compare data between two tables in db2?
what is db2 restart?
What is syscat in db2?
What is cascading rollback?
What is runstats db2?
What is db2 optimizer?
Define check constraint.
What is database alias db2?
What is data manager?
