Can we have more than one NULL in a column having unique
constraint?
Answer Posted / kalu
No, because Unique constraint accepts only one null value.
| Is This Answer Correct ? | 16 Yes | 3 No |
Post New Answer View All Answers
What is application role in sql server database security? : sql server security
Explain sql server service broker?
Do you know the different ddl commands in sql?
what is the primary use of the model database? : Sql server administration
What are the 2 types of classifications of constraints in the sql server?
Mention the 3 ways to get a count of the number of records in a table.
What does select 1 mean?
Tell me what is normalization? Explain different forms of normalization?
What are the commands used in DCL?
Describe different Processing Modes offered by SSRS?
Explain atomicity?
What is PROJECTION Operation?
What is a data source file?
You want to generate a report that is formatted as a chart. Can you use the report wizard to create such a report?
What is user-defined functions? What are the types of user-defined functions that can be created?