Can we use more than one null value for unique key?

Answer Posted / a

we have to use computed column to insert multiple null values.

Is This Answer Correct ?    1 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Can you select everything, but 1 or 2 fields, without writer's cramp?

500


What is the difference between row level and statement level trigger?

522


What is self-join and what is the requirement of self-join?

635


Explain the order of sql statement execution?

615


How to run sql functions in pl/sql?

542






Define sql delete statement.

568


What are different types of sql?

564


Why do we need databases?

569


How many sql databases can you have on one server?

595


What are the topics in pl sql?

522


how to use regular expression in pattern match conditions? : Sql dba

528


What is sql and also describe types of sql statements?

567


How many types of cursors are available in pl/sql?

586


Can we join tables without foreign key?

522


What are types of joins?

538