Any number of Null values can be inserted in such a column.

How many null values can be inserted in a coulmn whihc is unique constraint

Question Posted / sumit

Answer Posted / sumit

Is This Answer Correct ?

33 Yes

7 No

Please Help Members By Posting Answers For Below Questions

where are cookies actually stored on the hard disk? : Sql dba

1017

What is cursor in pl sql with examples?

1011

What are the basic techniques of indexing?

1050

How can I tell if sql is running?

1033

how to load data files into tables with 'mysqlimport'? : Sql dba

1079

What are the advantages of indexing?

967

What are sql ddl commands?

1074

Is record in oracle pl sql?

944

What is %type in sql?

948

Is not equal in sql?

996

Explain what is table in a database?

1046

Can dml statements be used in pl/sql?

1061

What is the difference between the repeatable read and serializable isolation levels? : Transact sql

1077

What is the order of sql select?

1030

What are the advantages of sql?

1037