What is the result, when NULL is compared with NULL?
Answer Posted / kirankumar.vangeti
Null is neither equal to null nor it is not equal to null.
Any comparison to null is evaluated to null.
| Is This Answer Correct ? | 3 Yes | 0 No |
Post New Answer View All Answers
What are all the different normalization?
Explain aggregate functions are available there in sql?
What is AUTH_ID and AUTH_USER in pl/sql ?
What is aggregate function in sql?
How to get list of all tables from a database?
what is the difference between undefined value and null value? : Sql dba
i have 2 table table one 4 columns respective values a1 7,a2 6,a3 8 ,a4 12 & table two 4 colums respective values a1 7,a2 6,a3 8,a4 15.if table one & table two 3 colums same then 4th column values 1)Qes diff >5 then print 5 * diff value 2)Que diff <5 print 5
What is a primary key? Explain
Where can I learn sql for free?
What are triggers and its types?
What is a parameter query?
how to create a new view in mysql? : Sql dba
How do I audit the sql sent to the server?
Which sql statement is used to return only different values?
how to calculate expressions with sql statements? : Sql dba