Answer Posted / rasmita basantia
The NULLIF function takes two arguments. If the two
arguments are equal, then NULL is returned. Otherwise, the
first argument is returned.
| Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
What are all ddl commands?
Why do we need unique key in a table?
What is a record in a database?
How do you determine the current isolation level? : Transact sql
How do I order columns in sql?
What are the different operators available in sql?
Can procedure in package be overloaded?
Can a key be both primary and foreign?
Why is partition used in sql?
What is the difference between truncate and drop statements?
What does closing a cursor do?
What is the difference between view and stored procedure?
Can we declare a column having number data type and its scale is larger than pricesionex: column_name number(10,100),column_name numbaer(10,-84)
How to test for null values?
How show all rows in sql?