Answer Posted / babu
nullif basically allows you to compare 2 expressions of
same datatype and return null if both are equal. else it
would return the first expression.eg:
nullif(10,10) returns null
| Is This Answer Correct ? | 6 Yes | 0 No |
Post New Answer View All Answers
How do you copy a table in sql?
What are sql indexes?
Is sql a microsoft product?
Define select, insert, create, delete, update, drop keywords
What is coalesce sql?
What is the difference between local variables and global variables?
Mention what is the use of function "module procedure" in pl/sql?
Which are the different case manipulation functions in sql?
Is sql considered coding?
Is sql scripting language?
How many clustered indexes can you have?
Is sql a backend language?
When do we use triggers?
How do I view an execution plan in sql?
What is data modelling in sql?