Answer Posted / goutam
nvl(expr1,expr2)
if expr is null
expr is the converted value.
nvl(name,'not known')
name is null
then it show not known
| Is This Answer Correct ? | 11 Yes | 1 No |
Post New Answer View All Answers
Enlist some predefined exceptions?
What is the difference between the repeatable read and serializable isolation levels? : Transact sql
What is AUTH_ID and AUTH_USER in pl/sql ?
What program will open a mdb file?
what is a unique key ? : Sql dba
Why do we use partitions in sql?
How to move files from one directory to another in pl sql?
What is the difference between a procedure and a function?
Is nosql faster than sql?
How do you copy a table in sql?
what are set operators in sql? : Sql dba
What is break?
list out some tools through which we can draw e-r diagrams for mysql. : Sql dba
What is the most restrictive isolation level? : Transact sql
Is trigger a stored procedure?