how to update a null value field in sql server
eg
a table contains 3 fields id,name,salary
and 3 records
salary of 1 record is null
i want update the nullfield
111 arun 300
112 ddd 200
113 ttt null
i want to update table with add 100 to every record include null
after updation
the recrds should be
111 arun 400
112 ddd 300
113 ttt 100
- 6 Answers
- 16989 Views
- ABC, HCL, I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / ganapathi
solution 1:
update table_name set
salary = isnull(salary,0) + 100
solution 2:
update table_name set
salary = case when
salary is null then 100
else salary + 100
end
| Is This Answer Correct ? | 49 Yes | 1 No |
Answer / ganesh.k
UPDATE Table_Name SET Salary = COALESCE(Salary,0) + 100
(Or)
UPDATE Table_Name SET Salary = ISNULL(Salary,0) + 100
| Is This Answer Correct ? | 15 Yes | 2 No |
Answer / mohan
create table #temp (eid int, names varchar(10),sal int)
insert into #temp values (111, 'arun', 300)
insert into #temp values(112, 'ddd', 200)
insert into #temp values(113,'ttt',null)
select * from #temp
update #temp
set sal = isnull(sal,0)+ 100
select * from #temp
| Is This Answer Correct ? | 6 Yes | 2 No |
Answer / justus
update tablename set salary=100 where salary is null
| Is This Answer Correct ? | 6 Yes | 10 No |
Answer / dinesh sharma
It Simple
Just Write Down The Query
update table_Name set salary=100 where salary is null
| Is This Answer Correct ? | 12 Yes | 28 No |
State the difference between union and union all?
What are the type of joins? When do we use Outer and Self joins?
If a user does not have permission to a table, but has permission to a view created on it, will he be able to view the data in table?
Do you have any idea about the tcl commands?
How many types of schemas are there?
what is performance tunning in sql server ? explain.
Can we update data in a view?
what are the steps you will take to improve performance of a poor performing query? : Sql server database administration
WRITE A FUNCTION TO DISPLAY THE OUTPUT OF AN EXISTING TABLE RANGE LIKE COMMAM SEPERATED VALUES LIKE RANGE1,RANGE2,...
how many type of indexing in database?
Do you know sql server 2008 introduces automatic auditing?
Differentiate between delete and truncate.
-
Oracle (3258) - SQL Server (4518)
- MS Access (429)
- MySQL (1402)
- Postgre (483)
- Sybase (267)
- DB Architecture (141)
- DB Administration (291)
- DB Development (113)
- SQL PLSQL (3328)
- MongoDB (502)
- IBM Informix (50)
- Neo4j (82)
- InfluxDB (0)
- Apache CouchDB (44)
- Firebird (5)
- Database Management (1411)
- Databases AllOther (288)
