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
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 |
What is a view and what are its advantages?
Give some Scenario for Non Clusterd index? Can we write system defined functions in side The Function? Wat is the Unique Datatype?
Can we call SP inside a query?
5 Answers CA, CarrizalSoft Technologies, Wipro,
How to create a scrollable cursor with the scroll option?
Why is there a performance difference between two similar queries where one uses union and the other uses union all?
What action plan is preferred if sql server is not responding?
How do I start sql server?
what are acid properties? : Sql server database administration
Is it possible for a stored procedure to call itself or recursive stored procedure?
What is the Control Flow in SSIS
What are the restraints imposed on the table design by a merge replication?
What are the steps to take to improve performance of a poor performing query? : sql server database administration
Oracle (3259)
SQL Server (4518)
MS Access (429)
MySQL (1402)
Postgre (483)
Sybase (267)
DB Architecture (141)
DB Administration (291)
DB Development (113)
SQL PLSQL (3330)
MongoDB (502)
IBM Informix (50)
Neo4j (82)
InfluxDB (0)
Apache CouchDB (44)
Firebird (5)
Database Management (1411)
Databases AllOther (288)