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 |
How can sql server instances be hidden? : sql server security
Can anyone explain difference between Database, Data warehouse and Data mart with some example?````
How can sql injection be stopped? : sql server security
I have cleared sbi clerk examination. I am Bachelor in computer application (BCA) graduate. so which type of question related bca in sbi clerk interviews. pls answers me at sejalvaghela@yahoo.co.in.. and also tell me which type of question asked in sbi clerk interview.
What is table level trigger?
Why is there a performance difference between two similar queries where one uses union and the other uses union all?
What are pages and extents? : SQL Server Architecture
How to delete duplicate records from a table?(for suppose in a table we have 1000 Records in that we have 200 duplicate Records , so ,how to findout that duplicate Records , how to delete those Records and arranged into sequence order? one more thing that there is no primary key at all)
What is an active database?
Explain about link server in sql server?
What does <> symbol mean?
1. Tell me your daily activities 2. If sql server installation fails at time installation what will do 3. Where does the sql server installation log details are stored 4. After the installation what will you do for memory configuration 5. What is the difference between SQL max maximum memory and AWE memory 6. How will you configure AWE memory 7. How will setup an email alert for the backup job 8. After the SQL installation what are the jobs will you configure 9. What does –g mean in the sql startup parameter 10. What is the difference between Bulked log and Full recovery model 11. What is the difference between mirroring and log shipping 12. What are the steps to be followed before in-place up gradation 13. After installing the patch the sql server does not start and application team tells to rollback the changes .In this scenario what will you do