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How to update record in a table using records in another table in SQL Server ?

Posted By :volvo     Posted Date :December 26, 2013    Points :40   Category :Sql Server 
update tableOne set tableOne.field1=tableTwo.fieldX from tableOne, tableTwo where tableOne.commonID=tableTwo.commonID

You can also find related Interview Question to How to update record in a table using records in another table in SQL Server ?  below: 

How to update record in a table using records in another table in SQL Server ?

  
update tableOne set tableOne.field1=tableTwo.fieldX from tableOne, tableTwo where tableOne.commonID=tableTwo.commonID (More...)

How To Update Description Value for a Column in Table using SQL Command?

  
We can Update Description to Column using sp_updateextendedproperty System Store Procedure.
Sample Command to Update Description for Column in a Table:

EXEC sys.sp_updateextendedproperty @name=N'MS_Description', @value=N'My Description for Column Here' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'MyTableName', @level2type=N'COLUMN',@level2name=N'ColumnName' (More...)

Which system table holds the details of all the processes running on the Microsoft sql server?

  
The name of the system table is sysprocesses .

Select * from sysprocesses


Make sure you run this query in master database. (More...)

More than one IDENTITY column per table can be exist in SQL Server . (True /False)

  
False.
There can only be one IDENTITY column per table in SQL Server.
Its auto Incremented Column defined by the user. (More...)

How To retrive Duplicate Records when There is no Primary key in a Table?

  
select city_name
from areas
group by city_name

having count(*) > 1 (More...)

What Is Cascade And Restrict When We Use DROP Table In SQL SERVER ?

  
When we are using Drop table in SQL the syntax is simple.
Drop table table_name(CASCADE / RESTRICT)
We use cascade to drop table although it have some dependencies just like triggers,stroeprocrdure,primarykey,foreignkey it will delete first.
But if we use restrict a error message is shown on using of DROP if the table have relation Trigger,storeprocedure. (More...)

Write a SQL query to send mail, whenever a new record is inserted into a table using Sqlserver 2000.

  
Here we have to create a trigger on required table as show below.


CREATE TRIGGER SendRem
ON TableX
AFTER INSERT
AS

EXEC master..xp_sendmail
@recipients='you@you.com',
@message = 'body'
@subject = 'foo was fired.'
GO
(More...)

how to find the table name in sql server database?

  
select * from INFORMATION_SCHEMA.tables where table_name like 'tblname%' (More...)

how to find column name from sql server table?

  
select * from INFORMATION_SCHEMA.Columns where column_name like 'colname%' (More...)

How to get last five minuts records from Oracle Databse table?

  
select col_datetime,sysdate from tblname where trunc(col_datetime)=trunc(sysdate) and to_char(col_datetime,'dd-mm-yyyy hh24:mi:ss')>to_char(sysdate- interval '05' minute,'dd-mm-yyyy hh24:mi:ss')
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If you 1Lakh records of employee in a table, then how will you get the 4th highest salary from the table?

  
SELECT TOP 1 * FROM [EmpTable] WHERE [salary] NOT IN (SELECT DISTINCT TOP 3 salary FROM [temp1] ORDER BY [salary] DESC) ORDER BY salary DESC (More...)

Would the select query below fetch any records?



create table #testvm (ID int)

select * from sysobjects where name = '#testvm'

drop table #testvm

  
No..

Since temp tables are created in tempdb, and use a random name, the query will not work.

If you used a query like this, you would see your table:

select * from tempdb..sysobjects where name like '#testvm%' (More...)

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