Update a table with the details of another in the backend

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SQL-Server-2008R2

Dear Expect,

Need to update a table with the fields content from another in the back-end in ms sql server 2008.

Using New Query tool

The 2 tables are as follows.

The table to be updated is :

Table_Update.dbo

1. Idno
2. Name
3. Update_Amount

The table from which the data is coming from is

Table_From

1. Idno
2. Name
3. From_Amount

Please provide me with a routine to carry out the above in the backend

Thanks

What I have tried:

Checked the internet but couldn't find a sample

Posted 26-Feb-16 17:28pm

Member 10744248

Updated 26-Feb-16 20:01pm

RDBurmon

v2

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RDBurmon · Accepted Answer · 2016-02-26T20:01:00

Try this - See the UPDATE query below

SQL

CREATE TABLE DstTbl (Idno INT,Name NVARCHAR(50),Update_Amount INT)
CREATE TABLE SrcTbl (Idno INT,Name NVARCHAR(50),Update_Amount INT)

INSERT INTO SrcTbl 
SELECT 1,'AB',100

INSERT INTO DstTbl 
SELECT 1,'',null

UPDATE DstTbl SET Name=s.Name, Update_Amount =s.Update_Amount 
FROM SrcTbl s INNER JOIN DstTbl d on s.Idno=d.Idno

select * from DstTbl