Is it possible existing dabase table content overide?

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DataBase1 Table A (in this table have some data)

DataBase2 Table B ( in this table have some data)

Table A in Have diffrent data and Tabel B have Different Data

we need B table data overided with A tabe data is it possible

Posted 7-May-12 23:10pm

2011999

Updated 8-May-12 7:35am

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RDBurmon 8-May-12 8:23am

Sorry but I really don't understand . Is it issue or question ?

Sandeep Mewara 8-May-12 8:45am

This is not a well framed question! We cannot work out what you are trying to do/ask from the post. Please elaborate and be specific.
Use the "Improve question" link to edit your question and provide better information.

Corporal Agarn 8-May-12 11:07am

Please give more information. Do you want to override the data in a database? Where is the override data coming from?

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Ganesan Senthilvel · Answer 1 · 2012-05-08T07:45:00

Solution 2

Pretty straight forward. Step is to drop table B and insert A table records into B. Sample SQL code is as:

SQL

----Clean Up target table B
DROP TABLE B

----Insert new records into target table
INSERT INTO B (FirstName, LastName)
SELECT FirstName, LastName
FROM A

----Verify that Data in B
SELECT FirstName, LastName FROM B

Posted 8-May-12 7:45am

Ganesan Senthilvel

Comments

2011999 8-May-12 13:50pm

hear databases are differnet. we are not loss the data A Table data or B Table data.

Corporal Agarn 8-May-12 15:02pm

Does that mean you want the data from both tables to remain? Do you want both table to have all the data?

Maciej Los 8-May-12 17:59pm

Please, specify your problem, provide more details... We can't read your mind...

Corporal Agarn 8-May-12 15:01pm

GanesanSenthilvel - I think you would want a DELETE FROM B as if you did the DROP the INSERT INTO would not work.

Maciej Los 8-May-12 17:57pm

I agree with you. My vote of 1.