SQL TABLES copying one table to anoth

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SQL-Server-2008

Hello

I need some assistance copying one table to another. I Would like to copy the data from table1 to table 2 if the item doesn't exist in table 2.

Thank you very much.

Steven Andler

Posted 1-Jun-11 4:33am

stevenandler

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Dylan Morley · Answer 1 · 2011-06-01T05:22:00

Replace the fields (field1, field2 etc) with your actual field names

This is assuming Field1 is your primary key

SQL

INSERT INTO
    TABLE2 (Field1, Field2, Field3, Field4, Field5)
SELECT
    Field1, Field2, Field3, Field4, Field5
FROM
    TABLE1
WHERE
    Field1 --Obviously, replace this with whatever your PK is in your tables
NOT IN
(
    SELECT Field1 FROM TABLE2
)

Liju Sankar · Answer 2 · 2011-06-01T18:54:00

Solution 2

Hi,
You can use this same logic with the help of EXITS /NOT EXITS keyword to remove 'NOT IN' condition in WHERE clause

Click here for more on SQL: EXISTS Condition

Posted 1-Jun-11 18:54pm

Liju Sankar

Updated 1-Jun-11 18:56pm

v2