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Editorial Team
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Asked: 2026-06-07T15:34:13+00:00

I have two tables in sql server 2008 R2. one table has records as

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I have two tables in sql server 2008 R2.
one table has records as follows, this table is called ASTM_Table

ASTM_Tables

and another table called ASTM1 is like this

enter image description here

Astm1 table contains gravity with 0.1 difference while “astm_table” has gravity with a difference of 0.5 (However, this table is the latest)

All i want is to have all those records from astm1 table and merge them in astm_table, but only those records that are not available in astm_table.

For example, in astm_table, gravity 54.1, 54.2, 54.3, 54.4, 54.6, 54.7, 54.8, 54.9 are not available. so i want to get these values from astm1 table and copy them in astm_table.

is it possible and yes then which query would do the job right? Please Help

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1 Answer

  1. Editorial Team

    If I”m understanding you correctly, you just want to insert all the rows from ASTM1, except those already in ASTM_Table. In that case:

    INSERT INTO ASTM_Table
(astm_id,Table_No,Temperature,Gravity,Result)
SELECT
id,
TBLE,
TEMPR,
GRV_OB,
GRV_SP
FROM ASTM1
WHERE
NOT EXISTS(SELECT * FROM ASTM_Table X WHERE X.Gravity=GRV_OB)
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