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Editorial Team
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Asked: 2026-05-11T21:11:43+00:00

Table A Col1 Col2 101 102 101 103 102 104 104 105 Table B

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Table A
Col1 Col2
101  102
101  103
102  104
104  105

Table B
Col1
101
102
103
104
105

I want to take data from Table A and insert it into Table B as a Distinct value in one query
so INSERT INTO TableB (Col1) (SELECT ...)

Any ideas?

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1 Answer

  1. Editorial Team

    You should be able to do:

     INSERT INTO TableB (Col1)
 (SELECT Col1 FROM TableA
  UNION
 SELECT Col2 FROM TableA)
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