oracle sql union tables with different columns

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showing results for - "oracle sql union tables with different columns"
Luigi
12 May 2019
1-- Add extra columns as null for the table having less columns like:
2SELECT COL1, COL2, COL3, COL4, COL5 FROM TABLE1
3UNION
4SELECT COL1, COL2, COL3, NULL AS COL4, NULL AS COL5 FROM TABLE2
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