Answers for "merge query vs append query"

SQL
0

merge two query sets django

querySet1.union(querySet2, querySet3, etc) #Minimum 1 argument # Subscribe to GuruTheCoder.
Posted by: Guest on November-26-2020
0

merge clause with inner join

MERGE table1
USING (SELECT table3.keycolumn,
              table2.DataColumn1,
              table2.DataColumn2
       FROM table2
       INNER JOIN table3
           ON table2.anotherKey = table3.anotherKey
       WHERE table2.anotherKey = 'A1') tmpTable
ON 
   table1.keyColumn = tmpTable.keyColumn
WHEN MATCHED THEN
       UPDATE
       SET table1.DataColumn1 = tmpTable.DataColumn1
            ,table1.DataColumn2 = tmpTable.DataColumn2;
Posted by: Guest on May-12-2020

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