Sql Join Remove Duplicate Rows
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Sql Join Remove Duplicate Rows
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Another way to remove duplicates in SQL is by using the INNER JOIN statement The INNER JOIN statement combines rows from two or more tables based on a related column between them By joining a table with itself we can compare rows and remove duplicates Here s an example of how to use the INNER JOIN statement to In the above simple situation how can I remove duplicates in the following query I want to compare firstname and lastname if they match I return firstname lastname and recid from table2 SELECT DISTINCT FROM SELECT recid first last FROM table1 a INNER JOIN SELECT recid first last FROM table2 b ON a first b first
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