How can I return a result set of records with duplicate columns in SQL
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How do I find duplicate entries in a database table?
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SQL comma-separated row with Group By clause
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SQL query to split column data into rows
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Can I combine the results from multiple columns into a single column without UNION?
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How do I compare two columns in SQL?
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SQL query that concatenates values from duplicate rows in a single table
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Combine multiple results in a subquery into a single comma-separated value
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Find duplicate records in MySQL
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How to create a SQL Server function to "join" multiple rows from a subquery into a single delimited field?
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Removing duplicate rows from table in Oracle
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How do I remove duplicate records in a join table in PostgreSQL?
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Return multiple values in one column
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Better query to select multiple columns into a single output column?
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SQL to find the number of distinct values in a column
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How to use GROUP BY to concatenate strings in MySQL?
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Remove duplicate fields in a given column (after ID check)
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combining results of two select statements