Oracle SQL: Get the max record for each duplicate ID in self join table
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Fetch the row which has the Max value for a column
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Returning the 'last' row of each 'group by' in MySQL
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How to get next/previous record in MySQL?
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How to get the count of each distinct value in a column?
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T-SQL: Selecting Column Based on MAX(Other Column)
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Is there a nesting limit for correlated subqueries in some versions of Oracle?
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Find duplicate records in MySQL
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Table - find index of the maximum element
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Simplest way to do a recursive self-join?
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How to debug the mysterious "duplicate value found:  duplicates value on record with id: " error
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How to select last N records from a table in mysql
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Get rows with most recent date for each different item
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Get the row(s) which have the max value in groups using groupby
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Get most common value for each value of another column in SQL
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How do I remove duplicate records in a join table in PostgreSQL?
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SQL to find the number of distinct values in a column
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How to get the last row of an Oracle a table