Testing sql queries

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  Error Code: 1055. Expression #2 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'mydb.term.year' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by

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  Plpgsql create function

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  BigQuery Remove Duplicate Keys From Table

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  What is where in sql

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  Oracle difference between two dates in seconds

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  IS THEre any difference between using default and := in plsql

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  Create index concurrently postgres

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