What is common table expression in sql

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  Error Code: 1055. Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column \\ 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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  Float postgres

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  Which is the order of precedence among following operator IN OUT AND OR in sql

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  Sql query use select name inside where clause

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  Create column sql

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  Create email address from first and last name in sql

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  One table with another

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  Checking data type in sql server

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  Mysql create table like

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