Answers for "where group by clause is used"

SQL
1

GROUP BY clause; this is incompati

mysql> set global sql_mode='STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION';

mysql> set session sql_mode='STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION';
Posted by: Guest on June-27-2020
0

SQL group by having clause

SELECT
    customer_id,
    YEAR (order_date),
    COUNT (order_id) order_count
FROM
    sales.orders
GROUP BY
    customer_id,
    YEAR (order_date)
HAVING
    COUNT (order_id) >= 2
ORDER BY
    customer_id;
Code language: SQL (Structured Query Language) (sql)
Posted by: Guest on May-04-2021

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