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)GROUP BY
SELECT <field1, field2, field3…>
FROM <table1_name>
WHERE <condition/expression>
GROUP BY <field1, field2, field3…>grouping sql
SELECT SalesQuota, SUM(SalesYTD) 'TotalSalesYTD', GROUPING(SalesQuota) AS 'Grouping'
FROM Sales.SalesPerson
GROUP BY SalesQuota WITH ROLLUP;
GOgroup functions in sql
Multiple Row Functions (Group functions, Aggregate functions):
(Count, MIN , MAX, AVG, SUM)
will run for multiple rows and return a single valueCopyright © 2021 Codeinu
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