What is the meaning of GROUP BY clause *?

What is the meaning of GROUP BY clause in my SQL?

The MYSQL GROUP BY Clause is used to collect data from multiple records and group the result by one or more column. It is generally used in a SELECT statement. You can also use some aggregate functions like COUNT, SUM, MIN, MAX, AVG etc. on the grouped column.

What is the meaning of GROUP BY clause in SQL Mcq?

What is the meaning of “GROUP BY” clause in Mysql? a) Group data by column values. b) Group data by row values. c) Group data by column and row values. Explanation: None.

What is GROUP BY with example?

The SQL GROUP BY Statement The GROUP BY statement groups rows that have the same values into summary rows, like "find the number of customers in each country". The GROUP BY statement is often used with aggregate functions ( COUNT() , MAX() , MIN() , SUM() , AVG() ) to group the result-set by one or more columns.

What is GROUP BY and HAVING clause?

The HAVING clause is used instead of WHERE with aggregate functions. While the GROUP BY Clause groups rows that have the same values into summary rows. The having clause is used with the where clause in order to find rows with certain conditions. The having clause is always used after the group By clause.