3. SUM() FunctionThe SUM() function is used to find the sum of all values in the given numeric column.Example:Write an SQL query to find the sum of the pension given to the citizen.SELECT SUM(pension) FROM citizen; 4. MAX() Function...
The SUM() function is an aggregate function in SQL that calculates the sum of values in a column. salary is presumably a column in the employees table that holds the salary information for each employee. The query calculates the sum of all values in the salary column for al...
Aggregate selections are useful when the running state of a monotonic AGG function can be used to prune query evaluation. For example, by applying aggregate selections to the shortest-path query, ea...
In a nutshell, the idea is to apply the aggregation function only to known values. For example, the epistemic answer to the query above is 0, because we do not know anybody who is definitely a child of Ann. But this is clearly not the desired answer: since Ann is a parent we know ...
SQL Aggregate Function Exercise, Practice and Solution: From the following table, write a SQL query to find the highest grade of the customers in each city. Return city, maximum grade.
The SQL query calculates various salary statistics (total, average, maximum, and minimum) for employees in department '90', grouped by job title. The SELECT statement selects the job_id column along with the calculated statistics for each job title. The SUM(salary) function ca...
In the relational setting, extensions of the relational algebra as well as of SQL-like languages have been proposed and a wide range of fuzzy queries has been made available. However, the use of conditions involving an aggregate function applying to a fuzzy set is not yet possible except for...
In the relational setting, extensions of the relational algebra as well as of SQL-like languages have been proposed and a wide range of fuzzy queries has been made available. However, the use of conditions involving an aggregate function applying to a fuzzy set is not yet possible except for...
SQL Aggregate Function Exercise, Practice and Solution: From the following table, write a SQL query to compute the sum of the allotment amount of all departments. Return sum of the allotment amount.
SQL Aggregate Function Exercise, Practice and Solution: From the following table, write a SQL query to determine the highest purchase amount made by each salesperson on '2012-08-17'. Return salesperson ID, purchase amount.