How do you sum based on condition in SQL?

How do you sum based on condition in SQL?

SELECT SUM(column_name) FROM table_name WHERE condition;

1. SQL SUM() function example – On a Specific column.
2. SUM() function On multiple columns.
3. SQL SUM() with where clause.
4. SQL SUM() EXAMPLE with DISTINCT.
5. SQL SUM function with GROUP BY clause.

How do you use the sum function in a case statement?

Then comes the curious use of a SUM() with a CASE WHEN . This expression says whenever the number_of_lectures is higher than 20, the row is assigned the value 1. If the condition is not met, the assigned value is 0. The SUM() function will sum all those rows that have the assigned value equal to 1.

How do you use sum function in query?

Add a Total row

1. Make sure that your query is open in Datasheet view. To do so, right-click the document tab for the query and click Datasheet View.
2. On the Home tab, in the Records group, click Totals.
3. In the Total row, click the cell in the field that you want to sum, and then select Sum from the list.

How do you sum in SQL Server?

SELECT department, SUM(quantity) AS “Total Quantity” FROM products WHERE quantity > 10 GROUP BY department; Because you have listed one column in your SELECT statement that is not encapsulated in the SUM function, you must use a GROUP BY clause. The department field must, therefore, be listed in the GROUP BY section.

How do I sum a row value in SQL?

The aggregate function SUM is ideal for computing the sum of a column’s values. This function is used in a SELECT statement and takes the name of the column whose values you want to sum. If you do not specify any other columns in the SELECT statement, then the sum will be calculated for all records in the table.

How do you sum distinct values in SQL?

SQL Server SUM

1. ALL instructs the SUM() function to return the sum of all values including duplicates. ALL is used by default.
2. DISTINCT instructs the SUM() function to calculate the sum of the only distinct values.
3. expression is any valid expression that returns an exact or approximate numeric value.

How do I get the sum of a column in SQL?

The SUM() function returns the total sum of a numeric column.

Can you do sum distinct?

With SUM(), AVG(), and COUNT(expr), DISTINCT eliminates duplicate values before the sum, average, or count is calculated. You can’t use DISTINCT with COUNT(*).

What is SQL rank?

RANK() Function in SQL Server The RANK() function is a window function could be used in SQL Server to calculate a rank for each row within a partition of a result set. The same rank is assigned to the rows in a partition which have the same values. The rank of the first row is 1.

How do you sum in SQL?

The syntax for the SUM function in SQL is: SELECT SUM(aggregate_expression) FROM tables [WHERE conditions]; SELECT expression1, expression2, SELECT SUM(salary) AS “Total Salary” FROM employees WHERE salary > 25000; SELECT SUM(DISTINCT salary) AS “Total Salary” FROM employees WHERE salary > 25000;

How do you use sum function in SQL?

SQL SUM function is used to find out the sum of a field in various records. You can take sum of various records set using GROUP BY clause. Following example will sum up all the records related to a single person and you will have total typed pages by every person.

What is sum in SQL?

The SQL Server SUM() function is an aggregate function that calculates the sum of all or distinct values in an expression.

What are the syntax rules for SQL?

SQL is followed by a unique set of rules and guidelines called Syntax. This tutorial gives you a quick start with SQL by listing all the basic SQL Syntax. All the SQL statements start with any of the keywords like SELECT, INSERT, UPDATE, DELETE, ALTER, DROP, CREATE, USE, SHOW and all the statements end with a semicolon (;).