📜  oracle avg - SQL (1)

📅  最后修改于: 2023-12-03 15:33:18.777000             🧑  作者: Mango

Oracle AVG - SQL

Introduction

In Oracle SQL, the AVG function is used to calculate the average value of a given set of numeric data. It takes a column name as input and returns the average value of that column.

Syntax

The syntax for using the AVG function in Oracle SQL is as follows:

SELECT AVG(column_name) FROM table_name;

Where column_name represents the name of the column that contains the numeric data and table_name represents the name of the table that contains the data.

Example

Here's an example of using the AVG function in Oracle SQL.

SELECT AVG(salary) FROM employees;

This query will return the average salary of all employees in the employees table.

Output

The output of the above query will be a single value representing the average salary of all employees.

Conclusion

The AVG function in Oracle SQL is a useful tool for calculating average values of numeric data in a table. By using this function, programmers can quickly and easily obtain important statistical information about their data.