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SQLite AVG Function
SQLite AVG Function with history, features, advantages, installation, commands, syntax, datatypes, operators, expressions, databases, table, crud operations, clauses, like, glob, limit, and clause, advance sqlite
SQLite AVG functionSQLite AVG function is used to retrieve the average value of an expression. Syntax: SELECT AVG(aggregate_expression) FROM tables [WHERE conditions]; Syntax when you use AVG function with GROUP BY clause: SELECT expression1, expression2, ... expression_n AVG(aggregate_expression) FROM tables [WHERE conditions] GROUP BY expression1, expression2, ... expression_n; Example1: We have a table named "STUDENT", having the following data: 
Retrieve the average fees of all students in "STUDENT" table. SELECT AVG(FEES) AS "Avg Fees" FROM STUDENT WHERE ID <= 5; Output: 
Exampple2: Using DISTINCT clause with AVG function Retrieve average distinct fees from "STUDENT" table where FEES is greater than 10000. SELECT AVG(DISTINCT FEES) AS "Avg Fees" FROM STUDENT WHERE FEES > 10000; Output: 
Example3: Using mathematical formula with AVG function You can use mathematical formulae to retrieve an average value according to your requirement: SELECT AVG(FEES / 12) AS "Average Monthly Fees" FROM STUDENT; Output: 
Example4: Using GROUP BY clause with AVG Function Retrieve NAME and FEES from the table and GROUP BY the result by AGE: SELECT NAME, SUM(FEES) AS "Avg Fees by Name" FROM STUDENT GROUP BY AGE; Output: 
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