avg
UK ['eɪvɡ] US ['eɪvɡ]
abbr.average Average
SQLite AVG-Funktion Syntax
Funktion: Die SQLite AVG-Aggregatfunktion berechnet den Durchschnitt einer bestimmten Spalte.
Syntax: sqlite> SELECT avg (eine bestimmte Datenspalte) FROM TABLENAME;
SQLite AVG-Funktion Beispiel
COMPANY 表 ID NAME AGE ADDRESS SALARY ---------- ---------- ---------- ---------- ---------- 1 Paul 32 California 20000.0 2 Allen 25 Texas 15000.0 3 Teddy 23 Norway 20000.0 4 Mark 25 Rich-Mond 65000.0 5 David 27 Texas 85000.0 6 Kim 22 South-Hall 45000.0 7 James 24 Houston 10000.0 实例: sqlite> SELECT avg(salary) FROM COMPANY; 结果: avg(salary) ---------------- 37142.8571428572