UK[ka?nt] US[ka?nt]

n.Total number; count; charges; argument

v. Count; calculate the total; count...; important

Third person singular: counts Plural: counts Present participle: counting Past tense: counted Past participle: counted

mysql COUNT() function syntax

Function: Returns the number of rows matching the specified conditions.

Syntax: SELECT COUNT(*) FROM table_name

mysql COUNT() function example

//計(jì)算客戶 "Carter" 的訂單數(shù)
SELECT COUNT(Customer) AS CustomerNilsen FROM Orders WHERE Customer='Carter';