SQL

sql count

/*COUNT(column_name) will return the number of rows from the column 
that are not NULL*/
SELECT COUNT(column_name)
FROM table_name;

/*COUNT(*) will return the number of rows from the table*/
SELECT COUNT(*)
FROM table_name;

Count in sql

SELECT COUNT(*) AS myCount
FROM PropertyForRent
WHERE rent > 350;

sql count(*)

SELECT COUNT(column_name)
FROM table_name
WHERE condition;

SQL COUNT()

SELECT COUNT(*)
FROM Customers;