Видео ютуба по тегу Select Count(*) From People Where Id =

Stop using COUNT(id) to count rows
Stop using COUNT(id) to count rows
How to count unique values Excel
How to count unique values Excel
SELECT COUNT (*) can impact your Backend Application Performance, here is why
SELECT COUNT (*) can impact your Backend Application Performance, here is why
PHP : SQL & PHP - Which is faster mysql_num_rows() or 'select count()'?
PHP : SQL & PHP - Which is faster mysql_num_rows() or 'select count()'?
SELECT COUNT(*) is Slow, Estimate it Instead (with Example in Node JS and Postgres)
SELECT COUNT(*) is Slow, Estimate it Instead (with Example in Node JS and Postgres)