Para contar o número de linhas na tabela SQL
SELECT count(*)
FROM information_schema.columns
WHERE table_name = 'Your_table_nale';
Light Leopard
SELECT count(*)
FROM information_schema.columns
WHERE table_name = 'Your_table_nale';
/*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;select count(*) from tablenameSELECT COUNT(*) as count_pet
FROM pet;