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SQL 2021-09-25 09:14:03
select count from table mysql
SELECT COUNT(*) FROM count_demos; Add solution -
PHP 2021-09-17 23:55:02
presentar la respuesta del conteo de la tabla una tabla en php
$sql = "SELECT COUNT(*) total FROM avisos"; $result = $pdo->query($sql); //$pdo sería el objeto conexión $total = $result->fetchColumn(); echo 'Número de total de registros: ' . $total; Add solution -
SQL 2021-09-10 20:57:03
count subquery sql
/*count sub query Depends on the use case, here are a few options*/ Select Count(*) from ( --Sub query Select id from users ) as userCount Select * from ( --Sub query select count(id) as cnt from Users where LastPasswordChangedDate < '2021-01-01' ... Add solution -
SQL 2021-09-10 07:02:03
how to count number of columns in a table in oracle
-- Oracle SELECT count(*) FROM ALL_TAB_COLUMNS WHERE OWNER='owner_name' AND TABLE_NAME = 'table_name'; -- SQL Server / MySQL SELECT count(*) FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA = 'schema_name' AND TABLE_NAME = 'table_name'; Add solution
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