Search results for: "rowCount"

What are the potential pitfalls of using mysql_num_rows to count the number of rows in a MySQL result set in PHP?

Using `mysql_num_rows` to count the number of rows in a MySQL result set in PHP can be inefficient and may not work as expected in certain situations....

What potential pitfalls should be considered when using the mysql_num_rows() function in PHP?

When using the mysql_num_rows() function in PHP, it is important to consider that it is deprecated as of PHP 5.5.0 and removed in PHP 7.0.0. It is rec...

Are there any potential pitfalls or limitations when using PDO::Exec for update statements compared to mysql_affected_rows()?

When using PDO::exec for update statements, one potential pitfall is that it does not return the number of affected rows like mysql_affected_rows() do...

What is the recommended method for counting database entries with PDO in PHP?

When counting database entries with PDO in PHP, it is recommended to use the `rowCount()` method after executing a SELECT query. This method returns t...

How can one properly handle column count mismatches in SQL queries in PHP?

When handling column count mismatches in SQL queries in PHP, one solution is to use the `rowCount()` method to check the number of columns returned by...