Search results for: "record set"

Is it recommended to use mysql_num_rows() or mysql_result() for checking the existence of a record in PHP?

When checking the existence of a record in PHP, it is recommended to use mysql_num_rows() as it is specifically designed for counting the number of ro...

What is the best practice for selecting the last record in a database table in PHP?

When selecting the last record in a database table in PHP, it is best practice to use an ORDER BY clause in your SQL query to sort the records in desc...

What is the significance of displaying a non-existent record in a PHP database?

Displaying a non-existent record in a PHP database can lead to errors or confusion for users. To solve this issue, you can check if the record exists...

How can a blank record be selected for editing in PHP?

To select a blank record for editing in PHP, you can create a new record with empty values in your database table and then retrieve that record for ed...

What is the alternative approach to counting rows in a PDO query to check for the existence of a record?

When checking for the existence of a record in a PDO query, an alternative approach to counting rows is to use the `fetch()` method to retrieve a sing...