Search results for: "result set"

Is it possible for a query result to return an error message in PHP when using an insert query that does not produce a result set?

When executing an insert query in PHP that does not produce a result set, it is not possible to directly check for errors using functions like `mysqli...

How can DESC LIMIT be modified to retrieve entries other than the last ones in a PHP query result set?

To retrieve entries other than the last ones in a PHP query result set using DESC LIMIT, you can modify the query by specifying an OFFSET value along...

How can array keys be dynamically set in PHP based on table names and field names from a query result?

To dynamically set array keys in PHP based on table names and field names from a query result, you can loop through the query result and use the table...

Is there a more efficient way to retrieve and modify queries from a PDOStatement result set in PHP?

When working with a PDOStatement result set in PHP, it can be more efficient to fetch all the rows into an array and then modify the data as needed. T...

What are the advantages and disadvantages of using COUNT(*) instead of mysql_num_rows in PHP for retrieving the number of rows in a result set?

When retrieving the number of rows in a result set in PHP, it is generally recommended to use COUNT(*) in the SQL query instead of mysql_num_rows func...