Search results for: "INSERT query"

What is the purpose of using mysql_num_rows() in an INSERT query in PHP?

When using an INSERT query in PHP, the mysql_num_rows() function is not necessary as it is used to retrieve the number of rows in a result set from a...

What are the potential issues with executing a SELECT query before an INSERT query in PHP?

Executing a SELECT query before an INSERT query in PHP can lead to potential race conditions where two processes try to insert the same data simultane...

Why is it incorrect to use mysql_num_rows() in an INSERT query in PHP?

Using mysql_num_rows() in an INSERT query in PHP is incorrect because mysql_num_rows() is used to get the number of rows in a result set from a SELECT...

Why is using mysql_fetch_array() in an INSERT query in PHP incorrect?

Using mysql_fetch_array() in an INSERT query in PHP is incorrect because it is used to fetch rows from a result set, not to insert data into a databas...

What are the potential pitfalls of using direct SELECT queries immediately after an INSERT query in PHP?

Using direct SELECT queries immediately after an INSERT query in PHP can lead to potential issues such as race conditions where the SELECT query retri...