Debugging SQL in MySQLi

Question 1

What is debugging in MySQLi?

Answer 1

Debugging in MySQLi involves identifying and resolving errors in SQL queries and database operations to ensure correct functionality.

Question 2

How do you perform debugging operations in MySQLi?

Answer 2

You can perform debugging operations using the mysqli_debug() function.

Question 3

Syntax of mysqli_debug()

Answer 3

mysqli_debug(string $debug_options);

Question 4

What parameter does mysqli_debug() require?

Answer 4

mysqli_debug() require a $debug_options: A string specifying debugging options for MySQLi.
mysqli_debug(“d:t:O”);

“d:t:O” enables debugging output, where “d” stands for debug, “t” for trace, and “O” for output.

Question 5

What is the purpose of using mysqli_debug()?

Answer 5

The purpose of using mysqli_debug() is to log detailed debugging information about MySQLi operations, which helps in diagnosing issues and improving query performance.