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How can I get MySQL error code in PHP?

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How can I get MySQL error code in PHP?

To get the error message we have to use another function mysqli_error() to print the error message returned by MySQL database after executing the query. Here it is how to print the error message. echo mysqli_error(); The above line will print the error returned by mysql database if the query fails to execute.

How do I view MySQL errors?

Introduction to MySQL SHOW ERRORS statement

  1. SHOW ERRORS; To limit the number of errors to return, you use the SHOW ERRORS LIMIT statement:
  2. SHOW ERRORS [LIMIT [offset,] row_count];
  3. SHOW COUNT(*) ERRORS;
  4. SELECT @@error_count;
  5. SELECT id FROM products;
  6. SHOW ERRORS;
  7. SELECT @@error_count;

How do I show MySQL errors?

We can display error message in case of an error generated by mysql query. This meaning full error message gives idea one the problem or bugs in the script. We can print the error message by using mysql function mysql_error(). This function returns the error message associated with most recently executed query.

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What is a MySQL error?

On the server side, error messages may occur during the startup and shutdown processes, as a result of issues that occur during SQL statement execution, and so forth. The MySQL server writes some error messages to its error log. These indicate issues of interest to database administrators or that require DBA action.

What is the relationship between MySQL and PHP?

PHP is the most popular scripting language for web development. It is free, open source and server-side (the code is executed on the server). MySQL is a Relational Database Management System (RDBMS) that uses Structured Query Language (SQL). It is also free and open source.

How can I get database error in php?

2 Answers. Just simply add or die(mysqli_error($db)); at the end of your query, this will print the mysqli error.