How can you drop a table using module in Drupal?

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To drop a table you can use db_drop_table in install file.

In Drupal, dropping a table (removing it from the database) using a module typically involves utilizing the hook_uninstall() function within your custom module. Here’s a general outline of how you would accomplish this:

php
/**
* Implements hook_uninstall().
*/
function your_module_name_uninstall() {
// Drop the table if it exists.
if (db_table_exists('your_table_name')) {
db_drop_table('your_table_name');
}
}

Explanation:

  1. hook_uninstall(): This hook is invoked when the module is being uninstalled. You implement this hook in your module file (usually your_module_name.module).
  2. db_table_exists('your_table_name'): This function checks if the specified table exists in the Drupal database.
  3. db_drop_table('your_table_name'): This function drops (deletes) the specified table from the database.

By implementing hook_uninstall() in your module file and using the appropriate database functions (db_table_exists() and db_drop_table()), you can ensure that your table is dropped when the module is uninstalled. This is a clean and standard way to handle database changes within Drupal modules.