Title: wp-admin/install-helper.php | Developer.WordPress.org

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# File: wp-admin/install-helper.php

 * function[check_column()](https://developer.wordpress.org/reference/functions/check_column/)
 * Checks that database table column matches the criteria.
 * Used by [0 functions](https://developer.wordpress.org/reference/functions/check_column/#used-by)
   | Uses [1 function](https://developer.wordpress.org/reference/functions/check_column/#uses)
   | Source: [wp-admin/install-helper.php:183](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/install-helper.php#L183-L221)
 * function[maybe_drop_column()](https://developer.wordpress.org/reference/functions/maybe_drop_column/)
 * Drops column from database table, if it exists.
 * Used by [0 functions](https://developer.wordpress.org/reference/functions/maybe_drop_column/#used-by)
   | Uses [2 functions](https://developer.wordpress.org/reference/functions/maybe_drop_column/#uses)
   | Source: [wp-admin/install-helper.php:129](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/install-helper.php#L129-L152)
 * function[maybe_create_table()](https://developer.wordpress.org/reference/functions/maybe_create_table/)
 * Creates a table in the database if it doesn’t already exist.
 * Used by [0 functions](https://developer.wordpress.org/reference/functions/maybe_create_table/#used-by)
   | Uses [5 functions](https://developer.wordpress.org/reference/functions/maybe_create_table/#uses)
   | Source: [wp-admin/install-helper.php:54](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/install-helper.php#L54-L75)
 * function[maybe_add_column()](https://developer.wordpress.org/reference/functions/maybe_add_column/)
 * Adds column to database table, if it doesn’t already exist.
 * Used by [0 functions](https://developer.wordpress.org/reference/functions/maybe_add_column/#used-by)
   | Uses [2 functions](https://developer.wordpress.org/reference/functions/maybe_add_column/#uses)
   | Source: [wp-admin/install-helper.php:91](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/install-helper.php#L91-L114)