درس 2

ALTER TABLE `lessons` ADD `lesson_image` VARCHAR(255) NULL AFTER `content`;ALTER TABLE `lessons` ADD `lesson_image` VARCHAR(255) NULL AFTER `content`;ALTER TABLE `lessons` ADD `lesson_image` VARCHAR(255) NULL AFTER `content`;ALTER TABLE `lessons` ADD `lesson_image` VARCHAR(255) NULL AFTER `content`;ALTER TABLE `lessons` ADD `lesson_image` VARCHAR(255) NULL AFTER `content`;ALTER TABLE `lessons` ADD `lesson_image` VARCHAR(255) NULL AFTER `content`;ALTER TABLE `lessons` ADD `lesson_image` VARCHAR(255) NULL AFTER `content`;ALTER TABLE `lessons` ADD `lesson_image` VARCHAR(255) NULL AFTER `content`;ALTER TABLE `lessons` ADD `lesson_image` VARCHAR(255) NULL AFTER `content`;ALTER TABLE `lessons` ADD `lesson_image` VARCHAR(255) NULL AFTER `content`;ALTER TABLE `lessons` ADD `lesson_image` VARCHAR(255) NULL AFTER `content`;