ALTER TABLE `corporate_invoice`
MODIFY COLUMN `PO`  varchar(500) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL AFTER `ORIGINAL_FILE_PATH`;
ALTER TABLE `corporate_invoice_items`
MODIFY COLUMN `NAME`  varchar(300) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL AFTER `PID`;
ALTER TABLE `corporate_invoice_items`
MODIFY COLUMN `NAME`  varchar(400) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL AFTER `PID`;