CREATE TABLE alert_info ( `id` INTEGER(11) NOT NULL AUTO_INCREMENT COMMENT '主键ID', `content` VARCHAR(2048) NOT NULL DEFAULT '' COMMENT '名称', `create_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间', `update_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '修改时间', `create_by` varchar(32) NOT NULL DEFAULT 'SYS' COMMENT '创建人', `update_by` varchar(32) NOT NULL DEFAULT 'SYS' COMMENT '修改人', `delete_tag` tinyint NOT NULL DEFAULT 0 COMMENT '标记删除', PRIMARY KEY (id) );