---新建表 USE OMC_PUB; CREATE TABLE IF NOT EXISTS `sysAlarmInfo` ( `sysTypeNo` smallint(5) UNSIGNED NOT NULL DEFAULT 0, `sysNo` smallint(3) UNSIGNED NOT NULL DEFAULT 0, `subSysNo` smallint(3) UNSIGNED NOT NULL DEFAULT 0, `compCode` smallint(3) UNSIGNED NOT NULL DEFAULT 0, `alarmCode` smallint(3) UNSIGNED NOT NULL DEFAULT 0, `alarmTime` datetime(0) NOT NULL DEFAULT '0000-00-00 00:00:00', `clearTime` datetime(0) NOT NULL DEFAULT '0000-00-00 00:00:00', `clearMode` tinyint(4) NOT NULL DEFAULT 0, `clearInfo` varchar(64) CHARACTER SET latin1 COLLATE latin1_swedish_ci NULL DEFAULT NULL, `clearBy` varchar(20) CHARACTER SET latin1 COLLATE latin1_swedish_ci NULL DEFAULT NULL, `alertCheck` tinyint(1) UNSIGNED NOT NULL DEFAULT 0, `alarmId` varchar(64) CHARACTER SET latin1 COLLATE latin1_swedish_ci NULL DEFAULT NULL, `alarmInfo` varchar(255) CHARACTER SET latin1 COLLATE latin1_swedish_ci NULL DEFAULT NULL, INDEX `clearTime`(`clearTime`) USING BTREE, INDEX `alarmTime`(`alarmTime`) USING BTREE, INDEX `sysTypeNo`(`sysTypeNo`) USING BTREE, INDEX `sysNo`(`sysNo`) USING BTREE, INDEX `subSysNo`(`subSysNo`) USING BTREE ) ENGINE = MyISAM CHARACTER SET = latin1 COLLATE = latin1_swedish_ci ROW_FORMAT = Dynamic; ---删除表 ----新增字段 ---删除字段 ---修改字段 ---ALTER TABLE OMC_PUB.omcPubVarConf CHANGE COLUMN IF EXISTS `remark` remark1 VARCHAR(255);