本节提供有关 MySQL 8.1 中关键字和保留字的信息。
以下列表显示了 MySQL 8.1 中的关键字和保留字,以及各个单词从版本到版本的变化。保留关键字用 (R) 标记。
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
ACCESSIBLE(R)ACCOUNTACTIONACTIVEADD(R)ADMINAFTERAGAINSTAGGREGATEALGORITHMALL(R)ALTER(R)ALWAYSANALYZE(R)AND(R)ANYARRAYAS(R)ASC(R)ASCIIASENSITIVE(R)ATATTRIBUTEAUTHENTICATIONAUTOEXTEND_SIZEAUTO_INCREMENTAVGAVG_ROW_LENGTH
BACKUPBEFORE(R)BEGINBETWEEN(R)BIGINT(R)BINARY(R)BINLOGBITBLOB(R)BLOCKBOOLBOOLEANBOTH(R)BTREEBUCKETSBULKBY(R)BYTE
CACHECALL(R)CASCADE(R)CASCADEDCASE(R)CATALOG_NAMECHAINCHALLENGE_RESPONSECHANGE(R)CHANGEDCHANNELCHAR(R)CHARACTER(R)CHARSETCHECK(R)CHECKSUMCIPHERCLASS_ORIGINCLIENTCLONECLOSECOALESCECODECOLLATE(R)COLLATIONCOLUMN(R)COLUMNSCOLUMN_FORMATCOLUMN_NAMECOMMENTCOMMITCOMMITTEDCOMPACTCOMPLETIONCOMPONENTCOMPRESSEDCOMPRESSIONCONCURRENTCONDITION(R)CONNECTIONCONSISTENTCONSTRAINT(R)CONSTRAINT_CATALOGCONSTRAINT_NAMECONSTRAINT_SCHEMACONTAINSCONTEXTCONTINUE(R)CONVERT(R)CPUCREATE(R)CROSS(R)CUBE(R)CUME_DIST(R)CURRENTCURRENT_DATE(R)CURRENT_TIME(R)CURRENT_TIMESTAMP(R)CURRENT_USER(R)CURSOR(R)CURSOR_NAME
DATADATABASE(R)DATABASES(R)DATAFILEDATEDATETIMEDAYDAY_HOUR(R)DAY_MICROSECOND(R)DAY_MINUTE(R)DAY_SECOND(R)DEALLOCATEDEC(R)DECIMAL(R)DECLARE(R)DEFAULT(R)DEFAULT_AUTHDEFINERDEFINITIONDELAYED(R)DELAY_KEY_WRITEDELETE(R)DENSE_RANK(R)DESC(R)DESCRIBE(R)描述DETERMINISTIC(R)诊断目录禁用放弃磁盘DISTINCT(R)DISTINCTROW(R)DIV(R)DODOUBLE(R)DROP(R)DUAL(R)转储文件重复动态
EACH(R)ELSE(R)ELSEIF(R)EMPTY(R)启用ENCLOSED(R)加密ENDENDS强制引擎引擎引擎属性枚举错误错误转义ESCAPED(R)事件事件每个EXCEPT(R)交换排除执行EXISTS(R)EXIT(R)扩展过期EXPLAIN(R)导出扩展区大小
因子登录失败次数FALSE(R)快速故障FETCH(R)字段文件文件块大小过滤器完成第一个FIRST_VALUE(R)固定FLOAT(R)FLOAT4(R)FLOAT8(R)刷新后续后续FOR(R)FORCE(R)FOREIGN(R)格式已找到FROM(R)全部FULLTEXT(R)FUNCTION(R)
常规生成GENERATED(R)GEOMCOLLECTIONGEOMETRYGEOMETRYCOLLECTIONGET(R)GET_FORMATGET_MASTER_PUBLIC_KEYGET_SOURCE_PUBLIC_KEYGLOBALGRANT(R)GRANTSGROUP(R)GROUPING(R)GROUPS(R)GROUP_REPLICATIONGTID_ONLY
HANDLERHASHHAVING(R)HELPHIGH_PRIORITY(R)HISTOGRAMHISTORYHOSTHOSTSHOURHOUR_MICROSECOND(R)HOUR_MINUTE(R)HOUR_SECOND(R)
IDENTIFIEDIF(R)IGNORE(R)IGNORE_SERVER_IDSIMPORTIN(R)INACTIVEINDEX(R)INDEXESINFILE(R)INITIALINITIAL_SIZEINITIATEINNER(R)INOUT(R)INSENSITIVE(R)INSERT(R)INSERT_METHODINSTALLINSTANCEINT(R)INT1(R)INT2(R)INT3(R)INT4(R)INT8(R)INTEGER(R)INTERSECT(R)INTERVAL(R)INTO(R)INVISIBLEINVOKERIOIO_AFTER_GTIDS(R)IO_BEFORE_GTIDS(R)IO_THREADIPCIS(R)ISOLATIONISSUERITERATE(R)
JOIN(R)JSONJSON_TABLE(R)JSON_VALUE
KEY(R)密钥环密钥(R)密钥块大小终止(R)
滞后(R)语言最后最后值(R)横向(R)领先(R)前导(R)离开(R)离开左(R)更少级别类似(R)限制(R)线性(R)行(R)线串列表加载(R)本地本地时间(R)本地时间戳(R)锁定(R)已锁定锁日志文件日志长(R)长二进制大对象(R)长文本(R)循环(R)低优先级(R)
主主自动位置主绑定(R)主压缩算法主连接重试主延迟主心跳周期主主机主日志文件主日志位置主密码主端口主公钥路径主重试次数主 SSL主 SSL CA主 SSL CAPATH主 SSL 证书主 SSL 密码主 SSL CRL主 SSL CRLPATH主 SSL 密钥主 SSL 验证服务器证书(R)主 TLS 密码套件主 TLS 版本主用户主 ZSTD 压缩级别匹配(R)最大值(R)每小时最大连接数每小时最大查询数最大行数最大大小每小时最大更新数最大用户连接数中中二进制大对象(R)中整数(R)中文本(R)成员内存合并消息文本微秒中整数(R)迁移分钟分钟微秒(R)分钟秒(R)最小行数模(R)模式修改(R)修改月多线串多点多边形互斥MYSQL_ERRNO
名称名称国家自然(R)NCHARNDBNDBCLUSTER嵌套网络命名空间从不新下一个否节点组无非(R)NOWAITNO_WAITNO_WRITE_TO_BINLOG(R)NTH_VALUE(R)NTILE(R)NULL(R)NULL数字数值(R)NVARCHAR
的(R)关闭偏移OJ旧在(R)一仅打开优化(R)优化器成本(R)选项(R)可选可选(R)选项或(R)顺序(R)序号组织其他输出(R)外部(R)OUTFILE(R)结束(R)所有者
PACK_KEYS页解析器PARSE_TREE部分分区(R)分区分区密码PASSWORD_LOCK_TIME路径PERCENT_RANK(R)PERSISTPERSIST_ONLY阶段插件插件PLUGIN_DIR点多边形端口先行先行精度(R)准备保留上一个主(R)权限PRIVILEGE_CHECKS_USER过程(R)进程PROCESSLIST配置文件配置文件代理清除(R)
季度查询QUICK
RANDOMRANGE(R)RANK(R)READ(R)READS(R)READ_ONLYREAD_WRITE(R)REAL(R)REBUILDRECOVERRECURSIVE(R)REDO_BUFFER_SIZEREDUNDANTREFERENCEREFERENCES(R)REGEXP(R)REGISTRATIONRELAYRELAYLOGRELAY_LOG_FILERELAY_LOG_POSRELAY_THREADRELEASE(R)RELOADREMOVERENAME(R)REORGANIZEREPAIRREPEAT(R)REPEATABLEREPLACE(R)REPLICAREPLICASREPLICATE_DO_DBREPLICATE_DO_TABLEREPLICATE_IGNORE_DBREPLICATE_IGNORE_TABLEREPLICATE_REWRITE_DBREPLICATE_WILD_DO_TABLEREPLICATE_WILD_IGNORE_TABLEREPLICATIONREQUIRE(R)REQUIRE_ROW_FORMATRESETRESIGNAL(R)RESOURCERESPECTRESTARTRESTORERESTRICT(R)RESUMERETAINRETURN(R)RETURNED_SQLSTATERETURNINGRETURNSREUSEREVERSEREVOKE(R)RIGHT(R)RLIKE(R)ROLEROLLBACKROLLUPROTATEROUTINEROW(R)ROWS(R)ROW_COUNTROW_FORMATROW_NUMBER(R)RTREE
SAVEPOINTSCHEDULESCHEMA(R)SCHEMAS(R)SCHEMA_NAMESECONDSECONDARYSECONDARY_ENGINESECONDARY_ENGINE_ATTRIBUTESECONDARY_LOADSECONDARY_UNLOADSECOND_MICROSECOND(R)SECURITYSELECT(R)敏感(R)分隔符(R)串行可序列化服务器会话集合(R)共享显示(R)关闭信号(R)已签名简单跳过从属慢速SMALLINT(R)快照套接字一些SONAME声音源SOURCE_AUTO_POSITIONSOURCE_BINDSOURCE_COMPRESSION_ALGORITHMSSOURCE_CONNECT_RETRYSOURCE_DELAYSOURCE_HEARTBEAT_PERIODSOURCE_HOSTSOURCE_LOG_FILESOURCE_LOG_POSSOURCE_PASSWORDSOURCE_PORTSOURCE_PUBLIC_KEY_PATHSOURCE_RETRY_COUNTSOURCE_SSLSOURCE_SSL_CASOURCE_SSL_CAPATHSOURCE_SSL_CERTSOURCE_SSL_CIPHERSOURCE_SSL_CRLSOURCE_SSL_CRLPATHSOURCE_SSL_KEYSOURCE_SSL_VERIFY_SERVER_CERTSOURCE_TLS_CIPHERSUITESSOURCE_TLS_VERSIONSOURCE_USERSOURCE_ZSTD_COMPRESSION_LEVEL空间(R)特定(R)SQL(R)SQLEXCEPTION(R)SQLSTATE(R)SQLWARNING(R)SQL_AFTER_GTIDSSQL_AFTER_MTS_GAPSSQL_BEFORE_GTIDSSQL_BIG_RESULT(R)SQL_BUFFER_RESULTSQL_CALC_FOUND_ROWS(R)SQL_NO_CACHESQL_SMALL_RESULT(R)SQL_THREADSQL_TSI_DAYSQL_TSI_HOURSQL_TSI_MINUTESQL_TSI_MONTHSQL_TSI_QUARTERSQL_TSI_SECONDSQL_TSI_WEEKSQL_TSI_YEARSRIDSSL(R)堆叠开始启动(R)启动STATS_AUTO_RECALCSTATS_PERSISTENTSTATS_SAMPLE_PAGES状态停止存储存储(R)STRAIGHT_JOIN(R)流字符串SUBCLASS_ORIGIN主题子分区子分区超级暂停交换开关系统(R)
表(R)表表空间TABLE_CHECKSUMTABLE_NAME临时TEMPTABLETERMINATED(R)TEXTTHANTHEN(R)THREAD_PRIORITYTIESTIMETIMESTAMPTIMESTAMPADDTIMESTAMPDIFFTINYBLOB(R)TINYINT(R)TINYTEXT(R)TLSTO(R)TRAILING(R)TRANSACTIONTRIGGER(R)TRIGGERSTRUE(R)TRUNCATETYPETYPES
UNBOUNDEDUNCOMMITTEDUNDEFINEDUNDO(R)UNDOFILEUNDO_BUFFER_SIZEUNICODEUNINSTALLUNION(R)UNIQUE(R)UNKNOWNUNLOCK(R)UNREGISTERUNSIGNED(R)UNTILUPDATE(R)UPGRADEURLUSAGE(R)USE(R)USERUSER_RESOURCESUSE_FRMUSING(R)UTC_DATE(R)UTC_TIME(R)UTC_TIMESTAMP(R)
VALIDATIONVALUEVALUES(R)VARBINARY(R)VARCHAR(R)VARCHARACTER(R)VARIABLESVARYING(R)VCPUVIEWVIRTUAL(R)VISIBLE
WAITWARNINGSWEEKWEIGHT_STRINGWHEN(R)WHERE(R)WHILE(R)WINDOW(R)WITH(R)WITHOUTWORKWRAPPERWRITE(R)
X509XAXIDXMLXOR(R)
YEARYEAR_MONTH(R)
ZEROFILL(R)ZONE