ACCESSIBLE,ADD,ALL,ALTER,ANALYZE,AND,AS,ASC,ASENSITIVE,BEFORE,BETWEEN,BIGINT,BINARY,BLOB,BOTH,BY,CALL,CASCADE,CASE,CHANGE,CHAR,CHARACTER,CHECK,COLLATE,COLUMN,CONDITION,CONSTRAINT,CONTINUE,CONVERT,CREATE,CROSS,CUBE,CUME_DIST,CURRENT_DATE,CURRENT_TIME,CURRENT_TIMESTAMP,CURRENT_USER,CURSOR,DATABASE,DATABASES,DAY_HOUR,DAY_MICROSECOND,DAY_MINUTE,DAY_SECOND,DEC,DECIMAL,DECLARE,DEFAULT,DELAYED,DELETE,DENSE_RANK,DESC,DESCRIBE,DETERMINISTIC,DISTINCT,DISTINCTROW,DIV,DOUBLE,DROP,DUAL,EACH,ELSE,ELSEIF,EMPTY,ENCLOSED,ESCAPED,EXCEPT,EXISTS,EXIT,EXPLAIN,FALSE,FETCH,FIRST_VALUE,FLOAT,FLOAT4,FLOAT8,FOR,FORCE,FOREIGN,FROM,FULLTEXT,FUNCTION,GENERATED,GET,GRANT,GROUP,GROUPING,GROUPS,HAVING,HIGH_PRIORITY,HOUR_MICROSECOND,HOUR_MINUTE,HOUR_SECOND,IF,IGNORE,IN,INDEX,INFILE,INNER,INOUT,INSENSITIVE,INSERT,INT,INT1,INT2,INT3,INT4,INT8,INTEGER,INTERVAL,INTO,IO_AFTER_GTIDS,IO_BEFORE_GTIDS,IS,ITERATE,JOIN,JSON_TABLE,KEY,KEYS,KILL,LAG,LAST_VALUE,LEAD,LEADING,LEAVE,LEFT,LIKE,LIMIT,LINEAR,LINES,LOAD,LOCALTIME,LOCALTIMESTAMP,LOCK,LONG,LONGBLOB,LONGTEXT,LOOP,LOW_PRIORITY,MASTER_BIND,MASTER_SSL_VERIFY_SERVER_CERT,MATCH,MAXVALUE,MEDIUMBLOB,MEDIUMINT,MEDIUMTEXT,MIDDLEINT,MINUTE_MICROSECOND,MINUTE_SECOND,MOD,MODIFIES,NATURAL,NOT,NO_WRITE_TO_BINLOG,NTH_VALUE,NTILE,NULL,NUMERIC,OF,ON,OPTIMIZE,OPTIMIZER_COSTS,OPTION,OPTIONALLY,OR,ORDER,OUT,OUTER,OUTFILE,OVER,PARTITION,PERCENT_RANK,PERSIST,PERSIST_ONLY,PRECISION,PRIMARY,PROCEDURE,PURGE,RANGE,RANK,READ,READS,READ_WRITE,REAL,RECURSIVE,REFERENCES,REGEXP,RELEASE,RENAME,REPEAT,REPLACE,REQUIRE,RESIGNAL,RESTRICT,RETURN,REVOKE,RIGHT,RLIKE,ROW,ROWS,ROW_NUMBER,SCHEMA,SCHEMAS,SECOND_MICROSECOND,SELECT,SENSITIVE,SEPARATOR,SET,SHOW,SIGNAL,SMALLINT,SPATIAL,SPECIFIC,SQL,SQLEXCEPTION,SQLSTATE,SQLWARNING,SQL_BIG_RESULT,SQL_CALC_FOUND_ROWS,SQL_SMALL_RESULT,SSL,STARTING,STORED,STRAIGHT_JOIN,SYSTEM,TABLE,TERMINATED,THEN,TINYBLOB,TINYINT,TINYTEXT,TO,TRAILING,TRIGGER,TRUE,UNDO,UNION,UNIQUE,UNLOCK,UNSIGNED,UPDATE,USAGE,USE,USING,UTC_DATE,UTC_TIME,UTC_TIMESTAMP,VALUES,VARBINARY,VARCHAR,VARCHARACTER,VARYING,VIRTUAL,WHEN,WHERE,WHILE,WINDOW,WITH,WRITE,XOR,YEAR_MONTH,ZEROFILL,CUME_DIST,DENSE_RANK,EMPTY,EXCEPT,FIRST_VALUE,GROUPING,GROUPS,JSON_TABLE,LAG,LAST_VALUE,LEAD,NTH_VALUE,NTILE,OF,OVER,PERCENT_RANK,PERSIST,PERSIST_ONLY,RANK,RECURSIVE,ROW_NUMBER,SYSTEM,WINDOW
https://dev.mysql.com/doc/mysqld-version-reference/en/mysqld-version-reference-keywords-8-0.html#keywords-8-0-detailed-R
链接里,带(R)的字段不能出现在sql里,要使用的话必须加上'`'