预留关键字（MySQL 模式） - OceanBase 数据库 V4.4.2

预留关键字（MySQL 模式）

更新时间：2026-07-16 20:01:47

目前，OceanBase 数据库 MySQL 模式下的预留关键字如下所示。

以下是整理后的表格，保持了原有的内容结构，使其更清晰易读：

字母
A	ACCESSIBLE	ADD	ALTER	ANALYZE
	AS	ASC	ASENSITIVE
B	BEFORE	BETWEEN	BIGINT	BINARY
	BLOB
C	CALL	CASCADE	CASE	CHANGE
	CHAR	CHARACTER	CHECK	COLLATE
	COLUMN	CONDITION	CONSTRAINT	CONTINUE
	CONVERT	CREATE	CROSS
	CURRENT_DATE	CURRENT_TIME	CURRENT_TIMESTAMP	CURRENT_USER
	CURSOR
D	DATABASE	DATABASES	DAY_HOUR	DAY_MICROSECOND
	DAY_MINUTE	DAY_SECOND	DECLARE	DECIMAL
	DEFAULT	DELAYED	DELETE	DESC
	DESCRIBE	DETERMINISTIC	DISTINCTROW	DIV
	DOUBLE	DROP	DUAL
E	EACH	ELSE	ELSEIF	ENCLOSED
	ESCAPED	EXISTS	EXIT	EXPLAIN
F	FETCH	FLOAT	FLOAT4	FLOAT8
	FOR	FORCE	FOREIGN	FULLTEXT
G	GENERATED	GET	GRANT	GROUP
H	HAVING	HIGH_PRIORITY	HOUR_MICROSECOND	HOUR_MINUTE
	HOUR_SECOND
I	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
J	JOIN
K	KEY	KEYS	KILL
L	LEAVE	LEFT	LIKE	LIMIT
	LINEAR	LINES	LOAD	LOCALTIME
	LOCALTIMESTAMP	LONG	LONGBLOB	LONGTEXT
	LOOP	LOW_PRIORITY
M	MASTER_BIND	MASTER_SSL_VERIFY_SERVER_CERT	MATCH
	MEDIUMBLOB	MEDIUMINT	MEDIUMTEXT	MIDDLEINT
	MINUTE_MICROSECOND	MINUTE_SECOND	MOD	MODIFIES
N	NATURAL	NOT	NO_WRITE_TO_BINLOG	NUMERIC
O	ON	OPTIMIZE	OPTION	OPTIONALLY
	OR	ORDER	OUT	OUTER
	OUTFILE
P	PARTITION	PRECISION	PRIMARY	PROCEDURE
	PURGE
R	RANGE	READ	READS
	REAL	REFERENCES	REGEXP	RELEASE
	RENAME	REPEAT	REPLACE	REQUIRE
	RESIGNAL	RESTRICT	RETURN	REVOKE
	RIGHT	RLIKE
S	SCHEMA	SCHEMAS	SECOND_MICROSECOND	SENSITIVE
	SEPARATOR	SET	SHOW	SIGNAL
	SMALLINT	SPATIAL	SPECIFIC	SQL
	SQLEXCEPTION	SQLSTATE	SQLWARNING	SQL_BIG_RESULT
	SQL_SMALL_RESULT	SSL	SKIP	STARTING
	STORED
T	TABLE	TERMINATED	THEN	TINYBLOB
	TINYINT	TINYTEXT	TO	TRIGGER
U	UNDO	UNION	UNLOCK	UNSIGNED
	UPDATE	USAGE	USE	USING
	UTC_DATE	UTC_TIME	UTC_TIMESTAMP
V	VALUES	VARBINARY	VARCHAR	VARCHARACTER
	VARYING	VIRTUAL
W	WHERE	WHILE	WITH	WRITE
X	XOR
Y	YEAR_MONTH
Z	ZEROFILL