SQL Server reserved words

Structured Query Language (SQL) is a programming language used to communicate with a database. Within SQL, certain words are reserved, which means you cannot use these words as an SQL identifier (such as the name for a table, a column, an AS alias, or other entity).

Reserved words in SQL Server

SQL reserved words
ABSOLUTE	CURRENT_USER	GROUP	ON	SOME
ACTION	CURSOR	HAVING	ONLY	SPACE
ADA	DATABASE	HOLDLOCK	OPEN	SQL
ADD	DATE	HOUR	OPENDATASOURCE	SQLCA
ALL	DAY	IDENTITY	OPENQUERY	SQLCODE
ALLOCATE	DBCC	IDENTITY_INSERT	OPENROWSET	SQLERROR
ALTER	DEALLOCATE	IDENTITYCOL	OPENXML	SQLSTATE
AND	DEC	IF	OPTION	SQLWARNING
ANY	DECIMAL	IMMEDIATE	OR	STATISTICS
ARE	DECLARE	IN	ORDER	SUBSTRING
AS	DEFAULT	INCLUDE	OUTER	SUM
ASC	DEFERRABLE	INDEX	OUTPUT	SYSTEM_USER
ASSERTION	DEFERRED	INDICATOR	OVER	TABLE
AT	DELETE	INITIALLY	OVERLAPS	TASKSTATUS
AUTHORIZATION	DENY	INNER	PAD	TEMPORARY
AVG	DESC	INPUT	PARTIAL	TEXTSIZE
BACKUP	DESCRIBE	INSENSITIVE	PASCAL	THEN
BEGIN	DESCRIPTOR	INSERT	PERCENT	TIME
BETWEEN	DIAGNOSTICS	INT	PLAN	TIMESTAMP
BIT	DISCONNECT	INTEGER	POSITION	TIMEZONE_HOUR
BIT_LENGTH	DISK	INTERSECT	PRECISION	TIMEZONE_MINUTE
BOTH	DISTINCT	INTERVAL	PREPARE	TO
BREAK	DISTRIBUTED	INTO	PRESERVE	TOP
BROWSE	DOMAIN	IS	PRIMARY	TRAILING
BULK	DOUBLE	ISOLATION	PRINT	TRAN
BY	DROP	JOIN	PRIOR	TRANSACTION
CASCADE	DUMMY	KEY	PRIVILEGES	TRANSLATE
CASCADED	DUMP	KILL	PROC	TRANSLATION
CASE	ELSE	LANGUAGE	PROCEDURE	TRIGGER
CAST	END	LAST	PUBLIC	TRIM
CATALOG	END-EXEC	LEADING	RAISERROR	TRUE
CHAR	ERRLVL	LEFT	READ	TRUNCATE
CHAR_LENGTH	ESCAPE	LEVEL	READTEXT	TSEQUAL
CHARACTER	EXCEPT	LIKE	REAL	UNION
CHARACTER_LENGTH	EXCEPTION	LINENO	RECONFIGURE	UNIQUE
CHECK	EXEC	LOAD	REFERENCES	UNKNOWN
CHECKPOINT	EXECUTE	LOCAL	RELATIVE	UPDATE
CLOSE	EXISTS	LOWER	REPLICATION	UPDATETEXT
CLUSTERED	EXIT	MATCH	RESTORE	UPPER
COALESCE	EXTERNAL	MAX	RESTRICT	USAGE
COLLATE	EXTRACT	MIN	RETURN	USE
COLLATION	FALSE	MINUTE	REVOKE	USER
COLUMN	FETCH	MODULE	RIGHT	USING
COMMIT	FILE	MONTH	ROLLBACK	VALUE
COMPUTE	FILLFACTOR	NAMES	ROWCOUNT	VALUES
CONNECT	FIRST	NATIONAL	ROWGUIDCOL	VARCHAR
CONNECTION	FLOAT	NATURAL	ROWS	VARYING
CONSTRAINT	FOR	NCHAR	RULE	VIEW
CONSTRAINTS	FOREIGN	NEXT	SAVE	WAITFOR
CONTAINS	FORTRAN	NO	SCHEMA	WHEN
CONTAINSTABLE	FOUND	NOCHECK	SCROLL	WHENEVER
CONTINUE	FREETEXT	NONCLUSTERED	SECOND	WHERE
CONVERT	FREETEXTTABLE	NONE	SECTION	WHILE
CORRESPONDING	FROM	NOT	SELECT	WITH
COUNT	FULL	NULL	SESSION	WORK
CREATE	FUNCTION	NULLIF	SESSION_USER	WRITE
CROSS	GET	NUMERIC	SET	WRITETEXT
CURRENT	GLOBAL	OCTET_LENGTH	SETUSER	YEAR
CURRENT_DATE	GO	OF	SHUTDOWN	ZONE
CURRENT_TIME	GOTO	OFF	SIZE
CURRENT_TIMESTAMP	GRANT	OFFSETS	SMALLINT