SQL是由关键字组成的语言，关键字是一些用于执行 SQL操作的特殊词汇。在命名数据库、表、列和其他数据库对象时，一定不要使用。摘自SQL必知必会第四版
以下是sql保留字 文字版
ABORT
ABSOLUTE
ACTION
ACTIVE
ADD
AFTER
ALL
ALLOCATE
ALTER
ANALYZE
AND
ANY
ARE
AS
ASC
ASCENDING
ASSERTION
AT
AUTHORIZATION
AUTO
AUTO-INCREMENT
AUTOINC
AVG
BACKUP
BEFORE
BEGIN
BETWEEN
BIGINT
BINARY
BIT
BLOB
BOOLEAN
BOTH
BREAK
BROWSE
BULK
BY
BYTES
CACHE
CALL
CASCADE
CASCADED
CASE
CAST
CATALOG
CHANGE
CHAR
CHARACTER
CHARACTER_LENGTH
CHECK
CHECKPOINT
CLOSE
CLUSTER
CLUSTERED
COALESCE
COLLATE
COLUMN
COLUMNS
COMMENT
COMMIT
COMMITTED
COMPUTE
COMPUTED
CONDITIONAL
CONFIRM
CONNECT
CONNECTION
CONSTRAINT
CONSTRAINTS
CONTAINING
CONTAINS
CONTAINSTABLE
CONTINUE
CONTROLROW
CONVERT
COPY
COUNT
CREATE
CROSS
CSTRING
CUBE
CURRENT
CURRENT_DATE
CURRENT_TIME
CURRENT_TIMESTAMP
CURRENT_USER
CURSOR
DATABASE
DATABASES
DATE
DATETIME
DAY
DBCC
DEALLOCATE
DEBUG
DEC
DECIMAL
DECLARE
DEFAULT
DELETE
DENY
DESC
DESCENDING
DESCRIBE
DISCONNECT
DISK
DISTINCT
DISTRIBUTED
DIV
DO
DOMAIN
DOUBLE
DROP
DUMMY
DUMP
ELSE
ELSEIF
ENCLOSED
END
ERRLVL
ERROREXIT
ESCAPE
ESCAPED
EXCEPT
EXCEPTION
EXEC
EXECUTE
EXISTS
EXIT
EXPLAIN
EXTEND
EXTERNAL
EXTRACT
FALSE
FETCH
FIELD
FIELDS
FILE
FILLFACTOR
FILTER
FLOAT
FLOPPY
FOR
FORCE
FOREIGN
FOUND
FREETEXT
FREETEXTTABLE
FROM
FULL
FUNCTION
GENERATOR
GET
GLOBAL
GO
GOTO
GRANT
GROUP
HAVING
HOLDLOCK
HOUR
IDENTITY
IF
IN
INACTIVE
INDEX
INDICATOR
INFILE
INNER
INOUT
INPUT
INSENSITIVE
INSERT
INT
INTEGER
INTERSECT
INTERVAL
INTO
IS
ISOLATION
JOIN
KEY
KILL
LANGUAGE
LAST
LEADING
LEFT
LENGTH
LEVEL
LIKE
LIMIT
LINENO
LINES
LISTEN
LOAD
LOCAL
LOCK
LOGFILE
LONG
LOWER
MANUAL
MATCH
MAX
MERGE
MESSAGE
MIN
MINUTE
MIRROREXIT
MODULE
MONEY
MONTH
MOVE
NAMES
NATIONAL
NATURAL
NCHAR
NEXT
NEW
NO
NOCHECK
NONCLUSTERED
NONE
NOT
NULL
NULLIF
NUMERIC
OF
OFF
OFFSET
OFFSETS
ON
ONCE
ONLY
OPEN
OPTION
OR
ORDER
OUTER
OUTPUT
OVER
OVERFLOW
OVERLAPS
PAD
PAGE
PAGES
PARAMETER
PARTIAL
PASSWORD
PERCENT
PERM
PERMANENT
PIPE
PLAN
POSITION
PRECISION
PREPARE
PRIMARY
PRINT
PRIOR
PRIVILEGES
PROC
PROCEDURE
PROCESSEXIT
PROTECTED
PUBLIC
PURGE
RAISERROR
READ
READTEXT
REAL
REFERENCES
REGEXP
RELATIVE
RENAME
REPEAT
REPLACE
REPLICATION
REQUIRE
RESERV
RESERVING
RESET
RESTORE
RESTRICT
RETAIN
RETURN
RETURNS
REVOKE
RIGHT
ROLLBACK
ROLLUP
ROWCOUNT
RULE
SAVE
SAVEPOINT
SCHEMA
SECOND
SECTION
SEGMENT
SELECT
SENSITIVE
SEPARATOR
SEQUENCE
SESSION_USER
SET
SETUSER
SHADOW
SHARED
SHOW
SHUTDOWN
SINGULAR
SIZE
SMALLINT
SNAPSHOT
SOME
SORT
SPACE
SQL
SQLCODE
SQLERROR
STABILITY
STARTING
STARTS
STATISTICS
SUBSTRING
SUM
SUSPEND
TABLE
TABLES
TAPE
TEMP
TEMPORARY
TEXT
TEXTSIZE
THEN
TIME
TIMESTAMP
TO
TOP
TRAILING
TRAN
TRANSACTION
TRANSLATE
TRIGGER
TRIM
TRUE
TRUNCATE
UNCOMMITTED
UNION
UNIQUE
UNTIL
UPDATE
UPDATETEXT
UPPER
USAGE
USE
USER
USING
VALUE
VALUES
VARCHAR
VARIABLE
VARYING
VERBOSE
VIEW
VOLUME
WAIT
WAITFOR
WHEN
WHERE
WHILE
WITH
WORK
WRITE
WRITETEXT
XOR
YEAR
ZONE