SQL is a language contain keywords, keywords are special words used to perform SQL operations. In naming databases, tables, columns, and other database objects while, be sure not to use these keywords. Therefore, these are the keywords must be reserved.
Please note the following points.
1, keyword varies with different DBMS, not all of the following keywords have been adopted by all DBMS.
2, many DBMS SQL reserved words extended to include the term specifically for implementation. Most DBMS-specific keywords listed below.
3, in order to ensure future compatibility and portability, you should avoid using these reserved words, even if they are not using your DBMS reserved words.
Here and hold the picture, please forgive me!
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
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
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
