主要DBMS中最常用的保留字。
    请注意以下几点。
    □ 关键字随不同的DBMS而变化，并非下面的所有关键字都被所有DBMS采用。
    □ 许多DBMS扩展了SQL保留字，使其包含专门用于实现的术语。多数DBMS专用的关键字未列在下面。
    □ 为保证以后的兼容性和可移植性，应避免使用这些保留字，即使它们不是你使用的DBMS的保留字。

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