保留关键字为YashanDB所使用语法关键字的子集，相比普通的关键字，保留关键字不被允许作为名称标识符（例如表名称、列名称等），除非对其使用双引号。

通过查询V$RESERVED_WORDS视图可获得YashanDB所有的关键字信息。

A-G

ACCESS ADD ALL ALTER ANALYZE AND ANY AS ASC AUDIT

BETWEEN

CHAR CHECK COLUMN COMMENT COMPRESS CONNECT CONSTRAINT CONSTRAINTS CREATE CURRENT

DATE DECIMAL DEFAULT DELETE DESC DISTINCT DROP

ELSE EXCEPT EXISTS

FALSE FLOAT FOR FROM

GRANT GROUP

H-N

HAVING HORDER

IDENTIFIED IF IMMEDIATE IN INCLUDE INCREMENT INDEX INSERT INTEGER INTERSECT INTO IS

LEVEL LIKE

MINUS MODIFY

NOAUDIT NOCOMPRESS NOT NOWAIT NULL NUMBER

O-T

OF OFFLINE ON ONLINE OR ORDER

PRIOR PUBLIC

RAW RENAME REVOKE RLIKE ROW ROWS

SELECT SELECTIVITY SESSION SET SMALLINT START SUCCESSFUL SYNONYM SYSDATE

TABLE THEN TO TRIGGER TRUE

U-Z

UNION UNIQUE UPDATE USER

VALIDATE VALUES VARCHAR VARCHAR2 VIEW

WHEN WHENEVER WHERE WITH WITHOUT

ZORDER