PL 保留关键字是在 PL 中具有特殊含义的标识符。它们不区分大小写。

    首字母

    保留关键字

    A

    ALL, ALTER, AND, ANY, AS, ASC, AT

    B

    BEGIN, BETWEEN, BY

    C

    CASE, CHECK, CLUSTERS, CLUSTER, COLAUTH, COLUMNS, COMPRESS, CONNECT, CRASH, CREATE, CURSOR, COMMIT

    D

    DELETE, DECLARE, DEFAULT, DESC, DISTINCT, DROP

    E

    EXISTS, ELSE, ELSIF, END, EXCEPTION, EXCLUSIVE

    F

    FETCH, FOR, FROM, FUNCTION

    G

    GOTO, GRANT, GROUP

    H

    HAVING

    I

    IDENTIFIED, IF, IN, INDEX, INDEXES, INSERT, INTERSECT, INTO, IS

    L

    LIKE, LOCK

    M

    MINUS, MODE

    N

    NOCOMPRESS, NOT, NOWAIT, NULLX

    O

    OF, ON, OPTION, OR, ORDER, OVERLAPS

    P

    PROCEDURE, PUBLIC

    R

    RESOURCE, REVOKE, RETURN, ROLLBACK

    S

    SELECT, SHARE, SIZE, SQL, START, SUBTYPE, SAVEPOINT, SET

    T

    TABAUTH, TABLE, THEN, TO

    U

    UNION, UNIQUE, UPDATE

    V

    VALUES, VIEW, VIEWS

    W

    WHEN, WHERE, WITH, WHILE