SQL Error - missing keyword

问题

Whats wrong with this query : I am getting following error

SQL Error: ORA-00905: missing keyword 00905. 00000 - "missing keyword"

it says error at 4th row. Please advise

CREATE TABLE ORDERS
(
ID INT        NOT NULL,
ord_date    DATE, 
AMOUNT     double,
CUSTOMER_ID INT references CUSTOMERS(ID),
PRIMARY KEY (ID)
);

回答1:

You missed to add precision in double datatype

CREATE TABLE ORDERS
(
   ID INT        NOT NULL,
   ord_date    DATE, 
   AMOUNT     double precision,
   CUSTOMER_ID INT references CUSTOMERS(ID),
   PRIMARY KEY (ID)
);

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回答2:

You can use BIGINT or DECIMAL type for double type.

来源：https://stackoverflow.com/questions/28522646/sql-error-missing-keyword