我需要为每本价格高于每本“HOR”类型的书的书价的书找到书名和书名。我的桌子看起来像这样
CREATE TABLE BOOK (
BOOK_CODE CHAR(4) CONSTRAINT BOOK_BOOK_CODE_PK PRIMARY KEY,
TITLE VARCHAR2(40) CONSTRAINT BOOK_TITLE_NN NOT NULL,
PUBLISHER_CODE CHAR(2) CONSTRAINT BOOK_PUBLISHER_CODE_FK REFERENCES PUBLISHER(PUBLISHER_CODE),
TYPE CHAR(3), (this is where the 'HOR' is located)
PRICE NUMBER(4,2),
PAPERBACK CHAR(1)
);
我尝试了几种不同的方法,但我不知所措。我假设我将不得不使用别名?