此查詢有什麼問題? SELECT F.PART_NUM, F.DESCRIPTION, S.PART_NUM, S.DESCRIPTION, F.CLASS
FROM PART F, PART S
WHERE F.CLASS = S.CLASS AND F.PART_NUM < customer_num =" ORDERS.CUSTOMER_NUM"
customer_name =" 'Jo
的Oracle SQL:如何找到並刪除重複 我只有只讀訪問Oracle(僅可以使用SELECT命令)。 邏輯:兩個用戶 'A' & 'B' 由具有相同公司名稱&名字 列提取: ID of A
ID of B
Company Name of A
Company Name of B
First Name of A
First Name of B
我使用以下查詢: select a.id,
我是Oracle新手,遇到此問題。 我創造了這樣一個過程: CREATE OR REPLACE PROCEDURE getArt
as
begin
select ar.artTitle, ar.artContent, ar.DateCreated, ar.artCategory, ac.accName
from hng_art ar
join HNG_ACC
[編輯]我被告知查詢中有一個子查詢,所以這裏是我想出了而現在給努力。[NEW CODE] SELECT P.prodid, P.prodname, SUM(O.qtysold) AS "TOTAL SALES"
FROM ORDERLINE O
INNER JOIN PRODUCT P
ON O.prodid = P.prodid
INNER JOIN ALLOCATION A
ON P
所以我想創建一個改變記錄時間戳的觸發,我有這個迄今爲止 create or replace TRIGGER job_date_set
AFTER INSERT OR UPDATE OF start_date, closing_date ON jobs
FOR EACH ROW
BEGIN
IF UPDATING THEN
CASE