也许这个:
DELETE FROM
(SELECT A.Name, A.City, d.Brand, d.Model, d.ID, d.Year, d.Price
FROM Dock A, TABLE(ML) d)
WHERE ID = 'L201';
更新:在我们让它更先进之前的另一个试验:
DELETE FROM Dock
WHERE ROWID =ANY (SELECT a.ROWID FROM Dock a, TABLE(ML) b WHERE b.ID = 'L201');
更新 2:如果你更喜欢它更面向对象,这个应该也可以。至少我没有收到任何错误。
CREATE OR REPLACE TYPE ML_TYPE AS OBJECT (
brand VARCHAR2(100),
ID VARCHAR2(20),
MODEL VARCHAR2(20),
YEAR NUMBER,
Price NUMBER,
MAP MEMBER FUNCTION getID RETURN VARCHAR2,
CONSTRUCTOR FUNCTION ML_TYPE(ID IN VARCHAR2) RETURN SELF AS RESULT);
CREATE OR REPLACE TYPE BODY ML_TYPE IS
CONSTRUCTOR FUNCTION ML_TYPE(ID IN VARCHAR2) RETURN SELF AS RESULT IS
-- Constructor to create dummy ML-Object which contains just an ID,
-- used for comparison
BEGIN
SELF.ID := ID;
RETURN;
END ML_TYPE;
MAP MEMBER FUNCTION getID RETURN VARCHAR2 IS
BEGIN
RETURN SELF.ID;
END getID;
END;
/
CREATE OR REPLACE TYPE ML_TABLE_TYPE IS TABLE OF ML_TYPE;
CREATE TABLE Dock (Name VARCHAR2(20), City VARCHAR2(20), ML ML_TABLE_TYPE)
NESTED TABLE ML STORE AS ML_NT;
insert into Dock values ('A', 'NY', ML_TABLE_TYPE(
ML_TYPE('brand1','L301','Model 2',2013, 1000),
ML_TYPE('brand2','L101','Model 3',2013, 1000)));
insert into Dock values ('B', 'NY', ML_TABLE_TYPE(
ML_TYPE('brand3','K301','Model 4',2014, 3000),
ML_TYPE('brand4','K101','Model 5',2014, 3000)));
insert into Dock values ('A', 'NY', ML_TABLE_TYPE(
ML_TYPE('brand5','K301','Model 8',2012, 2000),
ML_TYPE('brand6','L201','Model 9',2012, 2000)));
DELETE FROM Dock WHERE ML_TYPE('L201') MEMBER OF ML;