首页 \ 问答 \ 如何理解嵌套子查询？(How to understand nested subqueries?)

如何理解嵌套子查询？(How to understand nested subqueries?)

 我想了解子查询，并且我认为我理解了以前的问题，但现在我想了解嵌套子查询，现在我比我更困惑。 
 

 我正在尝试做这样的输出： 
 

Model                                Year
---------------------------  ------------
Grand Caravan                        2010
Q70                                  2015

 

 我试图找到这些的方式是通过这些描述：GPS，加热座椅和AWD。 
 

 目前我没有选择行。 
 

 我的陈述如下所示： 
 

SELECT t1.MODELNAME AS Model, t2.VEHICLEYEAR AS Year
FROM TBLMODEL t1
FULL JOIN TBLVEHICLE t2 ON t1.MODELID = t2.MODELID
FULL JOIN TBLOPTIONDETAIL t3 ON t2.VEHICLEID = t3.VEHICLEID
FULL JOIN TBLOPTION t4 ON t3.OPTIONID = t4.OPTIONID
WHERE t4.OPTIONDESC IN
(
  SELECT OPTIONDESC
  FROM TBLOPTION
  WHERE OPTIONDESC = 'GPS' AND OPTIONDESC =
  (
    SELECT OPTIONDESC
    FROM TBLOPTION
    WHERE OPTIONDESC = 'Heated Seats'
  )
);

 

 它对应的文件： 
 

DROP TABLE  tblOptionDetail;
DROP TABLE  tblOption;
DROP TABLE  tblVehicle;
DROP TABLE  tblModel;
DROP TABLE  tblBrand;
DROP TABLE  tblManufacture;


CREATE TABLE tblManufacture
(
ManufactureID NUMBER(38) PRIMARY KEY,
ManufactureName CHAR(40)
);

CREATE TABLE tblBrand
(
BrandID NUMBER(38) PRIMARY KEY,
ManufactureID NUMBER(38),
BrandName CHAR(40),
FOREIGN KEY (ManufactureID) REFERENCES tblManufacture(ManufactureID)
);

CREATE TABLE tblModel
(
ModelID NUMBER(38) PRIMARY KEY,
BrandID NUMBER(38),
ModelName CHAR(40),
FOREIGN KEY (BrandID) REFERENCES tblBrand(BrandID)
);

CREATE TABLE tblVehicle
(
VehicleID NUMBER(38) PRIMARY KEY,
ModelID NUMBER(38),
VehicleYear NUMBER(38) CHECK (VehicleYear BETWEEN 1900 and 3000),
VehicleKM NUMBER(38) CHECK (VehicleKM BETWEEN 0 and 100000000),
VehiclePrice NUMBER(38) CONSTRAINT carprice CHECK (VehiclePrice BETWEEN 0 and 1000000),
FOREIGN KEY (ModelID) REFERENCES tblModel(ModelID)
);

CREATE TABLE tblOption
(
OptionID NUMBER(38) PRIMARY KEY,
OptionDesc CHAR(40)
);

CREATE TABLE tblOptionDetail
(
OptionID NUMBER(38),
VehicleID NUMBER(38),
PRIMARY KEY (OptionID, VehicleID),
FOREIGN KEY (OptionID) REFERENCES tblOption(OptionID),
FOREIGN KEY (VehicleID) REFERENCES tblVehicle(VehicleID)
);


-- populate the Manufacture table

INSERT ALL 
INTO tblManufacture (ManufactureID, ManufactureName) VALUES (1,'Chrysler Corp.')
INTO tblManufacture (ManufactureID, ManufactureName) VALUES(2,'General Motors')
INTO tblManufacture (ManufactureID, ManufactureName) VALUES(3,'Ford Motor Company')
INTO tblManufacture (ManufactureID, ManufactureName) VALUES(4,'Toyota')
INTO tblManufacture (ManufactureID, ManufactureName) VALUES (5,'Honda')
INTO tblManufacture (ManufactureID, ManufactureName) VALUES (6,'Nisan')
SELECT * FROM dual;

-- populate the Brand table

INSERT ALL
INTO tblBrand (BrandID, ManufactureID, BrandName) VALUES (1,1, 'Chrysler')
INTO tblBrand (BrandID, ManufactureID, BrandName) VALUES (2,1, 'Dodge')
INTO tblBrand (BrandID, ManufactureID, BrandName) VALUES (3,1, 'Jeep')
INTO tblBrand (BrandID, ManufactureID, BrandName) VALUES (4,2, 'Chevrolet')
INTO tblBrand (BrandID, ManufactureID, BrandName) VALUES (5,2, 'Buick')
INTO tblBrand (BrandID, ManufactureID, BrandName) VALUES (6,2, 'Cadillac')
INTO tblBrand (BrandID, ManufactureID, BrandName) VALUES (7,2, 'GMC')
INTO tblBrand (BrandID, ManufactureID, BrandName) VALUES (8,4, 'Toyota')
INTO tblBrand (BrandID, ManufactureID, BrandName) VALUES (9,6, 'Nissan')
INTO tblBrand (BrandID, ManufactureID, BrandName) VALUES (10,6,'Infiniti')
SELECT * FROM dual;

-- populate the Model table

INSERT ALL
INTO tblModel (ModelID, BrandID, ModelName) VALUES (1,1, '200')
INTO tblModel (ModelID, BrandID, ModelName) VALUES (2,1, '200 Convertible')
INTO tblModel (ModelID, BrandID, ModelName) VALUES (3,1, '300')
INTO tblModel (ModelID, BrandID, ModelName) VALUES (4,1, 'Town'||' & '||'Country')
INTO tblModel (ModelID, BrandID, ModelName) VALUES (5,2, 'Durango')
INTO tblModel (ModelID, BrandID, ModelName) VALUES (6,2, 'Avenger')
INTO tblModel (ModelID, BrandID, ModelName) VALUES (7,2, 'Challenger')
INTO tblModel (ModelID, BrandID, ModelName) VALUES (8,2, 'Charger')
INTO tblModel (ModelID, BrandID, ModelName) VALUES (9,2, 'Caliber')
INTO tblModel (ModelID, BrandID, ModelName) VALUES (10,2, 'Grand Caravan')
INTO tblModel (ModelID, BrandID, ModelName) VALUES (11,2, 'Journey')
INTO tblModel (ModelID, BrandID, ModelName) VALUES (12,4, 'Sonic')
INTO tblModel (ModelID, BrandID, ModelName) VALUES (13,4, 'Cruze')
INTO tblModel (ModelID, BrandID, ModelName) VALUES (14,4, 'Orlando')
INTO tblModel (ModelID, BrandID, ModelName) VALUES (15,4, 'Colorado')
INTO tblModel (ModelID, BrandID, ModelName) VALUES (16,4, 'Malibu')
INTO tblModel (ModelID, BrandID, ModelName) VALUES (17,8, '4Runner')
INTO tblModel (ModelID, BrandID, ModelName) VALUES (18,8, 'Prius')
INTO tblModel (ModelID, BrandID, ModelName) VALUES  (19,8, 'Camry')
INTO tblModel (ModelID, BrandID, ModelName) VALUES  (20,8, 'Corolla')
INTO tblModel (ModelID, BrandID, ModelName) VALUES (21,9,'Rogue SL')
INTO tblModel (ModelID, BrandID, ModelName) VALUES  (22,9, 'Versa Note')
INTO tblModel (ModelID, BrandID, ModelName) VALUES  (23,9, 'Pathfinder')
INTO tblModel (ModelID, BrandID, ModelName) VALUES  (24,9, 'Altima')
INTO tblModel (ModelID, BrandID, ModelName) VALUES (25,10, 'Q70')
INTO tblModel (ModelID, BrandID, ModelName) VALUES  (26,10, 'Q50')
INTO tblModel (ModelID, BrandID, ModelName) VALUES  (27,10, 'Q60')
INTO tblModel (ModelID, BrandID, ModelName) VALUES  (28,10, 'EX37')
SELECT * FROM dual;

-- populate Option table

INSERT ALL 
INTO tblOption (OptionID,OptionDesc) VALUES (1,'Power locks')
INTO tblOption (OptionID,OptionDesc) VALUES (2,'Power windows')
INTO tblOption (OptionID,OptionDesc) VALUES (3,'Air conditioning')
INTO tblOption (OptionID,OptionDesc) VALUES (4,'Heated mirrors')
INTO tblOption (OptionID,OptionDesc) VALUES (5,'Remote keyless entry')
INTO tblOption (OptionID,OptionDesc) VALUES (6,'CD Player')
INTO tblOption (OptionID,OptionDesc) VALUES (7,'GPS')
INTO tblOption (OptionID,OptionDesc) VALUES (8,'In-dash DVD player')
INTO tblOption (OptionID,OptionDesc) VALUES (9,'Overhead DVD player')
INTO tblOption (OptionID,OptionDesc) VALUES (10,'Satellite radio')
INTO tblOption (OptionID,OptionDesc) VALUES (11,'MP3 player')
INTO tblOption (OptionID,OptionDesc) VALUES (12,'Antilock braking system')
INTO tblOption (OptionID,OptionDesc) VALUES (13,'Electronic stability system')
INTO tblOption (OptionID,OptionDesc) VALUES (14,'Traction control')
INTO tblOption (OptionID,OptionDesc) VALUES (15,'Cruise control')
INTO tblOption (OptionID,OptionDesc) VALUES (16,'Intelligent cruise control')
INTO tblOption (OptionID,OptionDesc) VALUES (17,'Parking assist system')
INTO tblOption (OptionID,OptionDesc) VALUES (18,'Xenon headlights')
INTO tblOption (OptionID,OptionDesc) VALUES (19,'Aluminum rims')
INTO tblOption (OptionID,OptionDesc) VALUES (20,'AWD')
INTO tblOption (OptionID,OptionDesc) VALUES (21,'Convertable')
INTO tblOption (OptionID,OptionDesc) VALUES (22,'Heated Seats')
SELECT * FROM dual;

-- populate Vehicle table

INSERT ALL
INTO tblVehicle (VehicleID,ModelID, VehicleYear, VehicleKM, VehiclePrice) VALUES (1,10, 2010, 45000, 18000)
INTO tblVehicle (VehicleID,ModelID, VehicleYear, VehicleKM, VehiclePrice) VALUES (2,10, 2010, 65420, 17500)
INTO tblVehicle (VehicleID,ModelID, VehicleYear, VehicleKM, VehiclePrice) VALUES (3,16, 2004, 143900, 3200)
INTO tblVehicle (VehicleID,ModelID, VehicleYear, VehicleKM, VehiclePrice) VALUES (4,11, 2010, 38900, 14500)
INTO tblVehicle (VehicleID,ModelID, VehicleYear, VehicleKM, VehiclePrice) VALUES (5,27,2014,17250,45999)
INTO tblVehicle (VehicleID,ModelID, VehicleYear, VehicleKM, VehiclePrice) VALUES (6,25,2015,2900,62300)
INTO tblVehicle (VehicleID,ModelID, VehicleYear, VehicleKM, VehiclePrice) VALUES (7,17,2010,87900,19800)
SELECT * FROM dual;

-- populate OptionDetail table

INSERT ALL
INTO tblOptionDetail (OptionID, VehicleID) VALUES (2, 2)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (1, 2)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (3, 2)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (5, 2)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (6, 2)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (7, 2)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (8, 2)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (11, 2)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (12, 2)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (14, 2)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (15, 2)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (19, 2)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (2, 1)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (1, 1)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (3, 1)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (6, 1)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (12, 1)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (14, 1)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (15, 1)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (19, 1)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (2, 3)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (1, 3)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (3, 3)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (6, 3)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (12, 3)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (14, 3)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (15, 3)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (19, 3)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (2, 4)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (1, 4)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (3, 4)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (6, 4)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (11, 4)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (12, 4)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (14, 4)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (15, 4)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (19, 4)
INTO tblOptionDetail (OptionID, VehicleID) VALUES  (4,5)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (8,5)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (1,5)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (2,5)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (5,5)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (21,6)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (22,6)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (3,6)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (1,6)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (2,6)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (1,7)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (4,7)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (5,7)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (2,7)
SELECT * FROM dual;

COMMIT;


I am trying to understand subqueries, and I thought I understood the issues I had before, but now I want to understand nested subqueries and now I am even more confused than I was.
 

I am trying to make an output like this:
 

Model                                Year
---------------------------  ------------
Grand Caravan                        2010
Q70                                  2015

 

The way I af trying to find these are through these descriptions: GPS, Heated Seats, and AWD.
 

Currently I am getting no rows selected.
 

My statement is as shown:
 

SELECT t1.MODELNAME AS Model, t2.VEHICLEYEAR AS Year
FROM TBLMODEL t1
FULL JOIN TBLVEHICLE t2 ON t1.MODELID = t2.MODELID
FULL JOIN TBLOPTIONDETAIL t3 ON t2.VEHICLEID = t3.VEHICLEID
FULL JOIN TBLOPTION t4 ON t3.OPTIONID = t4.OPTIONID
WHERE t4.OPTIONDESC IN
(
  SELECT OPTIONDESC
  FROM TBLOPTION
  WHERE OPTIONDESC = 'GPS' AND OPTIONDESC =
  (
    SELECT OPTIONDESC
    FROM TBLOPTION
    WHERE OPTIONDESC = 'Heated Seats'
  )
);

 

The file it corresponds to:
 

DROP TABLE  tblOptionDetail;
DROP TABLE  tblOption;
DROP TABLE  tblVehicle;
DROP TABLE  tblModel;
DROP TABLE  tblBrand;
DROP TABLE  tblManufacture;


CREATE TABLE tblManufacture
(
ManufactureID NUMBER(38) PRIMARY KEY,
ManufactureName CHAR(40)
);

CREATE TABLE tblBrand
(
BrandID NUMBER(38) PRIMARY KEY,
ManufactureID NUMBER(38),
BrandName CHAR(40),
FOREIGN KEY (ManufactureID) REFERENCES tblManufacture(ManufactureID)
);

CREATE TABLE tblModel
(
ModelID NUMBER(38) PRIMARY KEY,
BrandID NUMBER(38),
ModelName CHAR(40),
FOREIGN KEY (BrandID) REFERENCES tblBrand(BrandID)
);

CREATE TABLE tblVehicle
(
VehicleID NUMBER(38) PRIMARY KEY,
ModelID NUMBER(38),
VehicleYear NUMBER(38) CHECK (VehicleYear BETWEEN 1900 and 3000),
VehicleKM NUMBER(38) CHECK (VehicleKM BETWEEN 0 and 100000000),
VehiclePrice NUMBER(38) CONSTRAINT carprice CHECK (VehiclePrice BETWEEN 0 and 1000000),
FOREIGN KEY (ModelID) REFERENCES tblModel(ModelID)
);

CREATE TABLE tblOption
(
OptionID NUMBER(38) PRIMARY KEY,
OptionDesc CHAR(40)
);

CREATE TABLE tblOptionDetail
(
OptionID NUMBER(38),
VehicleID NUMBER(38),
PRIMARY KEY (OptionID, VehicleID),
FOREIGN KEY (OptionID) REFERENCES tblOption(OptionID),
FOREIGN KEY (VehicleID) REFERENCES tblVehicle(VehicleID)
);


-- populate the Manufacture table

INSERT ALL 
INTO tblManufacture (ManufactureID, ManufactureName) VALUES (1,'Chrysler Corp.')
INTO tblManufacture (ManufactureID, ManufactureName) VALUES(2,'General Motors')
INTO tblManufacture (ManufactureID, ManufactureName) VALUES(3,'Ford Motor Company')
INTO tblManufacture (ManufactureID, ManufactureName) VALUES(4,'Toyota')
INTO tblManufacture (ManufactureID, ManufactureName) VALUES (5,'Honda')
INTO tblManufacture (ManufactureID, ManufactureName) VALUES (6,'Nisan')
SELECT * FROM dual;

-- populate the Brand table

INSERT ALL
INTO tblBrand (BrandID, ManufactureID, BrandName) VALUES (1,1, 'Chrysler')
INTO tblBrand (BrandID, ManufactureID, BrandName) VALUES (2,1, 'Dodge')
INTO tblBrand (BrandID, ManufactureID, BrandName) VALUES (3,1, 'Jeep')
INTO tblBrand (BrandID, ManufactureID, BrandName) VALUES (4,2, 'Chevrolet')
INTO tblBrand (BrandID, ManufactureID, BrandName) VALUES (5,2, 'Buick')
INTO tblBrand (BrandID, ManufactureID, BrandName) VALUES (6,2, 'Cadillac')
INTO tblBrand (BrandID, ManufactureID, BrandName) VALUES (7,2, 'GMC')
INTO tblBrand (BrandID, ManufactureID, BrandName) VALUES (8,4, 'Toyota')
INTO tblBrand (BrandID, ManufactureID, BrandName) VALUES (9,6, 'Nissan')
INTO tblBrand (BrandID, ManufactureID, BrandName) VALUES (10,6,'Infiniti')
SELECT * FROM dual;

-- populate the Model table

INSERT ALL
INTO tblModel (ModelID, BrandID, ModelName) VALUES (1,1, '200')
INTO tblModel (ModelID, BrandID, ModelName) VALUES (2,1, '200 Convertible')
INTO tblModel (ModelID, BrandID, ModelName) VALUES (3,1, '300')
INTO tblModel (ModelID, BrandID, ModelName) VALUES (4,1, 'Town'||' & '||'Country')
INTO tblModel (ModelID, BrandID, ModelName) VALUES (5,2, 'Durango')
INTO tblModel (ModelID, BrandID, ModelName) VALUES (6,2, 'Avenger')
INTO tblModel (ModelID, BrandID, ModelName) VALUES (7,2, 'Challenger')
INTO tblModel (ModelID, BrandID, ModelName) VALUES (8,2, 'Charger')
INTO tblModel (ModelID, BrandID, ModelName) VALUES (9,2, 'Caliber')
INTO tblModel (ModelID, BrandID, ModelName) VALUES (10,2, 'Grand Caravan')
INTO tblModel (ModelID, BrandID, ModelName) VALUES (11,2, 'Journey')
INTO tblModel (ModelID, BrandID, ModelName) VALUES (12,4, 'Sonic')
INTO tblModel (ModelID, BrandID, ModelName) VALUES (13,4, 'Cruze')
INTO tblModel (ModelID, BrandID, ModelName) VALUES (14,4, 'Orlando')
INTO tblModel (ModelID, BrandID, ModelName) VALUES (15,4, 'Colorado')
INTO tblModel (ModelID, BrandID, ModelName) VALUES (16,4, 'Malibu')
INTO tblModel (ModelID, BrandID, ModelName) VALUES (17,8, '4Runner')
INTO tblModel (ModelID, BrandID, ModelName) VALUES (18,8, 'Prius')
INTO tblModel (ModelID, BrandID, ModelName) VALUES  (19,8, 'Camry')
INTO tblModel (ModelID, BrandID, ModelName) VALUES  (20,8, 'Corolla')
INTO tblModel (ModelID, BrandID, ModelName) VALUES (21,9,'Rogue SL')
INTO tblModel (ModelID, BrandID, ModelName) VALUES  (22,9, 'Versa Note')
INTO tblModel (ModelID, BrandID, ModelName) VALUES  (23,9, 'Pathfinder')
INTO tblModel (ModelID, BrandID, ModelName) VALUES  (24,9, 'Altima')
INTO tblModel (ModelID, BrandID, ModelName) VALUES (25,10, 'Q70')
INTO tblModel (ModelID, BrandID, ModelName) VALUES  (26,10, 'Q50')
INTO tblModel (ModelID, BrandID, ModelName) VALUES  (27,10, 'Q60')
INTO tblModel (ModelID, BrandID, ModelName) VALUES  (28,10, 'EX37')
SELECT * FROM dual;

-- populate Option table

INSERT ALL 
INTO tblOption (OptionID,OptionDesc) VALUES (1,'Power locks')
INTO tblOption (OptionID,OptionDesc) VALUES (2,'Power windows')
INTO tblOption (OptionID,OptionDesc) VALUES (3,'Air conditioning')
INTO tblOption (OptionID,OptionDesc) VALUES (4,'Heated mirrors')
INTO tblOption (OptionID,OptionDesc) VALUES (5,'Remote keyless entry')
INTO tblOption (OptionID,OptionDesc) VALUES (6,'CD Player')
INTO tblOption (OptionID,OptionDesc) VALUES (7,'GPS')
INTO tblOption (OptionID,OptionDesc) VALUES (8,'In-dash DVD player')
INTO tblOption (OptionID,OptionDesc) VALUES (9,'Overhead DVD player')
INTO tblOption (OptionID,OptionDesc) VALUES (10,'Satellite radio')
INTO tblOption (OptionID,OptionDesc) VALUES (11,'MP3 player')
INTO tblOption (OptionID,OptionDesc) VALUES (12,'Antilock braking system')
INTO tblOption (OptionID,OptionDesc) VALUES (13,'Electronic stability system')
INTO tblOption (OptionID,OptionDesc) VALUES (14,'Traction control')
INTO tblOption (OptionID,OptionDesc) VALUES (15,'Cruise control')
INTO tblOption (OptionID,OptionDesc) VALUES (16,'Intelligent cruise control')
INTO tblOption (OptionID,OptionDesc) VALUES (17,'Parking assist system')
INTO tblOption (OptionID,OptionDesc) VALUES (18,'Xenon headlights')
INTO tblOption (OptionID,OptionDesc) VALUES (19,'Aluminum rims')
INTO tblOption (OptionID,OptionDesc) VALUES (20,'AWD')
INTO tblOption (OptionID,OptionDesc) VALUES (21,'Convertable')
INTO tblOption (OptionID,OptionDesc) VALUES (22,'Heated Seats')
SELECT * FROM dual;

-- populate Vehicle table

INSERT ALL
INTO tblVehicle (VehicleID,ModelID, VehicleYear, VehicleKM, VehiclePrice) VALUES (1,10, 2010, 45000, 18000)
INTO tblVehicle (VehicleID,ModelID, VehicleYear, VehicleKM, VehiclePrice) VALUES (2,10, 2010, 65420, 17500)
INTO tblVehicle (VehicleID,ModelID, VehicleYear, VehicleKM, VehiclePrice) VALUES (3,16, 2004, 143900, 3200)
INTO tblVehicle (VehicleID,ModelID, VehicleYear, VehicleKM, VehiclePrice) VALUES (4,11, 2010, 38900, 14500)
INTO tblVehicle (VehicleID,ModelID, VehicleYear, VehicleKM, VehiclePrice) VALUES (5,27,2014,17250,45999)
INTO tblVehicle (VehicleID,ModelID, VehicleYear, VehicleKM, VehiclePrice) VALUES (6,25,2015,2900,62300)
INTO tblVehicle (VehicleID,ModelID, VehicleYear, VehicleKM, VehiclePrice) VALUES (7,17,2010,87900,19800)
SELECT * FROM dual;

-- populate OptionDetail table

INSERT ALL
INTO tblOptionDetail (OptionID, VehicleID) VALUES (2, 2)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (1, 2)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (3, 2)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (5, 2)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (6, 2)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (7, 2)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (8, 2)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (11, 2)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (12, 2)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (14, 2)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (15, 2)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (19, 2)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (2, 1)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (1, 1)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (3, 1)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (6, 1)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (12, 1)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (14, 1)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (15, 1)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (19, 1)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (2, 3)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (1, 3)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (3, 3)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (6, 3)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (12, 3)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (14, 3)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (15, 3)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (19, 3)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (2, 4)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (1, 4)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (3, 4)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (6, 4)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (11, 4)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (12, 4)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (14, 4)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (15, 4)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (19, 4)
INTO tblOptionDetail (OptionID, VehicleID) VALUES  (4,5)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (8,5)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (1,5)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (2,5)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (5,5)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (21,6)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (22,6)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (3,6)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (1,6)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (2,6)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (1,7)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (4,7)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (5,7)
INTO tblOptionDetail (OptionID, VehicleID) VALUES (2,7)
SELECT * FROM dual;

COMMIT;


原文：https://stackoverflow.com/questions/40139651
更新时间：2022-02-21 09:02

最满意答案

 请用这个.. 
 

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;

public class Logo extends Activity {
protected boolean _active = true;
protected int _splashTime = 2000;

/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.logo);

    Handler handler = new Handler();
    handler.postDelayed(new Runnable() {
        public void run() {
            finish();
            Intent i3 = new Intent(Logo.this, Home.class);
                startActivity(i3);
        }
    }, _splashTime);
}
}


Please use this.. 
 

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;

public class Logo extends Activity {
protected boolean _active = true;
protected int _splashTime = 2000;

/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.logo);

    Handler handler = new Handler();
    handler.postDelayed(new Runnable() {
        public void run() {
            finish();
            Intent i3 = new Intent(Logo.this, Home.class);
                startActivity(i3);
        }
    }, _splashTime);
}
}

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