CREATE DATABASE test;
use test;
/*
CREATE TABLE TABLE4 (
STOCK varchar(20),
SYMBOL char(6),
SHARETYPE char(1),
TRADEDATE date,
PRICE decimal(10,2),
PROVINCE varchar(50)
);
INSERT INTO TABLE4 (STOCK, SYMBOL, SHARETYPE, PRICE, PROVINCE) VALUES ('平安银行', '000001', 'A', 69.97, '广东省');
INSERT INTO TABLE4 (STOCK, SYMBOL, SHARETYPE, PRICE, PROVINCE) VALUES('长安B', '200625', 'B', 7.11, '重庆市');
INSERT INTO TABLE4 (STOCK, SYMBOL, SHARETYPE, PRICE, PROVINCE) VALUES('比亚迪', '002594', 'A', 172.78, '广东省');
INSERT INTO TABLE4 (STOCK, SYMBOL, SHARETYPE, PRICE, PROVINCE) VALUES('东信B', '900941', 'B', 0.47, '浙江省');
INSERT INTO TABLE4 (STOCK, SYMBOL, SHARETYPE, PRICE, PROVINCE) VALUES('复星医药', '600196', 'A', 65.00, '上海市');
INSERT INTO TABLE4 (STOCK, SYMBOL, SHARETYPE, PRICE, PROVINCE) VALUES('ST景源', '000005', 'A', 1.82, '广东省');
INSERT INTO TABLE4 (STOCK, SYMBOL, SHARETYPE, PRICE, PROVINCE) VALUES('北京城乡', '600861', 'A', 14.38, '北京市');
INSERT INTO TABLE4 (STOCK, SYMBOL, SHARETYPE, PRICE, PROVINCE) VALUES('三环集团', '300408', 'A', 37.41, '广东省');
INSERT INTO TABLE4 (STOCK, SYMBOL, SHARETYPE, PRICE, PROVINCE) VALUES('万科A', '000002', 'A', 26.77, '广东省');
INSERT INTO TABLE4 (STOCK, SYMBOL, SHARETYPE, PRICE, PROVINCE) VALUES('南玻B', '200012', 'B', 3.58, '广东省');
SELECT * FROM TABLE4;
SELECT SYMBOL FROM TABLE4;
SELECT DISTINCT SHARETYPE FROM TABLE4;
SELECT STOCK,SYMBOL FROM TABLE4;
SELECT * FROM TABLE4;
SELECT * FROM TABLE4 WHERE SHARETYPE='A';
SELECT * FROM TABLE4 WHERE PRICE < 50;
SELECT * FROM TABLE4 WHERE SYMBOL LIKE '0%';
SELECT * FROM TABLE4 WHERE SYMBOL LIKE '%1';
SELECT * FROM TABLE4 WHERE SYMBOL LIKE '%9%';
SELECT * FROM TABLE4 WHERE SYMBOL NOT LIKE '%9%';
SELECT * FROM TABLE4 WHERE SHARETYPE='A' AND PROVINCE='广东省';
SELECT * FROM TABLE4 WHERE PRICE=7.11 OR SHARETYPE='B';
SELECT * FROM TABLE4 WHERE SHARETYPE='B' AND (PROVINCE='广东省' OR PROVINCE='浙江省');
SELECT * FROM TABLE4 WHERE SHARETYPE='A' AND PROVINCE='广东省';
SELECT * FROM TABLE4 WHERE PRICE NOT BETWEEN 0 AND 10;
*/
/*
SELECT * FROM TABLE4 ORDER BY SHARETYPE;
SELECT * FROM TABLE4 ORDER BY SHARETYPE,PRICE;
SELECT * FROM TABLE4 ORDER BY PRICE DESC;
SELECT * FROM TABLE4 ORDER BY SHARETYPE ASC,PRICE DESC
SELECT * FROM TABLE4;
SELECT SYMBOL FROM TABLE4;
SELECT STOCK,SYMBOL,PRICE FROM TABLE4 WHERE PRICE BETWEEN 30 AND 100 ORDER BY PRICE DESC;
*/
CREATE TABLE TABLE6 (
Stkcd CHAR(6),
Trddt DATE,
Opnprc DECIMAL(10, 2),
Clsprc DECIMAL(10, 2),
Dnshrtrd INT
);
INSERT INTO TABLE6 (Stkcd, Trddt, Opnprc, Clsprc, Dnshrtrd) VALUES
('603897', '2019-01-02', 23.01, 22.81, 2176373),
('603898', '2019-01-02', 15.33, 15.33, 352951),
('603899', '2019-01-02', 30.15, 28.86, 5435768),
('603900', '2019-01-02', 11.88, 11.82, 629531),
('603901', '2019-01-02', 6.59, 6.62, 968100),
('603903', '2019-01-02', 20.84, 20.15, 1865700),
('603906', '2019-01-02', 8.65, 8.63, 1106160),
('603908', '2019-01-02', 24.38, 24.51, 963600),
('603909', '2019-01-02', 25.52, 25.7, 1089096),
('603912', '2019-01-02', 13.32, 13.7, 4097856);
SELECT Dnshrtrd FROM TABLE6 WHERE Stkcd = '603903';
SELECT Stkcd, Opnprc FROM TABLE6;
SELECT Stkcd, Trddt FROM TABLE6 WHERE Clsprc BETWEEN 10 AND 20 ORDER BY Dnshrtrd DESC;