编辑代码

CREATE DATABASE test;
use test;
/*
CREATE TABLE TABLE1
(
STOCK  varchar(20),
SYMBOL char(6),
SHARETYPE  char(1),
TRADEDATE date,
PRICE  decimal(10,2)
);
INSERT INTO TABLE1(STOCK,SYMBOL,SHARETYPE,TRADEDATE,PRICE) VALUES ('平安银行','000001','A','2021-05-20',69.97);
INSERT INTO TABLE1(STOCK,SYMBOL,SHARETYPE,TRADEDATE,PRICE) VALUES ('长安B','200625','B','2021-05-20',7.11);
INSERT INTO TABLE1(STOCK,SYMBOL,SHARETYPE,TRADEDATE,PRICE) VALUES ('ST星源','000005','A','2021-05-20',1.82);

INSERT INTO TABLE1(STOCK,SHARETYPE)VALUES('比亚迪','A');
ALTER TABLE TABLE1 ADD (PROVINCE varchar(10));
UPDATE TABLE1 SET PRICE=70.2 WHERE STOCK='平安银行';
UPDATE TABLE1 SET PRICE=70.15,SYMBOL='000002' WHERE STOCK='平安银行';
DELETE FROM TABLE1 WHERE STOCK='平安银行';
DELETE FROM TABLE1;
/*
CREATE TABLE TABLE2(
    STOCK varchar(20),
    SYMBOL char(6),
    SHARETYPE char(1),
    TRADEDATE date,
    PRICE decimal(10, 2),  
    PROVINCE varchar(20));

INSERT INTO TABLE2(STOCK,SYMBOL,SHARETYPE,PRICE,PROVINCE) VALUES('ST星源','000005','A',1.82,'广东省');
INSERT INTO TABLE2(STOCK,SYMBOL,SHARETYPE,PRICE,PROVINCE) VALUES('北京城乡','600861','A',14.38,'北京市');
INSERT INTO TABLE2(STOCK,SYMBOL,SHARETYPE,PRICE,PROVINCE) VALUES('三环集团','300408','A',37.41,'广东省');
INSERT INTO TABLE2(STOCK,SYMBOL,SHARETYPE,PRICE,PROVINCE) VALUES('万科A','000002','A',26.77,'广东省');
INSERT INTO TABLE2(STOCK,SYMBOL,SHARETYPE,PRICE,PROVINCE) VALUES('南玻B','200012','B',3.58,'广东省');
UPDATE TABLE2 SET PRICE=16.25 WHERE STOCK='平安银行';
DELETE FROM TABLE2 WHERE STOCK='B';
DELETE FROM TABLE2 WHERE STOCK='平安银行';
INSERT INTO TABLE2(STOCK,SYMBOL,SHARETYPE,PRICE,PROVINCE)VALUES('平安银行','000001','A',16.25,'广东省');
*/
CREATE TABLE TABLE3
(
    Bankcd char(6),
    Shortbnm varchar(50),
    Stkcd char(6),
    Typrep char(1),
    Cash decimal(20,2)
);

INSERT INTO TABLE3(Bankcd,Shortbnm,Stkcd,Typrep,Cash)VALUES('000027','南京银行','601009','B',105220007000);
INSERT INTO TABLE3(Bankcd,Shortbnm,Stkcd,Typrep,Cash)VALUES('000027','南京银行','601009','C',93005245000);
INSERT INTO TABLE3(Bankcd,Shortbnm,Stkcd,Typrep,Cash)VALUES('000027','南京银行','601009','A',106225841000);
INSERT INTO TABLE3(Bankcd,Shortbnm,Stkcd,Typrep,Cash)VALUES('000084','贵阳银行','601997','D',44210220000);
ALTER TABLE TABLE3 ADD(SYMBOL char);
INSERT INTO TABLE3(Bankcd,Shortbnm,Stkcd,Typrep,Cash,SYMBOL)VALUES('000021','银行','601009','B',105220007000,'');