SQL学习笔记二 创建表、插入数据的语句
编程学习 2021-07-05 13:42www.dzhlxh.cn编程入门
SQL学习笔记二 创建表、插入数据的语句,需要的朋友可以参考下。
创建一个表T_Employee并插入若干数据
create table T_Employee(FNumber VARCHAR(20),FName VARCHAR(20),FAge int,FSalary NUMERIC(10,2) ,PRIMARY KEY(FNumber));
insert into T_Employee(FNumber,FName,FAge,FSalary) values('DEV001','Tom',25,8300);
insert into T_Employee(FNumber,FName,FAge,FSalary) values('DEV002','Jerry',28,2300.80);
insert into T_Employee(FNumber,FName,FAge,FSalary) values('SALES001','John',23,5000);
insert into T_Employee(FNumber,FName,FAge,FSalary) values('SALES002','Kerry',28,6200);
insert into T_Employee(FNumber,FName,FAge,FSalary) values('SALES003','Stone',22,1200);
insert into T_Employee(FNumber,FName,FAge,FSalary) values('HR001','Jane',23,2200.88);
insert into T_Employee(FNumber,FName,FAge,FSalary) values('HR002','Tina',25,5200.36);
insert into T_Employee(FNumber,FName,FAge,FSalary) values('IT001','Smith',28,3900);
insert into T_Employee(FNumber,FAge,FSalary) values('IT002',27,2800);
大家可以查找下 create与insert命令的使用。
代码如下:
create table T_Employee(FNumber VARCHAR(20),FName VARCHAR(20),FAge int,FSalary NUMERIC(10,2) ,PRIMARY KEY(FNumber));
insert into T_Employee(FNumber,FName,FAge,FSalary) values('DEV001','Tom',25,8300);
insert into T_Employee(FNumber,FName,FAge,FSalary) values('DEV002','Jerry',28,2300.80);
insert into T_Employee(FNumber,FName,FAge,FSalary) values('SALES001','John',23,5000);
insert into T_Employee(FNumber,FName,FAge,FSalary) values('SALES002','Kerry',28,6200);
insert into T_Employee(FNumber,FName,FAge,FSalary) values('SALES003','Stone',22,1200);
insert into T_Employee(FNumber,FName,FAge,FSalary) values('HR001','Jane',23,2200.88);
insert into T_Employee(FNumber,FName,FAge,FSalary) values('HR002','Tina',25,5200.36);
insert into T_Employee(FNumber,FName,FAge,FSalary) values('IT001','Smith',28,3900);
insert into T_Employee(FNumber,FAge,FSalary) values('IT002',27,2800);
大家可以查找下 create与insert命令的使用。