create table "tablename"
("column1" "data type",
"column2" "data type",
"column3" "data type");
如果你想使用可选的约束,创建表格的格式为:
create table "tablename"
("column1" "data type" [constraint],
"column2" "data type" [constraint],
"column3" "data type" [constraint]);
[ ] = optional
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);
https://www.111cn.net/database/110/04d96851b90175bfa77b79f7775ef743.htm
DeepSeek多模态怎么样及保姆级配置教程(codex、claude)实用指南
WSL2+Docker+Ollama本地部署大模型思路和实践指南(Qwen1.8b)实用指南
DeepSeek Harness热门插件盘点:10个实用插件,覆盖多Agent、上下文和多模态实用指南
grep文本搜索与正则表达式完整代码示例实用指南
AI漫剧伪装直男1‑24集无雾版夸克网盘资源免费分享
AI漫剧玉僧入尘1-68集无雾无删版夸克网盘资源免费分享