sqlserver的基本命令语句
时间: 2023-10-28 12:56:15 浏览: 41
以下是 SQL Server 常用的基本命令语句:
1. 创建数据库:CREATE DATABASE database_name;
2. 删除数据库:DROP DATABASE database_name;
3. 创建表:CREATE TABLE table_name (column1 datatype, column2 datatype, column3 datatype);
4. 删除表:DROP TABLE table_name;
5. 插入数据:INSERT INTO table_name (column1, column2, column3) VALUES (value1, value2, value3);
6. 更新数据:UPDATE table_name SET column1 = value1, column2 = value2 WHERE condition;
7. 删除数据:DELETE FROM table_name WHERE condition;
8. 查询数据:SELECT column1, column2 FROM table_name WHERE condition;
9. 排序:SELECT column1, column2 FROM table_name ORDER BY column1 ASC/DESC;
10. 分组:SELECT column1, COUNT(column2) FROM table_name GROUP BY column1;
11. 连接查询:SELECT column1, column2 FROM table1 INNER JOIN table2 ON table1.column = table2.column;
12. 子查询:SELECT column1 FROM table_name WHERE column2 = (SELECT MAX(column2) FROM table_name);
希望以上语句可以帮助到你。