navicat premium 使用语法
时间: 2023-08-26 14:07:16 浏览: 147
Navicat Premium 是一款数据库管理工具,支持多种数据库,包括 MySQL、MariaDB、Oracle、SQL Server 等。下面是一些 Navicat Premium 常用的 SQL 语法:
1. 创建表
```
CREATE TABLE table_name (
column1 datatype,
column2 datatype,
column3 datatype,
.....
);
```
2. 插入数据
```
INSERT INTO table_name (column1, column2, column3, ...)
VALUES (value1, value2, value3, ...);
```
3. 更新数据
```
UPDATE table_name
SET column1 = value1, column2 = value2, ...
WHERE condition;
```
4. 删除数据
```
DELETE FROM table_name WHERE condition;
```
5. 查询数据
```
SELECT column1, column2, ...
FROM table_name
WHERE condition
ORDER BY column1, column2, ... ASC/DESC;
```
6. 连接查询
```
SELECT column_name(s)
FROM table1
JOIN table2
ON table1.column_name = table2.column_name;
```
7. 子查询
```
SELECT column_name(s)
FROM table_name
WHERE column_name IN (SELECT column_name FROM table_name WHERE condition);
```
以上是 Navicat Premium 常用的 SQL 语法,可以帮助你更好地管理数据库。
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