Sql語句大全

以下是一些常見的 SQL 語句:

1. 創建資料庫:

```sql

CREATE DATABASE database_name;

```

2. 刪除資料庫:

```sql

DROP DATABASE database_name;

```

3. 創建表:

```sql

CREATE TABLE table_name (

column1 datatype,

column2 datatype,

column3 datatype,

...

);

```

4. 刪除表:

```sql

DROP TABLE table_name;

```

5. 插入數據:

```sql

INSERT INTO table_name (column1, column2, column3, ...)

VALUES (value1, value2, value3, ...);

```

6. 更新數據:

```sql

UPDATE table_name SET column1 = value1, column2 = value2, ... WHERE condition;

```

7. 查詢數據:

```sql

SELECT column1, column2, ... FROM table_name WHERE condition;

```

8. 篩選數據:

```sql

SELECT column1, column2, ... FROM table_name WHERE condition AND column3 = value;

```

9. 排序數據:

```sql

SELECT column1, column2, ... FROM table_name ORDER BY column1 ASC/DESC;

```

10. 過濾數據:

```sql

SELECT column1, column2, ... FROM table_name WHERE column3 IN (value1, value2, ...);

```

11. 連線表:

```sql

SELECT column1, column2, ... FROM table1 INNER JOIN table2 ON table1.column = table2.column;

```

這只是一些基本的 SQL 語句,SQL 語言非常豐富,還有許多其他功能和語句可以用於數據操作和查詢。

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