29 lines
		
	
	
		
			735 B
		
	
	
	
		
			Markdown
		
	
	
	
	
	
		
		
			
		
	
	
			29 lines
		
	
	
		
			735 B
		
	
	
	
		
			Markdown
		
	
	
	
	
	
|   | --- | |||
|  | title: SQL Insert Query | |||
|  | localeTitle: SQL插入查询 | |||
|  | --- | |||
|  | ## SQL插入查询
 | |||
|  | 
 | |||
|  | 插入查询是一种将数据插入表格的方法。假设我们已经创建了一个表格 | |||
|  | 
 | |||
|  | `CREATE TABLE example_table ( name varchar(255), age int)` | |||
|  | 
 | |||
|  | **example\_table** | |||
|  | 
 | |||
|  | |名称|年龄| | --- | --- | | |||
|  | 
 | |||
|  | 现在要向此表添加一些数据,我们将以下列方式使用**INSERT** : | |||
|  | 
 | |||
|  | `INSERT INTO example_table (column1,column2) VALUES ("Andrew",23)` | |||
|  | 
 | |||
|  | **example\_table** | |||
|  | 
 | |||
|  | |名称|年龄| | --- | --- | |安德鲁| 23 | | |||
|  | 
 | |||
|  | 即使以下内容也可以使用,但指定哪些数据进入哪一列始终是一个好习惯。 | |||
|  | 
 | |||
|  | `INSERT INTO table_name VALUES ("John", 28)` | |||
|  | 
 | |||
|  | **example\_table** | |||
|  | 
 | |||
|  | |名称|年龄| | --- | --- | |安德鲁| 23 | |约翰| 28 | |