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                            # VAR



## Name

VAR?--?定義一個變量

## Synopsis

```
VAR _varname_ IS _ctype_
```



## 描述

`VAR`命令將新的C數據類型分配給宿主變量。 宿主變量必須預先在聲明段聲明。



## 參數

`_varname_`

C變量名字。

`_ctype_`

C類型說明。



## 例子

```
Exec sql begin declare section;
short a;
exec sql end declare section;
EXEC SQL VAR a IS int;
```



## 兼容性

`VAR`命令是PostgreSQL擴展。








                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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