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                            >[info]查詢語句

基本格式 SELECT [ALL | DISTINCT] * | 字段列表 FROM 表名1,表名2,……表名i,……表名n[ WHERE 條件表達式][ GROUP BY 字段名[ HAVING 條件表達式]][ ORDER BY 字段名 [ASC | DESC]] 

>[info]語句格式 

SELECT DISTINCT <字段名> FROM <表名>　 

>[info]SQL語句 

SELECT DISTINCT 學歷 FROM 人員信息表 
語句說明 查詢"人員信息表"表中檢索所有學歷名稱，唯一的不重復檢索。
在GSQL6.5.0.4綠色版下同.  

                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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