SAS：如何在不返回结果的情况下编写Teradata查询传递？

Question

我想在SAS中编写一个传递查询，但我不想带回结果，我想将结果存储在Teradata中。

在Teradata的SQL我可以做

create table db.table2 as (select 
     column1, 
     column2, 
     count(*) as cnt 
    from 
     db.table1 
    group by 
     column1, column2 
    having cnt = 1) with data primary index(column1, column2) 
) 

在SAS有是返回一些成果转化为SAS传递查询的唯一例子。在这种情况下，我只想使用SAS在Teradata上创建一个表，而无需离开SAS接口（我可以在Teradata Studio Express中执行此操作），但它会打破工作流程。

如何在不返回结果的情况下做“传递”？下面似乎并不奏效。我想要做什么的权利？

PROC SQL; 
    CONNECT TO TERADATA(user="user" password="pw" server ="Teradata.something.somehwere"); 


    drop table teradata.sometable ; 

    DISCONNECT FROM TERADATA; 
QUIT; 

Answer 1

您需要EXEC声明：

PROC SQL; 
    CONNECT TO TERADATA(user="user" 
         password="pw" 
         server ="Teradata.something.somehwere"); 

    EXEC() BY TERADATA; 
    EXEC(Commit) BY TERADATA; /* this is needed if the above statement modifies the database in anyway) */ 

    drop table teradataserver.sometable ; 
    DISCONNECT FROM TERADATA; 
QUIT; 

你可以插入将在DB运行，并保持对DB结果的Teradata的SQL语句中的括号内。因此，在全：

PROC SQL; 
    CONNECT TO TERADATA(user="user" 
         password="pw" 
         server ="Teradata.something.somehwere"); 

    EXEC(
     create table db.table2 as 
     (
     select 
     column1, 
     column2, 
     count(*) as cnt 
     from 
     db.table1 
     group by 
     column1, column2 
     having cnt = 1 
     ) with data primary index(column1, column) 
    ) BY TERADATA; 

    DISCONNECT FROM TERADATA; 
QUIT; 

对于信息的BY部分指定该数据库来处理的声明，如果我们连接到不止一个DB SQL过程，例如内

PROC SQL; 
    CONNECT TO TERADATA AS T1 (...); 
    CONNECT TO TERADATA AS T2 (...); 
    EXEC(...) by T1; 
    EXEC(...) by T2; 
    DISCONNECT FROM T1; 
    DISCONNECT FROM T2; 
QUIT;