如何把以下 MySql 语句转换为 Oracle 语句？

国产星期八 2015-09-08 06:23:27

MySql 语句如下：

set SQL_STR :=CONCAT('SELECT COUNT(DISTINCT CALLERPHONE) into @T_VAR_DOWN_USERSTAT FROM ',USER_MONTH_TABLE ,' where DISCOVER_WAY =1');

     CALL EXECUTE_IMMEDIATE( SQL_STR );

     SET VAR_DOWN_USERSTAT=@T_VAR_DOWN_USERSTAT;

如何把上面 MySql 语句转换为 Oracle 语句？

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国产星期八 2017-02-24

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xu176032 2015-09-17

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引用 2 楼 xu176032 的回复:

SQL_STR :='SELECT COUNT(DISTINCT CALLERPHONE) into :a ' || USER_MONTH_TABLE || ' where DISCOVER_WAY =1';
      EXECUTE_IMMEDIATE SQL_STR USING VAR_DOWN_USERSTAT;
话说mysql不太熟，你试试吧 PS：看不上concat，能用||就用||，其实concat应该不用改的。


SQL_STR :='SELECT COUNT(DISTINCT CALLERPHONE) into :a ' || USER_MONTH_TABLE || ' where DISCOVER_WAY =1';
      EXECUTE IMMEDIATE SQL_STR USING VAR_DOWN_USERSTAT;

xu176032 2015-09-17

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SQL_STR :='SELECT COUNT(DISTINCT CALLERPHONE) into :a ' || USER_MONTH_TABLE || ' where DISCOVER_WAY =1';
      EXECUTE_IMMEDIATE SQL_STR USING VAR_DOWN_USERSTAT;

话说mysql不太熟，你试试吧 PS：看不上concat，能用||就用||，其实concat应该不用改的。