oracle列转行

纪钟都5029Oracle 列转行函数使用
璩映莉13454052503 ______ SELECT a.id, wm_concat (a.remark) new_result FROM tb_name a group by a.id

纪钟都5029oracle 行和列转换 -
璩映莉13454052503 ______ 如果你要做转换查询,真心劝你不要这么干,我的写法很麻烦,一张表不停的查询,逻辑读肯定搞得要死.如果是往下面这张表灌数,那么可以写循环,慢慢来一行对应一列,可以根据表的列和数据的对应关系往里面灌,这个相对简单些.我的...

纪钟都5029ORACLE SQL 列转行 按要求排列 -
璩映莉13454052503 ______ Declare v_id varchar2(20); v_str Varchar2(100); Cursor cur Is Select b From a; Begin Open cur; Loop Fetch cur Into v_id; Exit When cur%Notfound; v_str:=v_str||v_id; End Loop; dbms_output.put_line(v_str); Close cur; End;

纪钟都5029oracle 列转行
璩映莉13454052503 ______ select id newbh from A表 union all select bh newbh from A表

纪钟都5029ORACLE 动态列转行 -
璩映莉13454052503 ______ wm_concat(column) : 合并字段,在group by时将同组的某字段拼接展示. select INDEXDEF ,wm_concat(GRADECODE||',') from shopping group by INDEXDEF ; 举个例子: 例: table shopping id goods num 1 苹果 23 2 梨子 12 1 西瓜 2 select id,wm_concat(goods||'('||num||'斤)') from shopping group by id; 执行结果 1 苹果(23斤),西瓜(2斤) 2 梨子(12斤)

纪钟都5029oracle 10g 列转行 -
璩映莉13454052503 ______ 列转行就是用union,如果性能不好那就优化下中间表的查询,没别的办法

纪钟都5029oracle如何1行转多行 -
璩映莉13454052503 ______ 对你的问题我写了示例: Connected to Oracle9i Enterprise Edition Release 9.2.0.4.0 Connected as test SQL> SQL> drop table taba; Table dropped SQL> create table taba(c1 number,c2 number,c3 number); Table created SQL> insert into ...

纪钟都5029请教高级oracle 列转行 case 语句 -
璩映莉13454052503 ______ WITH t AS (SELECT 1 AS ID,'我' AS tempstr FROM dual UNION SELECT 1,'是' FROM dual UNION SELECT 1,'你' FROM dual UNION SELECT 2,'的' FROM dual UNION SELECT 2,'好' FROM dual UNION SELECT 3,'书' FROM dual) ...

纪钟都5029oracle的clob字段进行列转行 -
璩映莉13454052503 ______ 你认为varchar2能处理,把CLOB字段做个转换,中间加个过渡表,可以使用dbms_lob.substr函数.

纪钟都5029oracle 行转换为列 -
璩映莉13454052503 ______ insert into newtab select sum(date1),sum(date2),sum(date3),sum(date4) from ( select case date when date1 then value else 0 end date1 , case date when date2 then value else 0 end date2 , case date when date3 then value else 0 end date3 , case ...