小编use*_*292的帖子

我需要解开一个我无法控制列的表，所以我需要动态获取列名：这就是我所拥有的

CREATE TABLE test
(
 PK VARCHAR2(255 CHAR),
COL1                VARCHAR2(255 CHAR),
COL2              VARCHAR2(255 CHAR),
COL3            VARCHAR2(255 CHAR),
COL4              VARCHAR2(255 CHAR),
COL5             VARCHAR2(255 CHAR),
COL6            NUMBER,

)

    declare
      sql_stmt     clob;
      pivot_clause clob;
    begin
      select listagg('''' || column_name || ''' as "' || column_name || '"', ',') within group (order by column_name) 
      into   pivot_clause
    FROM USER_TAB_COLUMNS
    WHERE table_name = 'test');



      sql_stmt := 'SELECT PK,

    VarName,
    Valuer,
    Max(timestamp) over (Partition by PK) as timestamp,

    FROM   test
    UNPIVOT(Valuer FOR VarName IN (' || pivot_clause …