oraclesql过程中的动态透视
我从中得到了一个动态枢轴的解决方案。 现在,我想在oracle过程中实现以下语句oraclesql过程中的动态透视,sql,oracle,stored-procedures,oracle11g,pivot,Sql,Oracle,Stored Procedures,Oracle11g,Pivot,我从中得到了一个动态枢轴的解决方案。 现在,我想在oracle过程中实现以下语句 clear columns COLUMN temp_in_statement new_value str_in_statement SELECT DISTINCT LISTAGG('''' || myLetter || ''' AS ' || myLetter,',') WITHIN GROUP (ORDER BY myLetter) AS temp_in_statement FROM (SELECT
clear columns
COLUMN temp_in_statement new_value str_in_statement
SELECT DISTINCT
LISTAGG('''' || myLetter || ''' AS ' || myLetter,',')
WITHIN GROUP (ORDER BY myLetter) AS temp_in_statement
FROM (SELECT DISTINCT myLetter FROM myTable);
SELECT * FROM
(SELECT myNumber, myLetter, myValue FROM myTable)
PIVOT (Sum(myValue) AS val FOR myLetter IN (&str_in_statement));
提前感谢。如果您有一个表,希望在每次调用存储过程时插入数据透视结果,您可以使用以下方法:
CREATE OR REPLACE PROCEDURE dynamic_pivot
AS
v_sql LONG := NULL;
v_statement LONG := NULL;
BEGIN
SELECT DISTINCT LISTAGG(''''
|| myLetter
|| ''' AS '
|| myLetter,',') WITHIN GROUP (
ORDER BY myLetter) AS temp_in_statement
INTO v_statement
FROM
(SELECT DISTINCT myLetter FROM test_data
);
v_sql := 'insert into pivot_table
select * from (SELECT myNumber, myLetter, myValue FROM test_data
)
PIVOT
(
SUM(myValue) AS val FOR myLetter IN (' || v_statement || ')
)';
EXECUTE immediate v_sql;
END;
非常感谢你。。我已经成功地实现了这一点:)+1投票支持快速响应