//查詢名稱重複的數據
SELECT
id,
material_code,
material_name
FROM
t_material
WHERE
material_code IN (
SELECT
material_code
FROM
t_material
GROUP BY
material_code
HAVING
COUNT(material_code) > 1
AND material_code = '288'
);
//查詢名稱重複的數據
SELECT
id,
material_code,
material_name
FROM
t_material
WHERE
material_code IN (
SELECT
material_code
FROM
t_material
GROUP BY
material_code
HAVING
COUNT(material_code) > 1
AND material_code = '288'
);
五、操縱dataset 在DataSet中DataRow是其所有數據的基本存放位置,它主要是由一個值數組組成,代表DataTable單獨一行。 Da