使用SQL Server中的联接获取此输出时出现问题

我想显示这样的输出

+------------+--------------+---------------------+---------------+-----------+--------------+-----------+
| segment_id | segment_name | segment_description | tot_questions | tot_marks | marks_obtain | neg_marks |
+------------+--------------+---------------------+---------------+-----------+--------------+-----------+
| 10006      | MCQ SECTION  |                     | 5             | 20        |              | -.5       |
| 10007      | Non-MCQ      |                     | 5             | 20        |              | 0         |
+------------+--------------+---------------------+---------------+-----------+--------------+-----------+

这是我的表，将用于连接

MockTestMaster（使用列tot_标记）

模拟测试详细信息（段id、段名称、tot问题）

prd_模板_问题_类型（使用列neg_标记）

prd_templatesection（我可以使用此表，但在我的应用程序中，用户可以添加一个节，该节不会插入此表中，因为它将更改原始模板，因此我将该节插入MockTestDetails表中）

现在获取我的输出的问题是

prd\u模板\u问题类型

表的

marks\u if\u error

列

现在这里是如何获得负分数的交易：如果

prd\u模板部分的
sectiontype\u isMcq
为
true
，则在
prd\u模板问题类型的
列中抓取
分数

我尝试了以下查询：

SELECT DISTINCT 
    md.section_id AS segment_id,
    md.section_name AS segment_name,
    '' AS segment_description,
    md.total_section_question as tot_questions,
    total_Marks AS tot_marks,
    '' AS marks_obtain,
    '' AS neg_marks
    --prd_template_question_type.marks_if_wrong AS neg_marks
FROM
    dbo.MocktestDetails md
INNER JOIN 
    dbo.MockTestMaster mm ON mm.test_id = md.test_id 
INNER JOIN 
    prd_templatesection pts ON pts.template_id = mm.template_id
WHERE 
    mm.test_id = 1;

下面是一个
您可以使用以下代码

WITH cte_sales AS (
     SELECT DISTINCT md.section_id  AS segment_id,
            md.section_name         AS segment_name,
            ''                      AS segment_description,
            md.total_section_question AS tot_questions,
            total_Marks             AS tot_marks,
            ''                      AS marks_obtain,
            pts.template_id         AS template_id
            --prd_template_question_type.marks_if_wrong AS neg_marks
     FROM   dbo.MocktestDetails md
            INNER JOIN dbo.MockTestMaster mm
                 ON  mm.test_id = md.test_id
            INNER JOIN prd_templatesection pts
                 ON  pts.template_id = mm.template_id
     WHERE  mm.test_id = 1
 )

 SELECT segment_id,
        segment_name,
        segment_description,
        tot_questions,
        tot_marks,
        marks_obtain,
        COALESCE(
            (
                SELECT TOP 1 marks_if_wrong
                FROM   prd_template_question_type AS ptqt
                       JOIN prd_templatesection AS pt
                            ON  ptqt.template_id = pt.template_id
                WHERE  ptqt.template_id = cte.template_id
                       AND pt.section_id = cte.segment_id
            ),
            '0'
        )
 FROM   cte_sales AS cte

+-------------+-------------+----------------+----------------+
| template_id | is_mcq_type | is_nonmcq_type | marks_if_wrong |
+-------------+-------------+----------------+----------------+
| 1           | 1           | 0              | -0.5           |
| 1           | 0           | 1              | 0              |
+-------------+-------------+----------------+----------------+

+-------------+------------+--------------+------------------------+-------------------+
| template_id | section_id | section_name | total_section_question | sectiontype_isMcq |
+-------------+------------+--------------+------------------------+-------------------+
| 1           | 10006      | MCQ SECTION  | 5                      | true              |
| 1           | 10007      | Non-MCQ      | 5                      | false             |
+-------------+------------+--------------+------------------------+-------------------+

SELECT DISTINCT 
    md.section_id AS segment_id,
    md.section_name AS segment_name,
    '' AS segment_description,
    md.total_section_question as tot_questions,
    total_Marks AS tot_marks,
    '' AS marks_obtain,
    '' AS neg_marks
    --prd_template_question_type.marks_if_wrong AS neg_marks
FROM
    dbo.MocktestDetails md
INNER JOIN 
    dbo.MockTestMaster mm ON mm.test_id = md.test_id 
INNER JOIN 
    prd_templatesection pts ON pts.template_id = mm.template_id
WHERE 
    mm.test_id = 1;

WITH cte_sales AS (
     SELECT DISTINCT md.section_id  AS segment_id,
            md.section_name         AS segment_name,
            ''                      AS segment_description,
            md.total_section_question AS tot_questions,
            total_Marks             AS tot_marks,
            ''                      AS marks_obtain,
            pts.template_id         AS template_id
            --prd_template_question_type.marks_if_wrong AS neg_marks
     FROM   dbo.MocktestDetails md
            INNER JOIN dbo.MockTestMaster mm
                 ON  mm.test_id = md.test_id
            INNER JOIN prd_templatesection pts
                 ON  pts.template_id = mm.template_id
     WHERE  mm.test_id = 1
 )

 SELECT segment_id,
        segment_name,
        segment_description,
        tot_questions,
        tot_marks,
        marks_obtain,
        COALESCE(
            (
                SELECT TOP 1 marks_if_wrong
                FROM   prd_template_question_type AS ptqt
                       JOIN prd_templatesection AS pt
                            ON  ptqt.template_id = pt.template_id
                WHERE  ptqt.template_id = cte.template_id
                       AND pt.section_id = cte.segment_id
            ),
            '0'
        )
 FROM   cte_sales AS cte