如何将3个SQL查询合并到1中？_Sql_Oracle

如何将3个SQL查询合并到1中？

sql oracle

如何将3个SQL查询合并到1中？,sql,oracle,Sql,Oracle,我的产品存储在3个表以上，产品价格存储在3个表以上。目前，我运行每个SQL查询，然后在Microsoft Excel中手动将数据合并在一起，但是否可以合并这些查询，以便一次命中所有结果我曾考虑只使用3个子查询，但我不确定这是否是正确的方法 1.查询 2.查询 3.查询联合删除重复的行： SELECT kust_adr.KU_NAME AS "Customer Name", lzr_daten.LZR_BEZ AS "Product Name", lzr_przu.

我的产品存储在3个表以上，产品价格存储在3个表以上。目前，我运行每个SQL查询，然后在Microsoft Excel中手动将数据合并在一起，但是否可以合并这些查询，以便一次命中所有结果

我曾考虑只使用3个子查询，但我不确定这是否是正确的方法

1.查询 2.查询 3.查询

联合删除重复的行：

SELECT kust_adr.KU_NAME AS "Customer Name",
       lzr_daten.LZR_BEZ AS "Product Name",
       lzr_przu.LZR_PR AS "Price"
  FROM kust_adr, lzr_daten, lzr_przu
 WHERE     lzr_przu.LZR_KUNR = kust_adr.KU_NR
       AND lzr_daten.LZR_IDNR = lzr_przu.LZR_IDNR
       AND (lzr_daten.LZR_IDNR IN (85) AND kust_adr.KU_ADR_ART = 0)
UNION
SELECT kust_adr.KU_NAME AS "Customer Name",
       glas_daten_basis.GL_BEZ AS "Product Name",
       os_przu.ZUM2 AS "Price"
  FROM glas_daten_basis, kust_adr, os_przu
 WHERE os_przu.KUNR = kust_adr.KU_NR AND glas_daten_basis.IDNR = os_przu.IDNR
       AND (glas_daten_basis.IDNR IN (4, 104, 9, 109, 309, 311)
            AND kust_adr.KU_ADR_ART = 0)
UNION
SELECT kust_adr.KU_NAME AS "Customer Name",
       gas_daten.GAS_BEZ AS "Product Name",
       gas_przu.GAS_MIN_M2 AS "Price"
  FROM kust_adr, gas_daten, gas_przu
 WHERE     gas_przu.GAS_KUNR = kust_adr.KU_NR
       AND gas_daten.GAS_IDNR = gas_przu.GAS_IDNR
       AND (kust_adr.KU_ADR_ART = 0);

SELECT kust_adr.KU_NAME AS "Customer Name",
       lzr_daten.LZR_BEZ AS "Product Name",
       lzr_przu.LZR_PR AS "Price"
  FROM kust_adr, lzr_daten, lzr_przu
 WHERE     lzr_przu.LZR_KUNR = kust_adr.KU_NR
       AND lzr_daten.LZR_IDNR = lzr_przu.LZR_IDNR
       AND (lzr_daten.LZR_IDNR IN (85) AND kust_adr.KU_ADR_ART = 0)
UNION ALL
SELECT kust_adr.KU_NAME AS "Customer Name",
       glas_daten_basis.GL_BEZ AS "Product Name",
       os_przu.ZUM2 AS "Price"
  FROM glas_daten_basis, kust_adr, os_przu
 WHERE os_przu.KUNR = kust_adr.KU_NR AND glas_daten_basis.IDNR = os_przu.IDNR
       AND (glas_daten_basis.IDNR IN (4, 104, 9, 109, 309, 311)
            AND kust_adr.KU_ADR_ART = 0)
UNION ALL
SELECT kust_adr.KU_NAME AS "Customer Name",
       gas_daten.GAS_BEZ AS "Product Name",
       gas_przu.GAS_MIN_M2 AS "Price"
  FROM kust_adr, gas_daten, gas_przu
 WHERE     gas_przu.GAS_KUNR = kust_adr.KU_NR
       AND gas_daten.GAS_IDNR = gas_przu.GAS_IDNR
       AND (kust_adr.KU_ADR_ART = 0);

UNION ALL不会删除重复的行：

SELECT kust_adr.KU_NAME AS "Customer Name",
       lzr_daten.LZR_BEZ AS "Product Name",
       lzr_przu.LZR_PR AS "Price"
  FROM kust_adr, lzr_daten, lzr_przu
 WHERE     lzr_przu.LZR_KUNR = kust_adr.KU_NR
       AND lzr_daten.LZR_IDNR = lzr_przu.LZR_IDNR
       AND (lzr_daten.LZR_IDNR IN (85) AND kust_adr.KU_ADR_ART = 0)
UNION
SELECT kust_adr.KU_NAME AS "Customer Name",
       glas_daten_basis.GL_BEZ AS "Product Name",
       os_przu.ZUM2 AS "Price"
  FROM glas_daten_basis, kust_adr, os_przu
 WHERE os_przu.KUNR = kust_adr.KU_NR AND glas_daten_basis.IDNR = os_przu.IDNR
       AND (glas_daten_basis.IDNR IN (4, 104, 9, 109, 309, 311)
            AND kust_adr.KU_ADR_ART = 0)
UNION
SELECT kust_adr.KU_NAME AS "Customer Name",
       gas_daten.GAS_BEZ AS "Product Name",
       gas_przu.GAS_MIN_M2 AS "Price"
  FROM kust_adr, gas_daten, gas_przu
 WHERE     gas_przu.GAS_KUNR = kust_adr.KU_NR
       AND gas_daten.GAS_IDNR = gas_przu.GAS_IDNR
       AND (kust_adr.KU_ADR_ART = 0);

SELECT kust_adr.KU_NAME AS "Customer Name",
       lzr_daten.LZR_BEZ AS "Product Name",
       lzr_przu.LZR_PR AS "Price"
  FROM kust_adr, lzr_daten, lzr_przu
 WHERE     lzr_przu.LZR_KUNR = kust_adr.KU_NR
       AND lzr_daten.LZR_IDNR = lzr_przu.LZR_IDNR
       AND (lzr_daten.LZR_IDNR IN (85) AND kust_adr.KU_ADR_ART = 0)
UNION ALL
SELECT kust_adr.KU_NAME AS "Customer Name",
       glas_daten_basis.GL_BEZ AS "Product Name",
       os_przu.ZUM2 AS "Price"
  FROM glas_daten_basis, kust_adr, os_przu
 WHERE os_przu.KUNR = kust_adr.KU_NR AND glas_daten_basis.IDNR = os_przu.IDNR
       AND (glas_daten_basis.IDNR IN (4, 104, 9, 109, 309, 311)
            AND kust_adr.KU_ADR_ART = 0)
UNION ALL
SELECT kust_adr.KU_NAME AS "Customer Name",
       gas_daten.GAS_BEZ AS "Product Name",
       gas_przu.GAS_MIN_M2 AS "Price"
  FROM kust_adr, gas_daten, gas_przu
 WHERE     gas_przu.GAS_KUNR = kust_adr.KU_NR
       AND gas_daten.GAS_IDNR = gas_przu.GAS_IDNR
       AND (kust_adr.KU_ADR_ART = 0);

联合删除重复的行：

SELECT kust_adr.KU_NAME AS "Customer Name",
       lzr_daten.LZR_BEZ AS "Product Name",
       lzr_przu.LZR_PR AS "Price"
  FROM kust_adr, lzr_daten, lzr_przu
 WHERE     lzr_przu.LZR_KUNR = kust_adr.KU_NR
       AND lzr_daten.LZR_IDNR = lzr_przu.LZR_IDNR
       AND (lzr_daten.LZR_IDNR IN (85) AND kust_adr.KU_ADR_ART = 0)
UNION
SELECT kust_adr.KU_NAME AS "Customer Name",
       glas_daten_basis.GL_BEZ AS "Product Name",
       os_przu.ZUM2 AS "Price"
  FROM glas_daten_basis, kust_adr, os_przu
 WHERE os_przu.KUNR = kust_adr.KU_NR AND glas_daten_basis.IDNR = os_przu.IDNR
       AND (glas_daten_basis.IDNR IN (4, 104, 9, 109, 309, 311)
            AND kust_adr.KU_ADR_ART = 0)
UNION
SELECT kust_adr.KU_NAME AS "Customer Name",
       gas_daten.GAS_BEZ AS "Product Name",
       gas_przu.GAS_MIN_M2 AS "Price"
  FROM kust_adr, gas_daten, gas_przu
 WHERE     gas_przu.GAS_KUNR = kust_adr.KU_NR
       AND gas_daten.GAS_IDNR = gas_przu.GAS_IDNR
       AND (kust_adr.KU_ADR_ART = 0);

SELECT kust_adr.KU_NAME AS "Customer Name",
       lzr_daten.LZR_BEZ AS "Product Name",
       lzr_przu.LZR_PR AS "Price"
  FROM kust_adr, lzr_daten, lzr_przu
 WHERE     lzr_przu.LZR_KUNR = kust_adr.KU_NR
       AND lzr_daten.LZR_IDNR = lzr_przu.LZR_IDNR
       AND (lzr_daten.LZR_IDNR IN (85) AND kust_adr.KU_ADR_ART = 0)
UNION ALL
SELECT kust_adr.KU_NAME AS "Customer Name",
       glas_daten_basis.GL_BEZ AS "Product Name",
       os_przu.ZUM2 AS "Price"
  FROM glas_daten_basis, kust_adr, os_przu
 WHERE os_przu.KUNR = kust_adr.KU_NR AND glas_daten_basis.IDNR = os_przu.IDNR
       AND (glas_daten_basis.IDNR IN (4, 104, 9, 109, 309, 311)
            AND kust_adr.KU_ADR_ART = 0)
UNION ALL
SELECT kust_adr.KU_NAME AS "Customer Name",
       gas_daten.GAS_BEZ AS "Product Name",
       gas_przu.GAS_MIN_M2 AS "Price"
  FROM kust_adr, gas_daten, gas_przu
 WHERE     gas_przu.GAS_KUNR = kust_adr.KU_NR
       AND gas_daten.GAS_IDNR = gas_przu.GAS_IDNR
       AND (kust_adr.KU_ADR_ART = 0);

UNION ALL不会删除重复的行：

SELECT kust_adr.KU_NAME AS "Customer Name",
       lzr_daten.LZR_BEZ AS "Product Name",
       lzr_przu.LZR_PR AS "Price"
  FROM kust_adr, lzr_daten, lzr_przu
 WHERE     lzr_przu.LZR_KUNR = kust_adr.KU_NR
       AND lzr_daten.LZR_IDNR = lzr_przu.LZR_IDNR
       AND (lzr_daten.LZR_IDNR IN (85) AND kust_adr.KU_ADR_ART = 0)
UNION
SELECT kust_adr.KU_NAME AS "Customer Name",
       glas_daten_basis.GL_BEZ AS "Product Name",
       os_przu.ZUM2 AS "Price"
  FROM glas_daten_basis, kust_adr, os_przu
 WHERE os_przu.KUNR = kust_adr.KU_NR AND glas_daten_basis.IDNR = os_przu.IDNR
       AND (glas_daten_basis.IDNR IN (4, 104, 9, 109, 309, 311)
            AND kust_adr.KU_ADR_ART = 0)
UNION
SELECT kust_adr.KU_NAME AS "Customer Name",
       gas_daten.GAS_BEZ AS "Product Name",
       gas_przu.GAS_MIN_M2 AS "Price"
  FROM kust_adr, gas_daten, gas_przu
 WHERE     gas_przu.GAS_KUNR = kust_adr.KU_NR
       AND gas_daten.GAS_IDNR = gas_przu.GAS_IDNR
       AND (kust_adr.KU_ADR_ART = 0);

SELECT kust_adr.KU_NAME AS "Customer Name",
       lzr_daten.LZR_BEZ AS "Product Name",
       lzr_przu.LZR_PR AS "Price"
  FROM kust_adr, lzr_daten, lzr_przu
 WHERE     lzr_przu.LZR_KUNR = kust_adr.KU_NR
       AND lzr_daten.LZR_IDNR = lzr_przu.LZR_IDNR
       AND (lzr_daten.LZR_IDNR IN (85) AND kust_adr.KU_ADR_ART = 0)
UNION ALL
SELECT kust_adr.KU_NAME AS "Customer Name",
       glas_daten_basis.GL_BEZ AS "Product Name",
       os_przu.ZUM2 AS "Price"
  FROM glas_daten_basis, kust_adr, os_przu
 WHERE os_przu.KUNR = kust_adr.KU_NR AND glas_daten_basis.IDNR = os_przu.IDNR
       AND (glas_daten_basis.IDNR IN (4, 104, 9, 109, 309, 311)
            AND kust_adr.KU_ADR_ART = 0)
UNION ALL
SELECT kust_adr.KU_NAME AS "Customer Name",
       gas_daten.GAS_BEZ AS "Product Name",
       gas_przu.GAS_MIN_M2 AS "Price"
  FROM kust_adr, gas_daten, gas_przu
 WHERE     gas_przu.GAS_KUNR = kust_adr.KU_NR
       AND gas_daten.GAS_IDNR = gas_przu.GAS_IDNR
       AND (kust_adr.KU_ADR_ART = 0);

UNION ALL

将所有查询列合并在一起？如果所有三个查询列具有相同的数据类型，则您可以将所有查询列合并在一起。如果它们不属于相同的数据类型，则您可以对每个列添加字符（…），然后使用UNION或UNION ALL，具体取决于合并方式（无行或有重复行）。主持人注意：请不要破坏您的帖子。一旦您发布了一个问题，您就已经将内容授权给了Stack Overflow社区（在CC by SA许可下）。如果要解除此帖子与您的帐户的关联，请参阅

UNION ALL

将它们合并在一起？如果所有三个查询列都具有相同的数据类型，则可以将它们合并在一起。如果它们不具有相同的数据类型，则可以对每一列添加字符（…），然后使用UNION或UNION ALL，具体取决于合并方式（无重复行或有重复行）.版主注：请不要破坏您的帖子。一旦您发布了一个问题，您就已经将内容授权给了Stack Overflow社区（在CC by SA许可下）。如果您想解除此帖子与您帐户的关联，请参阅